Build: https://jenkins.thetaphi.de/job/Lucene-Solr-8.x-Linux/230/
Java: 64bit/jdk-12-ea+shipilev-fastdebug -XX:-UseCompressedOops -XX:+UseG1GC

4 tests failed.
FAILED:  
junit.framework.TestSuite.org.apache.solr.client.solrj.impl.CloudSolrClientTest

Error Message:
ObjectTracker found 5 object(s) that were not released!!! 
[MockDirectoryWrapper, MockDirectoryWrapper, MockDirectoryWrapper, SolrCore, 
MockDirectoryWrapper] 
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
  at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:509)  
at org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:351) 
 at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:424) 
 at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1193)
  at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
  at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305) 
 at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
  at java.base/java.lang.Thread.run(Thread.java:835)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
  at org.apache.solr.update.SolrIndexWriter.create(SolrIndexWriter.java:95)  at 
org.apache.solr.core.SolrCore.initIndex(SolrCore.java:778)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:975)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:882)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1189)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1099)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:92)
  at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:360)
  at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:396)
  at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:188)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
  at java.base/java.lang.Thread.run(Thread.java:835)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
  at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:367)  at 
org.apache.solr.core.SolrCore.initIndex(SolrCore.java:746)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:975)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:882)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1189)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1099)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:92)
  at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:360)
  at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:396)
  at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:188)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
  at java.base/java.lang.Thread.run(Thread.java:835)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1062)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:882)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1189)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1099)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:92)
  at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:360)
  at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:396)
  at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:188)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
  at java.base/java.lang.Thread.run(Thread.java:835)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
  at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:516)  
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:967)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:882)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1189)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1099)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:92)
  at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:360)
  at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:396)
  at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:188)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
  at java.base/java.lang.Thread.run(Thread.java:835)   expected null, but 
was:<ObjectTracker found 5 object(s) that were not released!!! 
[MockDirectoryWrapper, MockDirectoryWrapper, MockDirectoryWrapper, SolrCore, 
MockDirectoryWrapper] 
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
  at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:509)  
at org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:351) 
 at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:424) 
 at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1193)
  at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
  at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305) 
 at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
  at java.base/java.lang.Thread.run(Thread.java:835)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
  at org.apache.solr.update.SolrIndexWriter.create(SolrIndexWriter.java:95)  at 
org.apache.solr.core.SolrCore.initIndex(SolrCore.java:778)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:975)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:882)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1189)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1099)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:92)
  at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:360)
  at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:396)
  at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:188)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
  at java.base/java.lang.Thread.run(Thread.java:835)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
  at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:367)  at 
org.apache.solr.core.SolrCore.initIndex(SolrCore.java:746)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:975)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:882)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1189)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1099)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:92)
  at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:360)
  at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:396)
  at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:188)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
  at java.base/java.lang.Thread.run(Thread.java:835)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1062)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:882)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1189)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1099)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:92)
  at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:360)
  at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:396)
  at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:188)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
  at java.base/java.lang.Thread.run(Thread.java:835)  
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper  at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
  at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
  at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:516)  
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:967)  at 
org.apache.solr.core.SolrCore.<init>(SolrCore.java:882)  at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1189)
  at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1099)  at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:92)
  at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:360)
  at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:396)
  at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:188)
  at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
  at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
  at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
  at java.base/java.lang.Thread.run(Thread.java:835)  >

Stack Trace:
java.lang.AssertionError: ObjectTracker found 5 object(s) that were not 
released!!! [MockDirectoryWrapper, MockDirectoryWrapper, MockDirectoryWrapper, 
SolrCore, MockDirectoryWrapper]
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:509)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:351)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:424)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1193)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:835)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
        at 
org.apache.solr.update.SolrIndexWriter.create(SolrIndexWriter.java:95)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:778)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:975)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:882)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1189)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1099)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:92)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:360)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:396)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:188)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:835)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
        at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:367)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:746)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:975)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:882)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1189)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1099)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:92)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:360)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:396)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:188)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:835)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1062)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:882)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1189)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1099)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:92)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:360)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:396)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:188)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:835)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:516)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:967)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:882)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1189)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1099)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:92)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:360)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:396)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:188)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:835)

