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)
