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From Peter Matthew Eichman <peich...@umd.edu>
Subject Getting "Error getting file length for [segments_5]" warnings in Solr 6.4.0
Date Tue, 14 Feb 2017 16:57:33 GMT
Hello all,

I am running Solr 6.4.0, and while I am attempting to index my Fedora 4
data, I keep getting warning messages in my solr.log: "WARN
 (qtp401424608-18) [   x:fedora4] o.a.s.h.a.LukeRequestHandler Error
getting file length for [segments_5]". And after that, the indexing stops,
and the core is left in a non-current state until I issue a manual commit
request to it.

What might be causing this behavior? We did migrate this core from Solr 4
to Solr 6, so I was thinking it might be related to some config setting
that works in 4 but messes up in 6?

Here is the full stack trace from the log:

2017-02-14 16:51:11.429 WARN  (qtp401424608-18) [   x:fedora4]
o.a.s.h.a.LukeRequestHandler Error getting file length for [segments_5]
java.nio.file.NoSuchFileException:
/apps/solr/solr64/cores/fedora4/data/index/segments_5
        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$Basic.readAttributes(UnixFileAttributeViews.java:55)
        at
sun.nio.fs.UnixFileSystemProvider.readAttributes(UnixFileSystemProvider.java:144)
        at
sun.nio.fs.LinuxFileSystemProvider.readAttributes(LinuxFileSystemProvider.java:99)
        at java.nio.file.Files.readAttributes(Files.java:1737)
        at java.nio.file.Files.size(Files.java:2332)
        at
org.apache.lucene.store.FSDirectory.fileLength(FSDirectory.java:243)
        at
org.apache.lucene.store.NRTCachingDirectory.fileLength(NRTCachingDirectory.java:128)
        at
org.apache.lucene.store.FilterDirectory.fileLength(FilterDirectory.java:67)
        at
org.apache.solr.handler.admin.LukeRequestHandler.getFileLength(LukeRequestHandler.java:614)
        at
org.apache.solr.handler.admin.LukeRequestHandler.getIndexInfo(LukeRequestHandler.java:587)
        at
org.apache.solr.handler.admin.LukeRequestHandler.handleRequestBody(LukeRequestHandler.java:138)
        at
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:166)
        at org.apache.solr.core.SolrCore.execute(SolrCore.java:2306)
        at
org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:658)
        at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:464)
        at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:345)
        at
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:296)
        at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1691)
        at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582)
        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:1180)
        at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)
        at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
        at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
        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:534)
        at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)
        at
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
        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.executeProduceConsume(ExecuteProduceConsume.java:303)
        at
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
        at
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
        at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
        at
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
        at java.lang.Thread.run(Thread.java:745)

Thanks,
-Peter

-- 
Peter Eichman
Senior Software Developer
University of Maryland Libraries
peichman@umd.edu

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