 expected null, but was:<ObjectTracker found 5 object(s) that were not 
released!!! [MockDirectoryWrapper, MockDirectoryWrapper, MockDirectoryWrapper, 
SolrCore, MockDirectoryWrapper]
org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:509)
        at 
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:351)
        at 
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:424)
        at 
org.apache.solr.handler.ReplicationHandler.lambda$setupPolling$13(ReplicationHandler.java:1193)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at 
java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
        at 
java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:835)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
        at 
org.apache.solr.update.SolrIndexWriter.create(SolrIndexWriter.java:95)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:778)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:975)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:882)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1189)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1099)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:92)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:360)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:396)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:188)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:835)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
        at org.apache.solr.core.SolrCore.getNewIndexDir(SolrCore.java:367)
        at org.apache.solr.core.SolrCore.initIndex(SolrCore.java:746)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:975)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:882)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1189)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1099)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:92)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:360)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:396)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:188)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:835)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.solr.core.SolrCore
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:1062)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:882)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1189)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1099)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:92)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:360)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:396)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:188)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:835)

org.apache.solr.common.util.ObjectReleaseTracker$ObjectTrackerException: 
org.apache.lucene.store.MockDirectoryWrapper
        at 
org.apache.solr.common.util.ObjectReleaseTracker.track(ObjectReleaseTracker.java:42)
        at 
org.apache.solr.core.CachingDirectoryFactory.get(CachingDirectoryFactory.java:348)
        at 
org.apache.solr.core.SolrCore.initSnapshotMetaDataManager(SolrCore.java:516)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:967)
        at org.apache.solr.core.SolrCore.<init>(SolrCore.java:882)
        at 
org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1189)
        at org.apache.solr.core.CoreContainer.create(CoreContainer.java:1099)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$0(CoreAdminOperation.java:92)
        at 
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:360)
        at 
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:396)
        at 
org.apache.solr.handler.admin.CoreAdminHandler.lambda$handleRequestBody$0(CoreAdminHandler.java:188)
        at 
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
        at 
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:835)

>
        at __randomizedtesting.SeedInfo.seed([2D292C1B890CDDB]:0)
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.failNotNull(Assert.java:755)
        at org.junit.Assert.assertNull(Assert.java:737)
        at 
org.apache.solr.SolrTestCaseJ4.teardownTestCases(SolrTestCaseJ4.java:323)
        at jdk.internal.reflect.GeneratedMethodAccessor42.invoke(Unknown Source)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:567)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:901)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.base/java.lang.Thread.run(Thread.java:835)


FAILED:  org.apache.solr.TestDistributedGrouping.test

Error Message:
Error from server at http://127.0.0.1:37747/zc/collection1: Error from server 
at null: java.lang.NullPointerException  at 
org.apache.solr.handler.component.ResponseBuilder.setResult(ResponseBuilder.java:466)
  at 
org.apache.solr.handler.component.QueryComponent.doProcessGroupedDistributedSearchSecondPhase(QueryComponent.java:1369)
  at 
org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:362)
  at 
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:298)
  at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:199)
  at org.apache.solr.core.SolrCore.execute(SolrCore.java:2565)  at 
org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:711)  at 
org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:516)  at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:394)
  at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:340)
  at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
  at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:165)
  at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
  at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540) 
 at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
  at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
  at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
  at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)  
at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
  at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)  
at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:703)  
at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) 
 at org.eclipse.jetty.server.Server.handle(Server.java:502)  at 
org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364)  at 
org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:305)  at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)
  at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683) 
 at java.base/java.lang.Thread.run(Thread.java:835) 

Stack Trace:
org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error 
from server at http://127.0.0.1:37747/zc/collection1: Error from server at 
null: java.lang.NullPointerException
        at 
org.apache.solr.handler.component.ResponseBuilder.setResult(ResponseBuilder.java:466)
        at 
org.apache.solr.handler.component.QueryComponent.doProcessGroupedDistributedSearchSecondPhase(QueryComponent.java:1369)
        at 
org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:362)
        at 
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:298)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:199)
        at org.apache.solr.core.SolrCore.execute(SolrCore.java:2565)
        at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:711)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:516)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:394)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:340)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:165)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:703)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
        at org.eclipse.jetty.server.Server.handle(Server.java:502)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:305)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683)
        at java.base/java.lang.Thread.run(Thread.java:835)

        at 
__randomizedtesting.SeedInfo.seed([359E56C035C10AF2:BDCA691A9B3D670A]:0)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:649)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:255)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:244)
        at 
org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:207)
        at org.apache.solr.client.solrj.SolrClient.query(SolrClient.java:987)
        at org.apache.solr.client.solrj.SolrClient.query(SolrClient.java:1002)
        at 
org.apache.solr.BaseDistributedSearchTestCase.queryServer(BaseDistributedSearchTestCase.java:626)
        at 
org.apache.solr.TestDistributedGrouping.simpleQuery(TestDistributedGrouping.java:321)
        at 
org.apache.solr.TestDistributedGrouping.test(TestDistributedGrouping.java:309)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:567)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
        at 
org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsRepeatStatement.callStatement(BaseDistributedSearchTestCase.java:1108)
        at 
org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsStatement.evaluate(BaseDistributedSearchTestCase.java:1054)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.base/java.lang.Thread.run(Thread.java:835)


