Hi Everyone, We are using SolrCloud 8.11.2 integrated with Sitecore 10.4, and we are facing an intermittent indexing issue in master index whenever certain items are created in Sitecore.
In the logs, we are seeing the following error: Task queue processing has stalled for 20085 ms with 0 remaining elements to process. Has anyone experienced a similar issue or have any suggestions on how to fix this timeout issue? I appreciate any guidance or insights. Complete Error: 2025-10-09 21:02:19.537 ERROR (qtp1420232606-314828) [c:sitecore_master_index s:shard1 r:core_node3 x:sitecore_master_index_shard1_replica_n1] o.a.s.s.HttpSolrCall org.apache.solr.update.processor.DistributedUpdateProcessor$DistributedUpdatesAsyncException: Async exception during distributed update: Error from server at https://wep3-prod104-solr1.avndscxom.com:8983/solr/sitecore_master_index_shard2_replica_n16/: Server Error request: https://wep3-prod104-solr1.avndscxom.com:8983/solr/sitecore_master_index_shard2_replica_n16/ Remote error message: Task queue processing has stalled for 20085 ms with 0 remaining elements to process. => org.apache.solr.update.processor.DistributedUpdateProcessor$DistributedUpdatesAsyncException: Async exception during distributed update: Error from server at https://wep3-prod104-solr1.avndscxom.com:8983/solr/sitecore_master_index_shard2_replica_n16/: Server Error request: https://wep3-prod104-solr1.avndscxom.com:8983/solr/sitecore_master_index_shard2_replica_n16/ Remote error message: Task queue processing has stalled for 20085 ms with 0 remaining elements to process. at org.apache.solr.update.processor.DistributedZkUpdateProcessor.doDistribFinish(DistributedZkUpdateProcessor.java:1193) org.apache.solr.update.processor.DistributedUpdateProcessor$DistributedUpdatesAsyncException: Async exception during distributed update: Error from server at https://wep3-prod104-solr1.avndscxom.com:8983/solr/sitecore_master_index_shard2_replica_n16/: Server Error request: https://wep3-prod104-solr1.avndscxom.com:8983/solr/sitecore_master_index_shard2_replica_n16/ Remote error message: Task queue processing has stalled for 20085 ms with 0 remaining elements to process. at org.apache.solr.update.processor.DistributedZkUpdateProcessor.doDistribFinish(DistributedZkUpdateProcessor.java:1193) ~[solr-core-8.11.2.jar:8.11.2 17dee71932c683e345508113523e764c3e4c80fa - mdrob - 2022-06-13 11:27:54] at org.apache.solr.update.processor.DistributedUpdateProcessor.finish(DistributedUpdateProcessor.java:1122) ~[solr-core-8.11.2.jar:8.11.2 17dee71932c683e345508113523e764c3e4c80fa - mdrob - 2022-06-13 11:27:54] at org.apache.solr.update.processor.LogUpdateProcessorFactory$LogUpdateProcessor.finish(LogUpdateProcessorFactory.java:195) ~[solr-core-8.11.2.jar:8.11.2 17dee71932c683e345508113523e764c3e4c80fa - mdrob - 2022-06-13 11:27:54] at org.apache.solr.update.processor.UpdateRequestProcessor.finish(UpdateRequestProcessor.java:80) ~[solr-core-8.11.2.jar:8.11.2 17dee71932c683e345508113523e764c3e4c80fa - mdrob - 2022-06-13 11:27:54] at org.apache.solr.update.processor.UpdateRequestProcessor.finish(UpdateRequestProcessor.java:80) ~[solr-core-8.11.2.jar:8.11.2 17dee71932c683e345508113523e764c3e4c80fa - mdrob - 2022-06-13 11:27:54] at org.apache.solr.update.processor.UpdateRequestProcessor.finish(UpdateRequestProcessor.java:80) ~[solr-core-8.11.2.jar:8.11.2 17dee71932c683e345508113523e764c3e4c80fa - mdrob - 2022-06-13 11:27:54] at org.apache.solr.update.processor.UpdateRequestProcessor.finish(UpdateRequestProcessor.java:80) ~[solr-core-8.11.2.jar:8.11.2 17dee71932c683e345508113523e764c3e4c80fa - mdrob - 2022-06-13 11:27:54] at org.apache.solr.update.processor.UpdateRequestProcessor.finish(UpdateRequestProcessor.java:80) ~[solr-core-8.11.2.jar:8.11.2 17dee71932c683e345508113523e764c3e4c80fa - mdrob - 2022-06-13 11:27:54] at org.apache.solr.update.processor.UpdateRequestProcessor.finish(UpdateRequestProcessor.java:80) ~[solr-core-8.11.2.jar:8.11.2 17dee71932c683e345508113523e764c3e4c80fa - mdrob - 2022-06-13 11:27:54] at org.apache.solr.update.processor.UpdateRequestProcessor.finish(UpdateRequestProcessor.java:80) ~[solr-core-8.11.2.jar:8.11.2 