[
https://issues.apache.org/jira/browse/SOLR-12691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16592767#comment-16592767
]
Shawn Heisey commented on SOLR-12691:
-------------------------------------
An additional thought: Even if the problem can be found and fixed so the
two-core reproduction scenario works perfectly, I can tell you that the
performance will be *awful* as Solr continually unloads and loads cores. The
same thing might happen in the real-world scenario. That would likely be
preferable to index corruption, though.
[~erickerickson], should we have another issue to improve choosing which
transient core to unload? Do it on an LRU basis, instead of load order? I was
looking into request handler code. A number of request handlers implement
SolrCoreAware, but it's done on an individual handler basis, not on
RequestHandlerBase. If the base class were to implement SolrCoreAware and
handle updating the timestamp, I think the handler code would be overall
cleaner, and we might be in a better position to make LRU unloading happen.
> Index corruption when sending updates to multiple cores, if those cores can
> get unloaded by LotsOfCores
> -------------------------------------------------------------------------------------------------------
>
> Key: SOLR-12691
> URL: https://issues.apache.org/jira/browse/SOLR-12691
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Affects Versions: 7.4
> Reporter: Shawn Heisey
> Priority: Minor
>
> When the LotsOfCores setting 'transientCacheSize' results in the unloading of
> cores that are getting updates, the indexes in one or more of those cores can
> get corrupted.
> How to reproduce:
> * Set the "transientCacheSize" to 1
> * Create two cores that are both set to transient.
> * 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)
> Error with stacktrace:
> {noformat}
> 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]
> {noformat}
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