FAILED:  org.apache.solr.TestDistributedGrouping.test

Error Message:
Error from server at http://127.0.0.1:33957/zc/collection1: Error from server 
at null: java.lang.NullPointerException  at 
org.apache.solr.handler.component.ResponseBuilder.setResult(ResponseBuilder.java:466)
  at 
org.apache.solr.handler.component.QueryComponent.doProcessGroupedDistributedSearchSecondPhase(QueryComponent.java:1369)
  at 
org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:362)
  at 
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:298)
  at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:199)
  at org.apache.solr.core.SolrCore.execute(SolrCore.java:2565)  at 
org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:711)  at 
org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:516)  at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:394)
  at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:340)
  at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
  at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:165)
  at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
  at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540) 
 at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
  at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
  at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
  at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)  
at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
  at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
  at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)  
at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:703)  
at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) 
 at org.eclipse.jetty.server.Server.handle(Server.java:502)  at 
org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364)  at 
org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:305)  at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)
  at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683) 
 at java.base/java.lang.Thread.run(Thread.java:835) 

Stack Trace:
org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error 
from server at http://127.0.0.1:33957/zc/collection1: Error from server at 
null: java.lang.NullPointerException
        at 
org.apache.solr.handler.component.ResponseBuilder.setResult(ResponseBuilder.java:466)
        at 
org.apache.solr.handler.component.QueryComponent.doProcessGroupedDistributedSearchSecondPhase(QueryComponent.java:1369)
        at 
org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:362)
        at 
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:298)
        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:199)
        at org.apache.solr.core.SolrCore.execute(SolrCore.java:2565)
        at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:711)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:516)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:394)
        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:340)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:165)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:703)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
        at org.eclipse.jetty.server.Server.handle(Server.java:502)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364)
        at org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:305)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683)
        at java.base/java.lang.Thread.run(Thread.java:835)

        at 
__randomizedtesting.SeedInfo.seed([359E56C035C10AF2:BDCA691A9B3D670A]:0)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:649)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:255)
        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:244)
        at 
org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:207)
        at org.apache.solr.client.solrj.SolrClient.query(SolrClient.java:987)
        at org.apache.solr.client.solrj.SolrClient.query(SolrClient.java:1002)
        at 
org.apache.solr.BaseDistributedSearchTestCase.queryServer(BaseDistributedSearchTestCase.java:626)
        at 
org.apache.solr.TestDistributedGrouping.simpleQuery(TestDistributedGrouping.java:321)
        at 
org.apache.solr.TestDistributedGrouping.test(TestDistributedGrouping.java:309)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:567)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
        at 
org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsRepeatStatement.callStatement(BaseDistributedSearchTestCase.java:1108)
        at 
org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsStatement.evaluate(BaseDistributedSearchTestCase.java:1054)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.base/java.lang.Thread.run(Thread.java:835)


FAILED:  
org.apache.solr.cloud.autoscaling.sim.TestSimLargeCluster.testSearchRate

Error Message:
The trigger did not fire at all

Stack Trace:
java.lang.AssertionError: The trigger did not fire at all
        at 
__randomizedtesting.SeedInfo.seed([359E56C035C10AF2:68D64849FA07ACBD]:0)
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.assertTrue(Assert.java:41)
        at 
org.apache.solr.cloud.autoscaling.sim.TestSimLargeCluster.testSearchRate(TestSimLargeCluster.java:682)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:567)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule$1.evaluate(SystemPropertiesRestoreRule.java:57)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.base/java.lang.Thread.run(Thread.java:835)