17dee71932c683e345508113523e764c3e4c80fa - mdrob - 2022-06-13 11:27:54] at org.apache.solr.update.processor.UpdateRequestProcessor.finish(UpdateRequestProcessor.java:80) ~[solr-core-8.11.2.jar:8.11.2 17dee71932c683e345508113523e764c3e4c80fa - mdrob - 2022-06-13 11:27:54] at org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(ContentStreamHandlerBase.java:92) ~[solr-core-8.11.2.jar:8.11.2 17dee71932c683e345508113523e764c3e4c80fa - mdrob - 2022-06-13 11:27:54] at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:216) ~[solr-core-8.11.2.jar:8.11.2 17dee71932c683e345508113523e764c3e4c80fa - mdrob - 2022-06-13 11:27:54] at org.apache.solr.core.SolrCore.execute(SolrCore.java:2637) ~[solr-core-8.11.2.jar:8.11.2 17dee71932c683e345508113523e764c3e4c80fa - mdrob - 2022-06-13 11:27:54] at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:791) ~[solr-core-8.11.2.jar:8.11.2 17dee71932c683e345508113523e764c3e4c80fa - mdrob - 2022-06-13 11:27:54] at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:564) ~[solr-core-8.11.2.jar:8.11.2 17dee71932c683e345508113523e764c3e4c80fa - mdrob - 2022-06-13 11:27:54] at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:427) ~[solr-core-8.11.2.jar:8.11.2 17dee71932c683e345508113523e764c3e4c80fa - mdrob - 2022-06-13 11:27:54] at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:357) ~[solr-core-8.11.2.jar:8.11.2 17dee71932c683e345508113523e764c3e4c80fa - mdrob - 2022-06-13 11:27:54] at org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:201) ~[jetty-servlet-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1601) ~[jetty-servlet-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:548) ~[jetty-servlet-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:600) ~[jetty-security-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1434) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:501) ~[jetty-servlet-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1349) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:191) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.handler.InetAccessHandler.handle(InetAccessHandler.java:177) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:322) ~[jetty-rewrite-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:763) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.handler.StatisticsHandler.handle(StatisticsHandler.java:179) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.Server.handle(Server.java:516) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:400) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:645) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:392) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277) ~[jetty-server-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311) ~[jetty-io-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[jetty-io-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.onFillable(SslConnection.java:555) ~[jetty-io-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:410) ~[jetty-io-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:164) ~[jetty-io-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) ~[jetty-io-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104) ~[jetty-io-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338) ~[jetty-util-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315) ~[jetty-util-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173) ~[jetty-util-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) ~[jetty-util-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:409) ~[jetty-util-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883) ~[jetty-util-9.4.44.v20210927.jar:9.4.44.v20210927] at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034) ~[jetty-util-9.4.44.v20210927.jar:9.4.44.v20210927] at java.lang.Thread.run(Unknown Source) [?:1.8.0_271] Regards, Shalini D ________________________________ This message is for the designated recipient only and may contain privileged, proprietary, or otherwise confidential information. 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