Environment: * solr 7.4.1 * all cores are vanilla cores with "loadOnStartUp" set to false, and "transient" set to true * we have about 75 cores with "transientCacheSize" set to 32
Issue: we have core corruption from time to time (2-3 core corruption a day) How to reproduce: * Set the "transientCacheSize" to 1 * Ingest high load to core1 only (no issue at this time) * Continue ingest high load to core1 and start ingest load to core2 simultaneously (core2 immediately corrupted) (stack trace is attached below) Please advise how to resolve this issue? Thank you so much! --Michael stack trace: 2018-08-16 23:02:31.212 ERROR (qtp225472281-4098) [ x:aggregator-core-be43376de27b1675562841f64c498] o.a.s.u.SolrIndexWriter Error closing IndexWriter java.nio.file.NoSuchFileException: /opt/solr/volumes/data1/4cf838d4b9e4675-core-897/index/_2_Lucene50_0.pos at sun.nio.fs.UnixException.translateToIOException(UnixException.java:86) ~[?:1.8.0_162] at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102) ~[?:1.8.0_162] at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107) ~[?:1.8.0_162] at sun.nio.fs.UnixFileAttributeViews$Basic.readAttributes(UnixFileAttributeViews.java:55) ~[?:1.8.0_162] at sun.nio.fs.UnixFileSystemProvider.readAttributes(UnixFileSystemProvider.java:144) ~[?:1.8.0_162] at sun.nio.fs.LinuxFileSystemProvider.readAttributes(LinuxFileSystemProvider.java:99) ~[?:1.8.0_162] at java.nio.file.Files.readAttributes(Files.java:1737) ~[?:1.8.0_162] at java.nio.file.Files.size(Files.java:2332) ~[?:1.8.0_162] at org.apache.lucene.store.FSDirectory.fileLength(FSDirectory.java:243) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.store.NRTCachingDirectory.fileLength(NRTCachingDirectory.java:128) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.index.SegmentCommitInfo.sizeInBytes(SegmentCommitInfo.java:217) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.index.MergePolicy.size(MergePolicy.java:558) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.index.TieredMergePolicy.getSegmentSizes(TieredMergePolicy.java:279) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.index.TieredMergePolicy.findMerges(TieredMergePolicy.java:300) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.index.IndexWriter.updatePendingMerges(IndexWriter.java:2199) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2162) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.index.IndexWriter.flush(IndexWriter.java:3571) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.index.IndexWriter.shutdown(IndexWriter.java:1028) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.index.IndexWriter.close(IndexWriter.java:1071) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.solr.update.SolrIndexWriter.close(SolrIndexWriter.java:286) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.update.DirectUpdateHandler2.closeWriter(DirectUpdateHandler2.java:917) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.update.DefaultSolrCoreState.closeIndexWriter(DefaultSolrCoreState.java:105) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.update.DefaultSolrCoreState.close(DefaultSolrCoreState.java:399) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.update.SolrCoreState.decrefSolrCoreState(SolrCoreState.java:83) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.core.SolrCore.close(SolrCore.java:1572) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at com.vmware.ops.data.solr.handler.AggregateIngestionHandler.handleRequestBody(AggregateIngestionHandler.java:163) [ops-data-solr-1.0.0-SNAPSHOT.jar:?] at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:199) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.core.SolrCore.execute(SolrCore.java:2539) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:709) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:515) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:377) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:323) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1634) [jetty-servlet-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533) [jetty-servlet-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) [jetty-security-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473) [jetty-servlet-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:219) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.Server.handle(Server.java:531) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:352) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:281) [jetty-io-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102) [jetty-io-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118) [jetty-io-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333) [jetty-util-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310) [jetty-util-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168) [jetty-util-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126) [jetty-util-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366) [jetty-util-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:760) [jetty-util-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:678) [jetty-util-9.4.10.v20180503.jar:9.4.10.v20180503] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_162] Suppressed: java.nio.file.NoSuchFileException: /opt/solr/volumes/data1/4cf838d4b9e4675-core-897/index/_2_Lucene50_0.pos at sun.nio.fs.UnixException.translateToIOException(UnixException.java:86) ~[?:1.8.0_162] at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102) ~[?:1.8.0_162] at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107) ~[?:1.8.0_162] at sun.nio.fs.UnixFileSystemProvider.implDelete(UnixFileSystemProvider.java:244) ~[?:1.8.0_162] at sun.nio.fs.AbstractFileSystemProvider.delete(AbstractFileSystemProvider.java:103) ~[?:1.8.0_162] at java.nio.file.Files.delete(Files.java:1126) ~[?:1.8.0_162] at org.apache.lucene.store.FSDirectory.privateDeleteFile(FSDirectory.java:371) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.store.FSDirectory.deleteFile(FSDirectory.java:340) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.store.NRTCachingDirectory.deleteFile(NRTCachingDirectory.java:119) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.store.LockValidatingDirectoryWrapper.deleteFile(LockValidatingDirectoryWrapper.java:38) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.index.IndexFileDeleter.deleteFile(IndexFileDeleter.java:696) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.index.IndexFileDeleter.deleteFiles(IndexFileDeleter.java:690) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.index.IndexFileDeleter.decRef(IndexFileDeleter.java:589) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.index.IndexFileDeleter.checkpoint(IndexFileDeleter.java:531) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.index.IndexWriter.rollbackInternalNoCommit(IndexWriter.java:2331) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.index.IndexWriter.rollbackInternal(IndexWriter.java:2274) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.index.IndexWriter.shutdown(IndexWriter.java:1035) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.lucene.index.IndexWriter.close(IndexWriter.java:1071) ~[lucene-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:51:45] at org.apache.solr.update.SolrIndexWriter.close(SolrIndexWriter.java:286) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.update.DirectUpdateHandler2.closeWriter(DirectUpdateHandler2.java:917) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.update.DefaultSolrCoreState.closeIndexWriter(DefaultSolrCoreState.java:105) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.update.DefaultSolrCoreState.close(DefaultSolrCoreState.java:399) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.update.SolrCoreState.decrefSolrCoreState(SolrCoreState.java:83) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.core.SolrCore.close(SolrCore.java:1572) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at com.vmware.ops.data.solr.handler.AggregateIngestionHandler.handleRequestBody(AggregateIngestionHandler.java:163) [ops-data-solr-1.0.0-SNAPSHOT.jar:?] at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:199) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.core.SolrCore.execute(SolrCore.java:2539) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:709) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:515) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:377) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:323) [solr-core-7.4.0.jar:7.4.0 9060ac689c270b02143f375de0348b7f626adebc - jpountz - 2018-06-18 16:55:13] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1634) [jetty-servlet-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533) [jetty-servlet-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) [jetty-security-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473) [jetty-servlet-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:219) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.Server.handle(Server.java:531) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:352) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260) [jetty-server-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:281) [jetty-io-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102) [jetty-io-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118) [jetty-io-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333) [jetty-util-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310) [jetty-util-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168) [jetty-util-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126) [jetty-util-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366) [jetty-util-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:760) [jetty-util-9.4.10.v20180503.jar:9.4.10.v20180503] at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:678) [jetty-util-9.4.10.v20180503.jar:9.4.10.v20180503] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_162]