Build Log:
[...truncated 14010 lines...]
   [junit4] Suite: org.apache.solr.TestDistributedGrouping
   [junit4]   2> 1573338 INFO  
(SUITE-TestDistributedGrouping-seed#[359E56C035C10AF2]-worker) [    ] 
o.a.s.SolrTestCaseJ4 SecureRandom sanity checks: 
test.solr.allowed.securerandom=null & java.security.egd=file:/dev/./urandom
   [junit4]   2> Creating dataDir: 
/home/jenkins/workspace/Lucene-Solr-8.x-Linux/solr/build/solr-core/test/J2/temp/solr.TestDistributedGrouping_359E56C035C10AF2-001/init-core-data-001
   [junit4]   2> 1573338 WARN  
(SUITE-TestDistributedGrouping-seed#[359E56C035C10AF2]-worker) [    ] 
o.a.s.SolrTestCaseJ4 startTrackingSearchers: numOpens=2 numCloses=2
   [junit4]   2> 1573339 INFO  
(SUITE-TestDistributedGrouping-seed#[359E56C035C10AF2]-worker) [    ] 
o.a.s.SolrTestCaseJ4 Using TrieFields (NUMERIC_POINTS_SYSPROP=false) 
w/NUMERIC_DOCVALUES_SYSPROP=false
   [junit4]   2> 1573340 INFO  
(SUITE-TestDistributedGrouping-seed#[359E56C035C10AF2]-worker) [    ] 
o.a.s.SolrTestCaseJ4 Randomized ssl (false) and clientAuth (false) via: 
@org.apache.solr.util.RandomizeSSL(reason="", ssl=0.0/0.0, value=0.0/0.0, 
clientAuth=0.0/0.0)
   [junit4]   2> 1573340 INFO  
(SUITE-TestDistributedGrouping-seed#[359E56C035C10AF2]-worker) [    ] 
o.a.s.BaseDistributedSearchTestCase Setting hostContext system property: /zc/
   [junit4]   2> 1573515 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.SolrTestCaseJ4 Writing core.properties file to 
/home/jenkins/workspace/Lucene-Solr-8.x-Linux/solr/build/solr-core/test/J2/temp/solr.TestDistributedGrouping_359E56C035C10AF2-001/tempDir-001/control/cores/collection1
   [junit4]   2> 1573516 WARN  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.e.j.s.AbstractConnector Ignoring deprecated socket close linger time
   [junit4]   2> 1573516 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.c.s.e.JettySolrRunner Start Jetty (original configured port=0)
   [junit4]   2> 1573516 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.c.s.e.JettySolrRunner Trying to start Jetty on port 0 try number 1 ...
   [junit4]   2> 1573516 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.e.j.s.Server jetty-9.4.14.v20181114; built: 2018-11-14T21:20:31.478Z; git: 
c4550056e785fb5665914545889f21dc136ad9e6; jvm 
12-testing+0-builds.shipilev.net-openjdk-jdk12-b109-20190215-jdk-1229
   [junit4]   2> 1573517 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.e.j.s.session DefaultSessionIdManager workerName=node0
   [junit4]   2> 1573517 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.e.j.s.session No SessionScavenger set, using defaults
   [junit4]   2> 1573517 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.e.j.s.session node0 Scavenging every 660000ms
   [junit4]   2> 1573519 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.e.j.s.h.ContextHandler Started 
o.e.j.s.ServletContextHandler@332d9ece{/zc,null,AVAILABLE}
   [junit4]   2> 1573551 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.e.j.s.AbstractConnector Started ServerConnector@42e975ef{HTTP/1.1,[http/1.1, 
h2c]}{127.0.0.1:۳۸۳۸۵}
   [junit4]   2> 1573551 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.e.j.s.Server Started @۱۵۷۳۶۴۹ms
   [junit4]   2> 1573551 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.c.s.e.JettySolrRunner Jetty properties: {hostContext=/zc, hostPort=38385, 
coreRootDirectory=/home/jenkins/workspace/Lucene-Solr-8.x-Linux/solr/build/solr-core/test/J2/temp/solr.TestDistributedGrouping_359E56C035C10AF2-001/tempDir-001/control/cores}
   [junit4]   2> 1573551 ERROR 
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.u.StartupLoggingUtils Missing Java Option solr.log.dir. Logging may be 
missing or incomplete.
   [junit4]   2> 1573551 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.s.SolrDispatchFilter Using logger factory 
