Hi allAfter updating one of our Solrcloud instances to 9.7.0, the according replicas are unable to recover after service startup.
The following exception is logged repeatedly:
2024-09-18 09:36:31.238 ERROR (recoveryExecutor-12-thread-1-processing-fts06.host.internal:8983_solr dovecot_fts_shard5_replica_n61 dovecot_fts shard5 core_node62) [c:dovecot_fts s:shard5 r:core_node62 x:dovecot_fts_shard5_replica_n61 t:] o.a.s.c.RecoveryStrategy Error while trying to recover. core=dovecot_fts_shard5_replica_n61 => java.lang.NullPointerException: Cannot invoke "org.apache.solr.client.solrj.impl.AuthenticationStoreHolder.updateAuthenticationStore(org.eclipse.jetty.client.api.AuthenticationStore)" because "this.authenticationStore" is null at org.apache.solr.client.solrj.impl.Http2SolrClient.setAuthenticationStore(Http2SolrClient.java:318) java.lang.NullPointerException: Cannot invoke "org.apache.solr.client.solrj.impl.AuthenticationStoreHolder.updateAuthenticationStore(org.eclipse.jetty.client.api.AuthenticationStore)" because "this.authenticationStore" is null at org.apache.solr.client.solrj.impl.Http2SolrClient.setAuthenticationStore(Http2SolrClient.java:318) ~[solr-solrj-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum - 2024-09-03 15:05:20] at org.apache.solr.client.solrj.impl.PreemptiveBasicAuthClientBuilderFactory.setup(PreemptiveBasicAuthClientBuilderFactory.java:97) ~[solr-solrj-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum - 2024-09-03 15:05:20] at org.apache.solr.client.solrj.impl.PreemptiveBasicAuthClientBuilderFactory.setup(PreemptiveBasicAuthClientBuilderFactory.java:85) ~[solr-solrj-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum - 2024-09-03 15:05:20] at org.apache.solr.client.solrj.impl.Http2SolrClient$Builder.httpClientBuilderSetup(Http2SolrClient.java:1093) ~[solr-solrj-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum - 2024-09-03 15:05:20] at org.apache.solr.client.solrj.impl.Http2SolrClient$Builder.build(Http2SolrClient.java:1062) ~[solr-solrj-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum - 2024-09-03 15:05:20] at org.apache.solr.cloud.RecoveryStrategy.sendPrepRecoveryCmd(RecoveryStrategy.java:907) ~[solr-core-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum - 2024-09-03 15:05:20] at org.apache.solr.cloud.RecoveryStrategy.doSyncOrReplicateRecovery(RecoveryStrategy.java:633) ~[solr-core-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum - 2024-09-03 15:05:20] at org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:333) ~[solr-core-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum - 2024-09-03 15:05:20] at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:309) ~[solr-core-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum - 2024-09-03 15:05:20] at com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:212) ~[metrics-core-4.2.26.jar:4.2.26] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) ~[?:?] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?] at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$1(ExecutorUtil.java:449) ~[solr-solrj-9.7.0.jar:9.7.0 675a41516e3f3bacfc975590773e7abdca444ff4 - anshum - 2024-09-03 15:05:20] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) ~[?:?] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[?:?] at java.base/java.lang.Thread.run(Thread.java:840) [?:?] 2024-09-18 09:36:31.238 ERROR (recoveryExecutor-12-thread-1-processing-fts06.host.internal:8983_solr dovecot_fts_shard5_replica_n61 dovecot_fts shard5 core_node62) [c:dovecot_fts s:shard5 r:core_node62 x:dovecot_fts_shard5_replica_n61 t:] o.a.s.c.RecoveryStrategy Recovery failed - trying again... (0) 2024-09-18 09:36:31.238 INFO (recoveryExecutor-12-thread-1-processing-fts06.host.internal:8983_solr dovecot_fts_shard5_replica_n61 dovecot_fts shard5 core_node62) [c:dovecot_fts s:shard5 r:core_node62 x:dovecot_fts_shard5_replica_n61 t:] o.a.s.c.RecoveryStrategy Wait [4] seconds before trying to recover again (attempt=1) Reverting back to 9.6.1 allows the replicas to recover again.Is this an issue when running 9.7.0 alongside 9.6.1 instances or does anyone have a clue?
Regards, Patrik
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