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https://issues.apache.org/jira/browse/SOLR-9120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16242968#comment-16242968
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Hoss Man commented on SOLR-9120:
--------------------------------
And FWIW: The more i read up on all of these issues: No one has ever actually
posted any explicit logs, or steps to reproduce, of any failures with backup
(or ReplicationHandler) to this (SOLR-9120) issue (or for that matter: to
SOLR-8587, or to SOLR-8793, *OR* to SOLR-11616) ... AFAICT there is only
anecdotal information claiming that these exceptions (logged by
LukeRequestHandler) are also a "similar problem" to doing backups/replication.
If anyone has can provide *Actual logs* from an error occuring during
backup/replication -- along with configs / steps to reproduce: SOLR-11616 is
the place to post them.
AFAIK there is *NO* code in LukeRequestHandler that is used by any
backup/replication based code -- it is purely for _status_ purposes.
> o.a.s.h.a.LukeRequestHandler Error getting file length for [segments_NNN] --
> NoSuchFileException
> ------------------------------------------------------------------------------------------------
>
> Key: SOLR-9120
> URL: https://issues.apache.org/jira/browse/SOLR-9120
> Project: Solr
> Issue Type: Bug
> Affects Versions: 6.0
> Reporter: Markus Jelsma
> Attachments: SOLR-9120.patch, SOLR-9120.patch
>
>
> On Solr 6.0, we frequently see the following errors popping up:
> {code}
> java.nio.file.NoSuchFileException:
> /var/lib/solr/logs_shard2_replica1/data/index/segments_2c5
> at
> sun.nio.fs.UnixException.translateToIOException(UnixException.java:86)
> at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)
> at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107)
> at
> sun.nio.fs.UnixFileAttributeViews$Basic.readAttributes(UnixFileAttributeViews.java:55)
> at
> sun.nio.fs.UnixFileSystemProvider.readAttributes(UnixFileSystemProvider.java:144)
> at
> sun.nio.fs.LinuxFileSystemProvider.readAttributes(LinuxFileSystemProvider.java:99)
> at java.nio.file.Files.readAttributes(Files.java:1737)
> at java.nio.file.Files.size(Files.java:2332)
> at org.apache.lucene.store.FSDirectory.fileLength(FSDirectory.java:243)
> at
> org.apache.lucene.store.NRTCachingDirectory.fileLength(NRTCachingDirectory.java:131)
> at
> org.apache.solr.handler.admin.LukeRequestHandler.getFileLength(LukeRequestHandler.java:597)
> at
> org.apache.solr.handler.admin.LukeRequestHandler.getIndexInfo(LukeRequestHandler.java:585)
> at
> org.apache.solr.handler.admin.LukeRequestHandler.handleRequestBody(LukeRequestHandler.java:137)
> at
> org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:155)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:2033)
> at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:652)
> at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:460)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:229)
> at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:184)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1668)
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:581)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
> at
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1160)
> at
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:511)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1092)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
> at
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
> at
> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
> at org.eclipse.jetty.server.Server.handle(Server.java:518)
> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:308)
> at
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:244)
> at
> org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273)
> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)
> at
> org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
> at
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceAndRun(ExecuteProduceConsume.java:246)
> at
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:156)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:654)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:572)
> at java.lang.Thread.run(Thread.java:745)
> {code}
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