org.apache.logging.slf4j.Log4jLoggerFactory
   [junit4]   2> 1573552 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.s.SolrDispatchFilter  ___      _       Welcome to Apache Solr™ version 
8.1.0
   [junit4]   2> 1573552 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.s.SolrDispatchFilter / __| ___| |_ _   Starting in standalone mode on 
port null
   [junit4]   2> 1573552 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.s.SolrDispatchFilter \__ \/ _ \ | '_|  Install dir: null
   [junit4]   2> 1573552 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.s.SolrDispatchFilter |___/\___/_|_|    Start time: 
2019-03-05T06:55:37.515142Z
   [junit4]   2> 1573552 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.c.SolrXmlConfig Loading container configuration from 
/home/jenkins/workspace/Lucene-Solr-8.x-Linux/solr/build/solr-core/test/J2/temp/solr.TestDistributedGrouping_359E56C035C10AF2-001/tempDir-001/control/solr.xml
   [junit4]   2> 1573630 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.c.SolrXmlConfig Configuration parameter autoReplicaFailoverWorkLoopDelay 
is ignored
   [junit4]   2> 1573630 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.c.SolrXmlConfig Configuration parameter 
autoReplicaFailoverBadNodeExpiration is ignored
   [junit4]   2> 1573632 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.c.SolrXmlConfig MBean server found: 
com.sun.jmx.mbeanserver.JmxMBeanServer@199877f8, but no JMX reporters were 
configured - adding default JMX reporter.
   [junit4]   2> 1573821 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.h.c.HttpShardHandlerFactory Host whitelist initialized: 
WhitelistHostChecker [whitelistHosts=null, whitelistHostCheckingEnabled=false]
   [junit4]   2> 1573822 WARN  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
SslContextFactory@20ef06c5[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1573846 WARN  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.e.j.u.s.S.config No Client EndPointIdentificationAlgorithm configured for 
SslContextFactory@1ee3e99a[provider=null,keyStore=null,trustStore=null]
   [junit4]   2> 1573880 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.c.TransientSolrCoreCacheDefault Allocating transient cache for 4 
transient cores
   [junit4]   2> 1573880 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.h.a.MetricsHistoryHandler No .system collection, keeping metrics history 
in memory.
   [junit4]   2> 1573925 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.m.r.SolrJmxReporter JMX monitoring for 'solr.node' (registry 'solr.node') 
enabled at server: com.sun.jmx.mbeanserver.JmxMBeanServer@199877f8
   [junit4]   2> 1573960 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.m.r.SolrJmxReporter JMX monitoring for 'solr.jvm' (registry 'solr.jvm') 
enabled at server: com.sun.jmx.mbeanserver.JmxMBeanServer@199877f8
   [junit4]   2> 1573962 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.m.r.SolrJmxReporter JMX monitoring for 'solr.jetty' (registry 
'solr.jetty') enabled at server: com.sun.jmx.mbeanserver.JmxMBeanServer@199877f8
   [junit4]   2> 1573965 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.c.CorePropertiesLocator Found 1 core definitions underneath 
/home/jenkins/workspace/Lucene-Solr-8.x-Linux/solr/build/solr-core/test/J2/temp/solr.TestDistributedGrouping_359E56C035C10AF2-001/tempDir-001/control/cores
   [junit4]   2> 1573965 INFO  
(TEST-TestDistributedGrouping.test-seed#[359E56C035C10AF2]) [    ] 
o.a.s.c.CorePropertiesLocator Cores are: [collection1]
   [junit4]   2> 1573971 INFO  (coreLoadExecutor-5217-thread-1) [    
x:collection1] o.a.s.c.SolrResourceLoader [null] Added 2 libs to classloader, 
from paths: 
[/home/jenkins/workspace/Lucene-Solr-8.x-Linux/solr/core/src/test-files/solr/collection1/lib,
 
