Hi , We are facing issues rebuilding Solr indexes. Sitecore is throwing an error when trying to rebuild any Solr index. Please note that we recently upgraded JRE from Oracle JAVA 8.0.2710.9 to Microsoft OpneJDK 11.0.26.4 and Log4j versions from 2.11.2.0,1.2.17.0 to 2.24.3 to address Infosec Vulnerabilities. We have restarted the Solr and Zookeeper services, and we were able to rebuild indexes after restarting services only temporarily. The indexes failed to rebuild after a few hours with the same error.
Sitecore Version : 10.1.2 Solr version : 8.4.0 Apache Zookeeper : 3.6.2 Error screenshot : [cid:image001.png@01DBBA25.F479F070] Error Details : 5196 17:17:43 ERROR <?xml version="1.0" encoding="UTF-8"?> <response> <lst name="responseHeader"> <int name="rf">2147483647</int> <int name="status">-1</int> <int name="QTime">3206</int> </lst> <lst name="error"> <lst name="metadata"> <str name="error-class">org.apache.solr.update.processor.DistributedUpdateProcessor$DistributedUpdatesAsyncException</str> <str name="root-error-class">org.apache.solr.update.processor.DistributedUpdateProcessor$DistributedUpdatesAsyncException</str> </lst> <str name="msg">383 Async exceptions during distributed update: java.io.IOException: Broken pipe java.io.IOException: Broken pipe java.io.IOException: Broken pipe java.io.IOException: Broken pipe java.io.IOException: Broken pipe java.io.IOException: Broken pipe</str> <str name="trace">org.apache.solr.update.processor.DistributedUpdateProcessor$DistributedUpdatesAsyncException: 383 Async exceptions during distributed update: java.io.IOException: Broken pipe java.io.IOException: Broken pipe java.io.IOException: Broken pipe at org.apache.solr.update.processor.DistributedZkUpdateProcessor.doDistribFinish(DistributedZkUpdateProcessor.java:1189) at org.apache.solr.update.processor.DistributedUpdateProcessor.finish(DistributedUpdateProcessor.java:1096) at org.apache.solr.update.processor.LogUpdateProcessorFactory$LogUpdateProcessor.finish(LogUpdateProcessorFactory.java:182) at org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(ContentStreamHandlerBase.java:78) at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:211) at org.apache.solr.core.SolrCore.execute(SolrCore.java:2596) at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:799) at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:578) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:419) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:351) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1711) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1347) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1678) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1249) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144) at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220) at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:152) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:335) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.server.Server.handle(Server.java:505) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:370) at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:267) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103) at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.onFillable(SslConnection.java:427) at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:321) at org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:159) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103) at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126) at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:781) at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:917) at java.base/java.lang.Thread.run(Thread.java:829) </str> <int name="code">500</int> </lst> </response> Exception: SolrNet.Exceptions.SolrConnectionException Message: <?xml version="1.0" encoding="UTF-8"?> <response> Please help us to resolve this issue. 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