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From "Oakley, Craig (NIH/NLM/NCBI) [C]" <craig.oak...@nih.gov>
Subject Underlying file changed by an external force
Date Thu, 04 May 2017 18:00:02 GMT
We have been having problems with different collections on different SolrCloud clusters, all
seeming to be related to the write.lock file with stack traces similar to the following. Are
there any suggestions what might be the cause and what might be the solution? Thanks


org.apache.lucene.store.AlreadyClosedException: Underlying file changed by an external force
at 2017-04-13T20:43:08.630152Z, (lock=NativeFSLock(path=/data/solr/biosample/dba_test_shard1_replica1/data/index/write.lock,impl=sun.nio.ch.FileLockImpl[0:9223372036854775807
exclusive valid],ctime=2017-04-13T20:43:08.630152Z))

       at org.apache.lucene.store.NativeFSLockFactory$NativeFSLock.ensureValid(NativeFSLockFactory.java:179)

       at org.apache.lucene.store.LockValidatingDirectoryWrapper.deleteFile(LockValidatingDirectoryWrapper.java:37)

       at org.apache.lucene.index.IndexFileDeleter.deleteFile(IndexFileDeleter.java:732)

       at org.apache.lucene.index.IndexFileDeleter.deletePendingFiles(IndexFileDeleter.java:503)

       at org.apache.lucene.index.IndexFileDeleter.refresh(IndexFileDeleter.java:448)

       at org.apache.lucene.index.IndexWriter.rollbackInternalNoCommit(IndexWriter.java:2099)

       at org.apache.lucene.index.IndexWriter.rollbackInternal(IndexWriter.java:2041)

       at org.apache.lucene.index.IndexWriter.shutdown(IndexWriter.java:1083)

       at org.apache.lucene.index.IndexWriter.close(IndexWriter.java:1125)

       at org.apache.solr.update.SolrIndexWriter.close(SolrIndexWriter.java:131)

       at org.apache.solr.update.DefaultSolrCoreState.changeWriter(DefaultSolrCoreState.java:183)

       at org.apache.solr.update.DefaultSolrCoreState.newIndexWriter(DefaultSolrCoreState.java:207)

       at org.apache.solr.core.SolrCore.reload(SolrCore.java:472)

       at org.apache.solr.core.CoreContainer.reload(CoreContainer.java:849)

       at org.apache.solr.handler.admin.CoreAdminHandler.handleReloadAction(CoreAdminHandler.java:768)

       at org.apache.solr.handler.admin.CoreAdminHandler.handleRequestInternal(CoreAdminHandler.java:230)

       at org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:184)

       at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:156)

       at org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:664)

       at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:438)

       at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:223)

       at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:181)

       at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)

       at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)

       at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)

       at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)

       at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)

       at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)

       at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)

       at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)

       at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)

       at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)

       at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)

       at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)

       at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)

       at org.eclipse.jetty.server.Server.handle(Server.java:499)

       at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)

       at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)

       at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)

       at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)

       at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)

       at java.lang.Thread.run(Thread.java:745)


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