/home/jenkins/workspace/Lucene-Solr-8.x-Linux/solr/core/src/test-files/solr/collection1/lib/classes]
   [junit4]   2> 1574032 INFO  (coreLoadExecutor-5217-thread-1) [    
x:collection1] o.a.s.c.SolrConfig Using Lucene MatchVersion: 8.1.0
   [junit4]   2> 1574105 INFO  (coreLoadExecutor-5217-thread-1) [    
x:collection1] o.a.s.s.IndexSchema [collection1] Schema name=test
   [junit4]   2> 1574475 INFO  (coreLoadExecutor-5217-thread-1) [    
x:collection1] o.a.s.s.IndexSchema Loaded schema test/1.0 with uniqueid field id
   [junit4]   2> 1574555 INFO  (coreLoadExecutor-5217-thread-1) [    
x:collection1] o.a.s.c.CoreContainer Creating SolrCore 'collection1' using 
configuration from configset 
/home/jenkins/workspace/Lucene-Solr-8.x-Linux/solr/core/src/test-files/solr/collection1,
 trusted=true
   [junit4]   2> 1574555 INFO  (coreLoadExecutor-5217-thread-1) [    
x:collection1] o.a.s.m.r.SolrJmxReporter JMX monitoring for 
'solr.core.collection1' (registry 'solr.core.collection1') enabled at server: 
com.sun.jmx.mbeanserver.JmxMBeanServer@199877f8
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 0 2
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o.a.s.c.S.Request [collection1]  webapp=/zc path=/select 
params={q=*:*&distrib=false&fl=id,a_i1&group.limit=-1&sort=a_i1+asc,+id+asc&rows=100&wt=javabin&version=2&group.field=a_i1&group=true}
 hits=0 status=0 QTime=0
   [junit4]   2> 1578013 INFO  (qtp1492990980-15091) [    x:collection1] 
o.a.s.c.S.Request [collection1]  webapp=/zc path=/select 
params={df=text&group.distributed.first=true&distrib=false&fl=id&group.limit=-1&shards.purpose=2048&start=0&sort=a_i1+asc,+id+asc&shard.url=http://127.0.0.1:33957/zc/collection1&rows=100&version=2&q=*:*&NOW=1551768941942&isShard=true&wt=javabin&group.field=a_i1&group=true}
 status=0 QTime=0
   [junit4]   2> 1578014 INFO  (qtp1492990980-15090) [    x:collection1] 
o.a.s.c.S.Request [collection1]  webapp=/zc path=/select 
params={q=*:*&shards=http://127.0.0.1:33957/zc/collection1&fl=id,a_i1&group.limit=-1&sort=a_i1+asc,+id+asc&rows=100&wt=javabin&version=2&group.field=a_i1&group=true}
 status=0 QTime=35
   [junit4]   2> 1578015 INFO  (qtp1259688681-15070) [    x:collection1] 
o.a.s.c.S.Request [collection1]  webapp=/zc path=/select 
params={q=*:*&distrib=false&hl=true&fl=id,a_i1&group.limit=-1&sort=a_i1+asc,+id+asc&hl.fl=a_t&rows=100&wt=javabin&version=2&group.field=a_i1&group=true}
 hits=0 status=0 QTime=0
   [junit4]   2> 1578017 INFO  (qtp1492990980-15091) [    x:collection1] 
o.a.s.c.S.Request [collection1]  webapp=/zc path=/select 
params={df=text&group.distributed.first=true&distrib=false&hl=false&fl=id&group.limit=-1&shards.purpose=2048&start=0&sort=a_i1+asc,+id+asc&shard.url=http://127.0.0.1:33957/zc/collection1|[ff01::114]:33332/zc|[ff01::213]:33332/zc|[ff01::083]:33332/zc&rows=100&version=2&q=*:*&NOW=1551768941978&isShard=true&hl.fl=a_t&wt=javabin&group.field=a_i1&group=true}
 status=0 QTime=0
   [junit4]   2> 1578018 INFO  (qtp1492990980-15092) [    x:collection1] 
o.a.s.c.S.Request [collection1]  webapp=/zc path=/select 
params={q=*:*&shards=http://127.0.0.1:33957/zc/collection1|[ff01::114]:33332/zc|[ff01::213]:33332/zc|[ff01::083]:33332/zc&hl=true&fl=id,a_i1&group.limit=-1&sort=a_i1+asc,+id+asc&hl.fl=a_t&rows=100&wt=javabin&version=2&group.field=a_i1&group=true}
 status=0 QTime=3
   [junit4]   2> 1578019 INFO  (qtp1259688681-15071) [    x:collection1] 
o.a.s.c.S.Request [collection1]  webapp=/zc path=/select 
params={q=*:*&facet.field=a_t&distrib=false&fl=id,a_i1&group.limit=-1&sort=a_i1+asc,+id+asc&rows=100&facet=true&wt=javabin&version=2&group.field=a_i1&group=true}
 hits=0 status=0 QTime=0
   [junit4]   2> 1578027 INFO  (qtp1492990980-15091) [    x:collection1] 
o.a.s.c.S.Request [collection1]  webapp=/zc path=/select 
params={facet.field=a_t&df=text&group.distributed.first=true&distrib=false&fl=id&group.limit=-1&shards.purpose=2048&start=0&sort=a_i1+asc,+id+asc&shard.url=[ff01::083]:33332/zc|[ff01::213]:33332/zc|http://127.0.0.1:33957/zc/collection1|[ff01::114]:33332/zc&rows=100&version=2&q=*:*&NOW=1551768941983&isShard=true&facet=false&wt=javabin&group.field=a_i1&group=true}
 status=0 QTime=0
   [junit4]   2> 1578029 INFO  (qtp1492990980-15092) [    x:collection1] 
o.a.s.c.S.Request [collection1]  webapp=/zc path=/select 
params={facet.field=a_t&df=text&distrib=false&fl=id&group.limit=-1&shards.purpose=20&start=0&f.a_t.facet.mincount=0&sort=a_i1+asc,+id+asc&shard.url=[ff01::083]:33332/zc|[ff01::213]:33332/zc|http://127.0.0.1:33957/zc/collection1|[ff01::114]:33332/zc&rows=100&version=2&group.distributed.second=true&q=*:*&f.a_t.facet.limit=160&NOW=1551768941983&isShard=true&facet=true&wt=javabin&group.field=a_i1&group=true}
 status=0 QTime=0
   [junit4]   2> 15780

