Hi All Getting loads of "SolrCoreState already closed" warnings... These look to be coming from the DIH... Could it be the DIH is running two processes simultaneously?
Full warning below... Cheers, Paul 2023-04-18 15:21:04.520 WARN (Thread-34929) [ ] o.a.s.h.d.SolrWriter Error creating document : SolrInputDocument(fields: [_indexname=fred_index, ....) => org.apache.solr.common.SolrException: SolrCoreState already closed. at org.apache.solr.update.DefaultSolrCoreState.lock(DefaultSolrCoreState.java:188) org.apache.solr.common.SolrException: SolrCoreState already closed. at org.apache.solr.update.DefaultSolrCoreState.lock(DefaultSolrCoreState.java:188) ~[solr-core-8.1.1.jar:8.1.1 fcbe46c28cef11bc058779afba09521de1b19bef - ab - 2019-05-22 15:20:01] at org.apache.solr.update.DefaultSolrCoreState.getIndexWriter(DefaultSolrCoreState.java:123) ~[solr-core-8.1.1.jar:8.1.1 fcbe46c28cef11bc058779afba09521de1b19bef - ab - 2019-05-22 15:20:01] at org.apache.solr.update.DirectUpdateHandler2.doNormalUpdate(DirectUpdateHandler2.java:338) ~[solr-core-8.1.1.jar:8.1.1 fcbe46c28cef11bc058779afba09521de1b19bef - ab - 2019-05-22 15:20:01] at org.apache.solr.update.DirectUpdateHandler2.addDoc0(DirectUpdateHandler2.java:289) ~[solr-core-8.1.1.jar:8.1.1 fcbe46c28cef11bc058779afba09521de1b19bef - ab - 2019-05-22 15:20:01] at org.apache.solr.update.DirectUpdateHandler2.addDoc(DirectUpdateHandler2.java:236) ~[solr-core-8.1.1.jar:8.1.1 fcbe46c28cef11bc058779afba09521de1b19bef - ab - 2019-05-22 15:20:01] at org.apache.solr.update.processor.RunUpdateProcessor.processAdd(RunUpdateProcessorFactory.java:76) ~[solr-core-8.1.1.jar:8.1.1 fcbe46c28cef11bc058779afba09521de1b19bef - ab - 2019-05-22 15:20:01] at org.apache.solr.update.processor.UpdateRequestProcessor.processAdd(UpdateRequestProcessor.java:55) ~[solr-core-8.1.1.jar:8.1.1 fcbe46c28cef11bc058779afba09521de1b19bef - ab - 2019-05-22 15:20:01] at org.apache.solr.update.processor.DistributedUpdateProcessor.doLocalAdd(DistributedUpdateProcessor.java:257) ~[solr-core-8.1.1.jar:8.1.1 fcbe46c28cef11bc058779afba09521de1b19bef - ab - 2019-05-22 15:20:01] at org.apache.solr.update.processor.DistributedUpdateProcessor.doVersionAdd(DistributedUpdateProcessor.java:483) ~[solr-core-8.1.1.jar:8.1.1 fcbe46c28cef11bc058779afba09521de1b19bef - ab - 2019-05-22 15:20:01] at org.apache.solr.update.processor.DistributedUpdateProcessor.lambda$versionAdd$0(DistributedUpdateProcessor.java:337) ~[solr-core-8.1.1.jar:8.1.1 fcbe46c28cef11bc058779afba09521de1b19bef - ab - 2019-05-22 15:20:01] at org.apache.solr.update.VersionBucket.runWithLock(VersionBucket.java:50) ~[solr-core-8.1.1.jar:8.1.1 fcbe46c28cef11bc058779afba09521de1b19bef - ab - 2019-05-22 15:20:01] at org.apache.solr.update.processor.DistributedUpdateProcessor.versionAdd(DistributedUpdateProcessor.java:337) ~[solr-core-8.1.1.jar:8.1.1 fcbe46c28cef11bc058779afba09521de1b19bef - ab - 2019-05-22 15:20:01] at org.apache.solr.update.processor.DistributedUpdateProcessor.processAdd(DistributedUpdateProcessor.java:223) ~[solr-core-8.1.1.jar:8.1.1 fcbe46c28cef11bc058779afba09521de1b19bef - ab - 2019-05-22 15:20:01] at org.apache.solr.update.processor.LogUpdateProcessorFactory$LogUpdateProcessor.processAdd(LogUpdateProcessorFactory.java:103) ~[solr-core-8.1.1.jar:8.1.1 fcbe46c28cef11bc058779afba09521de1b19bef - ab - 2019-05-22 15:20:01] at org.apache.solr.update.processor.UpdateRequestProcessor.processAdd(UpdateRequestProcessor.java:55) ~[solr-core-8.1.1.jar:8.1.1 fcbe46c28cef11bc058779afba09521de1b19bef - ab - 2019-05-22 15:20:01] at org.apache.solr.handler.dataimport.SolrWriter.upload(SolrWriter.java:80) ~[?:?] at org.apache.solr.handler.dataimport.DataImportHandler$1.upload(DataImportHandler.java:258) ~[?:?] at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:527) ~[?:?] at org.apache.solr.handler.dataimport.DocBuilder.buildDocument(DocBuilder.java:415) ~[?:?] at org.apache.solr.handler.dataimport.DocBuilder.doFullDump(DocBuilder.java:330) ~[?:?] at org.apache.solr.handler.dataimport.DocBuilder.execute(DocBuilder.java:233) ~[?:?] at org.apache.solr.handler.dataimport.DataImporter.doFullImport(DataImporter.java:424) ~[?:?] at org.apache.solr.handler.dataimport.DataImporter.runCmd(DataImporter.java:483) ~[?:?] at org.apache.solr.handler.dataimport.DataImporter.lambda$runAsync$0(DataImporter.java:466) ~[?:?] at java.lang.Thread.run(Thread.java:750) [?:1.8.0_361]