[...truncated too long message...]

tty, service url = null, agent id = null] for registry solr.jetty / 
com.codahale.metrics.MetricRegistry@384b1d6b
   [junit4]   2> 48367 INFO  (closeThreadPool-13-thread-4) [    ] 
o.a.s.m.SolrMetricManager Closing metric reporters for registry=solr.jetty, 
tag=null
   [junit4]   2> 48369 INFO  (closeThreadPool-13-thread-4) [    ] 
o.a.s.m.r.SolrJmxReporter Closing reporter 
[org.apache.solr.metrics.reporters.SolrJmxReporter@7a3365fe: rootName = null, 
domain = solr.jetty, service url = null, agent id = null] for registry 
solr.jetty / com.codahale.metrics.MetricRegistry@384b1d6b
   [junit4]   2> 48503 INFO  (closeThreadPool-13-thread-2) [    ] 
o.e.j.s.AbstractConnector Stopped ServerConnector@5020da78{HTTP/1.1,[http/1.1, 
h2c]}{127.0.0.1:۰}
   [junit4]   2> 48528 INFO  (closeThreadPool-13-thread-2) [    ] 
o.e.j.s.h.ContextHandler Stopped 
o.e.j.s.ServletContextHandler@14fabe5d{/zc,null,UNAVAILABLE}
   [junit4]   2> 48552 INFO  (closeThreadPool-13-thread-2) [    ] 
o.e.j.s.session node0 Stopped scavenging
   [junit4]   2> 48581 INFO  (closeThreadPool-13-thread-4) [    ] 
o.e.j.s.AbstractConnector Stopped ServerConnector@4714db56{HTTP/1.1,[http/1.1, 
h2c]}{127.0.0.1:۰}
   [junit4]   2> 48581 INFO  (closeThreadPool-13-thread-4) [    ] 
o.e.j.s.h.ContextHandler Stopped 
o.e.j.s.ServletContextHandler@3324a200{/zc,null,UNAVAILABLE}
   [junit4]   2> 48581 INFO  (closeThreadPool-13-thread-4) [    ] 
o.e.j.s.session node0 Stopped scavenging
   [junit4]   2> NOTE: reproduce with: ant test  
-Dtestcase=TestDistributedGrouping -Dtests.method=test 
-Dtests.seed=359E56C035C10AF2 -Dtests.multiplier=3 -Dtests.slow=true 
-Dtests.badapples=true -Dtests.locale=lrc -Dtests.timezone=Pacific/Guadalcanal 
-Dtests.asserts=true -Dtests.file.encoding=UTF-8
   [junit4] ERROR   40.5s J0 | TestDistributedGrouping.test <<<
   [junit4]    > Throwable #1: 
org.apache.solr.client.solrj.impl.HttpSolrClient$RemoteSolrException: Error 
from server at http://127.0.0.1:37747/zc/collection1: Error from server at 
null: java.lang.NullPointerException
   [junit4]    >        at 
org.apache.solr.handler.component.ResponseBuilder.setResult(ResponseBuilder.java:466)
   [junit4]    >        at 
org.apache.solr.handler.component.QueryComponent.doProcessGroupedDistributedSearchSecondPhase(QueryComponent.java:1369)
   [junit4]    >        at 
org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:362)
   [junit4]    >        at 
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:298)
   [junit4]    >        at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:199)
   [junit4]    >        at 
org.apache.solr.core.SolrCore.execute(SolrCore.java:2565)
   [junit4]    >        at 
org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:711)
   [junit4]    >        at 
org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:516)
   [junit4]    >        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:394)
   [junit4]    >        at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:340)
   [junit4]    >        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
   [junit4]    >        at 
org.apache.solr.client.solrj.embedded.JettySolrRunner$DebugFilter.doFilter(JettySolrRunner.java:165)
   [junit4]    >        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
   [junit4]    >        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
   [junit4]    >        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
   [junit4]    >        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
   [junit4]    >        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:703)
   [junit4]    >        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
   [junit4]    >        at 
org.eclipse.jetty.server.Server.handle(Server.java:502)
   [junit4]    >        at 
org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364)
   [junit4]    >        at 
org.eclipse.jetty.server.HttpChannel.run(HttpChannel.java:305)
   [junit4]    >        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)
   [junit4]    >        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683)
   [junit4]    >        at java.base/java.lang.Thread.run(Thread.java:835)
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([359E56C035C10AF2:BDCA691A9B3D670A]:0)
   [junit4]    >        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:649)
   [junit4]    >        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:255)
   [junit4]    >        at 
org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:244)
   [junit4]    >        at 
org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:207)
   [junit4]    >        at 
org.apache.solr.client.solrj.SolrClient.query(SolrClient.java:987)
   [junit4]    >        at 
org.apache.solr.client.solrj.SolrClient.query(SolrClient.java:1002)
   [junit4]    >        at 
org.apache.solr.BaseDistributedSearchTestCase.queryServer(BaseDistributedSearchTestCase.java:626)
   [junit4]    >        at 
org.apache.solr.TestDistributedGrouping.simpleQuery(TestDistributedGrouping.java:321)
   [junit4]    >        at 
org.apache.solr.TestDistributedGrouping.test(TestDistributedGrouping.java:309)
   [junit4]    >        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   [junit4]    >        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   [junit4]    >        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   [junit4]    >        at 
java.base/java.lang.reflect.Method.invoke(Method.java:567)
   [junit4]    >        at 
org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsRepeatStatement.callStatement(BaseDistributedSearchTestCase.java:1108)
   [junit4]    >        at 
org.apache.solr.BaseDistributedSearchTestCase$ShardsRepeatRule$ShardsStatement.evaluate(BaseDistributedSearchTestCase.java:1054)
   [junit4]    >        at java.base/java.lang.Thread.run(Thread.java:835)
   [junit4]   2> NOTE: leaving temporary files on disk at: 
/home/jenkins/workspace/Lucene-Solr-8.x-Linux/solr/build/solr-core/test/J0/temp/solr.TestDistributedGrouping_359E56C035C10AF2-001
   [junit4]   2> NOTE: test params are: codec=CheapBastard, 
sim=Asserting(org.apache.lucene.search.similarities.AssertingSimilarity@29d12781),
 locale=lrc, timezone=Pacific/Guadalcanal
   [junit4]   2> NOTE: Linux 4.18.0-15-generic amd64/Aleksey Shipilev 
12-testing (64-bit)/cpus=8,threads=3,free=35762488,total=186646528
   [junit4]   2> NOTE: All tests run in this JVM: [TestDistributedGrouping]
   [junit4] Completed [3/10 (3!)] on J0 in 46.45s, 1 test, 1 error <<< FAILURES!

[...truncated 61 lines...]
BUILD FAILED
/home/jenkins/workspace/Lucene-Solr-8.x-Linux/lucene/common-build.xml:1572: The 
following error occurred while executing this line:
/home/jenkins/workspace/Lucene-Solr-8.x-Linux/lucene/common-build.xml:1099: 
There were test failures: 10 suites, 25 tests, 3 errors, 5 ignored (5 
assumptions) [seed: 359E56C035C10AF2]

Total time: 2 minutes 5 seconds

[repro] Setting last failure code to 256

[repro] Failures:
[repro]   0/5 failed: org.apache.solr.client.solrj.impl.CloudSolrClientTest
[repro]   0/5 failed: org.apache.solr.cloud.autoscaling.sim.TestSimLargeCluster
[repro]   3/5 failed: org.apache.solr.TestDistributedGrouping
[repro] Exiting with code 256
+ mv lucene/build lucene/build.repro
+ mv solr/build solr/build.repro
+ mv lucene/build.orig lucene/build
+ mv solr/build.orig solr/build
Archiving artifacts
Setting 
ANT_1_8_2_HOME=/home/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
[WARNINGS] Parsing warnings in console log with parser Java Compiler (javac)
Setting 
ANT_1_8_2_HOME=/home/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
No credentials specified
Setting 
ANT_1_8_2_HOME=/home/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
<Git Blamer> Using GitBlamer to create author and commit information for all 
warnings.
<Git Blamer> GIT_COMMIT=30f7562eb43785a8117988227a249677d4c96af6, 
workspace=/home/jenkins/workspace/Lucene-Solr-8.x-Linux
[WARNINGS] Computing warning deltas based on reference build #228
Recording test results
Setting 
ANT_1_8_2_HOME=/home/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
Build step 'Publish JUnit test result report' changed build result to UNSTABLE
Email was triggered for: Unstable (Test Failures)
Sending email for trigger: Unstable (Test Failures)
Setting 
ANT_1_8_2_HOME=/home/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
Setting 
ANT_1_8_2_HOME=/home/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
Setting 
ANT_1_8_2_HOME=/home/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
Setting 
ANT_1_8_2_HOME=/home/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
Setting 
ANT_1_8_2_HOME=/home/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
Setting 
ANT_1_8_2_HOME=/home/jenkins/tools/hudson.tasks.Ant_AntInstallation/ANT_1.8.2
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