Ok, after looking at the logs for some more time, i found that there are more than one threads trying to load the core at startup time. This doesn't make sense to me, is it configurable? Is there any reason why this is even an option?
Aug 25, 2017 12:04:37 PM INFO (main) [ ] o.e.j.s.Server jetty-9.3.14.v20161028 Aug 25, 2017 12:04:38 PM INFO (main) [ ] o.a.s.s.SolrDispatchFilter ___ _ Welcome to Apache Solr™ version 6.6.1-SNAPSHOT 1a390a91b5b658150478e6fc3c43381bedd3c6d3 - niqbal - 2017-08-09 10:31:27 Aug 25, 2017 12:04:38 PM INFO (main) [ ] o.a.s.s.SolrDispatchFilter / __| ___| |_ _ Starting in standalone mode on port 8984 Aug 25, 2017 12:04:38 PM INFO (main) [ ] o.a.s.s.SolrDispatchFilter \__ \/ _ \ | '_| Install dir: /local/bin/solr6/latest_solr Aug 25, 2017 12:04:38 PM INFO (main) [ ] o.a.s.s.SolrDispatchFilter |___/\___/_|_| Start time: 2017-08-25T20:04:38.231Z Aug 25, 2017 12:04:38 PM INFO (main) [ ] o.a.s.s.StartupLoggingUtils Property solr.log.muteconsole given. Muting ConsoleAppender named CONSOLE Aug 25, 2017 12:04:38 PM INFO (main) [ ] o.a.s.c.SolrResourceLoader Using system property solr.solr.home: /local/etc/solr/shard1 Aug 25, 2017 12:04:38 PM INFO (main) [ ] o.a.s.c.SolrXmlConfig Loading container configuration from /local/etc/solr/shard1/solr.xml Aug 25, 2017 12:04:38 PM INFO (main) [ ] o.a.s.u.UpdateShardHandler Creating UpdateShardHandler HTTP client with params: socketTimeout=600000&connTimeout=60000&retry=true Aug 25, 2017 12:04:38 PM INFO (main) [ ] o.a.s.c.CorePropertiesLocator Found 1 core definitions underneath /local/etc/solr/shard1 Aug 25, 2017 12:04:38 PM INFO (main) [ ] o.a.s.c.CorePropertiesLocator Cores are: [mysearch] Aug 25, 2017 12:04:38 PM INFO (coreLoadExecutor-6-thread-1) [ x:mysearch] o.a.s.u.SolrIndexConfig IndexWriter infoStream solr logging is enabled Aug 25, 2017 12:04:38 PM INFO (coreLoadExecutor-6-thread-1) [ x:mysearch] o.a.s.c.SolrConfig Using Lucene MatchVersion: 6.5.2 Aug 25, 2017 12:04:38 PM INFO (qtp761960786-29) [ ] o.a.s.c.TransientSolrCoreCacheDefault Allocating transient cache for 2147483647 transient cores Aug 25, 2017 12:04:38 PM INFO (main) [ ] o.e.j.s.Server Started @1225ms Aug 25, 2017 12:04:38 PM INFO (coreLoadExecutor-6-thread-1) [ x:mysearch] o.a.s.s.IndexSchema [mysearch] Schema name=local Aug 25, 2017 12:04:38 PM WARN (coreLoadExecutor-6-thread-1) [ x:mysearch] o.a.s.s.IndexSchema Field name_token is not multivalued and destination for multiple copyFields (7) Aug 25, 2017 12:04:38 PM WARN (coreLoadExecutor-6-thread-1) [ x:mysearch] o.a.s.s.IndexSchema Field name_shingle is not multivalued and destination for multiple copyFields (5) Aug 25, 2017 12:04:38 PM WARN (coreLoadExecutor-6-thread-1) [ x:mysearch] o.a.s.s.IndexSchema Field name_sort is not multivalued and destination for multiple copyFields (7) Aug 25, 2017 12:04:38 PM INFO (coreLoadExecutor-6-thread-1) [ x:mysearch] o.a.s.s.IndexSchema Loaded schema local/1.5 with uniqueid field id Aug 25, 2017 12:04:39 PM INFO (coreLoadExecutor-6-thread-1) [ x:mysearch] o.a.s.c.CoreContainer Creating SolrCore 'mysearch' using configuration from instancedir /local/etc/solr/shard1/mysearch, trusted=true Aug 25, 2017 12:04:39 PM INFO (coreLoadExecutor-6-thread-1) [ x:mysearch] o.a.s.c.SolrCore solr.RecoveryStrategy.Builder Aug 25, 2017 12:04:39 PM INFO (coreLoadExecutor-6-thread-1) [ x:mysearch] o.a.s.c.SolrCore [[mysearch] ] Opening new SolrCore at [/local/etc/solr/shard1/mysearch], dataDir=[/local/etc/solr/shard1/mysearch/data/] Aug 25, 2017 12:04:39 PM INFO (coreLoadExecutor-6-thread-1) [ x:mysearch] o.a.s.r.XSLTResponseWriter xsltCacheLifetimeSeconds=5 Aug 25, 2017 12:04:39 PM INFO (qtp761960786-31) [ x:mysearch] o.a.s.u.SolrIndexConfig IndexWriter infoStream solr logging is enabled Aug 25, 2017 12:04:39 PM INFO (qtp761960786-31) [ x:mysearch] o.a.s.c.SolrConfig Using Lucene MatchVersion: 6.5.2 Aug 25, 2017 12:04:39 PM INFO (qtp761960786-31) [ x:mysearch] o.a.s.s.IndexSchema [mysearch] Schema name=local Aug 25, 2017 12:04:39 PM WARN (qtp761960786-31) [ x:mysearch] o.a.s.s.IndexSchema Field name_token is not multivalued and destination for multiple copyFields (7) Aug 25, 2017 12:04:39 PM WARN (qtp761960786-31) [ x:mysearch] o.a.s.s.IndexSchema Field name_shingle is not multivalued and destination for multiple copyFields (5) Aug 25, 2017 12:04:39 PM WARN (qtp761960786-31) [ x:mysearch] o.a.s.s.IndexSchema Field name_sort is not multivalued and destination for multiple copyFields (7) Aug 25, 2017 12:04:39 PM INFO (qtp761960786-31) [ x:mysearch] o.a.s.s.IndexSchema Loaded schema local/1.5 with uniqueid field id Aug 25, 2017 12:04:39 PM INFO (qtp761960786-31) [ x:mysearch] o.a.s.c.CoreContainer Creating SolrCore 'mysearch' using configuration from instancedir /local/etc/solr/shard1/mysearch, trusted=true Aug 25, 2017 12:04:39 PM INFO (qtp761960786-31) [ x:mysearch] o.a.s.c.SolrCore solr.RecoveryStrategy.Builder Aug 25, 2017 12:04:39 PM INFO (qtp761960786-31) [ x:mysearch] o.a.s.c.SolrCore [[mysearch] ] Opening new SolrCore at [/local/etc/solr/shard1/mysearch], dataDir=[/local/etc/solr/shard1/mysearch/data/] Aug 25, 2017 12:04:39 PM INFO (qtp761960786-31) [ x:mysearch] o.a.s.r.XSLTResponseWriter xsltCacheLifetimeSeconds=5 Aug 25, 2017 12:04:39 PM INFO (coreLoadExecutor-6-thread-1) [ x:mysearch] o.a.s.u.CommitTracker Hard AutoCommit: disabled Aug 25, 2017 12:04:39 PM INFO (qtp761960786-31) [ x:mysearch] o.a.s.u.CommitTracker Hard AutoCommit: disabled Aug 25, 2017 12:04:39 PM INFO (coreLoadExecutor-6-thread-1) [ x:mysearch] o.a.s.u.CommitTracker Soft AutoCommit: disabled Aug 25, 2017 12:04:39 PM INFO (qtp761960786-31) [ x:mysearch] o.a.s.u.CommitTracker Soft AutoCommit: disabled Aug 25, 2017 12:04:39 PM INFO (qtp761960786-31) [ x:mysearch] o.a.s.c.SolrCore [mysearch] CLOSING SolrCore org.apache.solr.core.SolrCore@3f24b393 Aug 25, 2017 12:04:39 PM INFO (qtp761960786-31) [ x:mysearch] o.a.s.m.SolrMetricManager Closing metric reporters for: solr.core.mysearch Aug 25, 2017 12:04:39 PM ERROR (qtp761960786-31) [ x:mysearch] o.a.s.s.HttpSolrCall null:org.apache.solr.common.SolrException: Unable to create core [mysearch] at org.apache.solr.core.CoreContainer.create(CoreContainer.java:935) at org.apache.solr.core.CoreContainer.getCore(CoreContainer.java:1331) at org.apache.solr.servlet.HttpSolrCall.init(HttpSolrCall.java:268) at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:483) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:361) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:305) 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) On Fri, Aug 25, 2017 at 10:47 AM, Nawab Zada Asad Iqbal <khi...@gmail.com> wrote: > Hi, > > I am getting this error. i have deleted the file and restarted the server, > but this error doesn't go away. > > What should I do to fix it? > > > > Caused by: org.apache.solr.common.SolrException: Error opening new > searcher > at org.apache.solr.core.SolrCore.<init>(SolrCore.java:977) > at org.apache.solr.core.SolrCore.<init>(SolrCore.java:830) > at org.apache.solr.core.CoreContainer.create( > CoreContainer.java:920) > ... 32 more > Caused by: org.apache.solr.common.SolrException: Error opening new > searcher > at org.apache.solr.core.SolrCore.openNewSearcher(SolrCore.java: > 2069) > at org.apache.solr.core.SolrCore.getSearcher(SolrCore.java:2189) > at org.apache.solr.core.SolrCore.initSearcher(SolrCore.java:1071) > at org.apache.solr.core.SolrCore.<init>(SolrCore.java:949) > ... 34 more > Caused by: org.apache.lucene.store.LockObtainFailedException: Lock held > by this virtual machine: /local/var/solr/shard1/ > mysearch/data/index/write.lock > at org.apache.lucene.store.NativeFSLockFactory.obtainFSLock( > NativeFSLockFactory.java:127) > at org.apache.lucene.store.FSLockFactory.obtainLock( > FSLockFactory.java:41) > at org.apache.lucene.store.BaseDirectory.obtainLock( > BaseDirectory.java:45) > at org.apache.lucene.index.IndexWriter.<init>( > IndexWriter.java:800) > at org.apache.solr.update.SolrIndexWriter.<init>( > SolrIndexWriter.java:118) > at org.apache.solr.update.SolrIndexWriter.create( > SolrIndexWriter.java:93) > at org.apache.solr.update.DefaultSolrCoreState. > createMainIndexWriter(DefaultSolrCoreState.java:248) > at org.apache.solr.update.DefaultSolrCoreState.getIndexWriter( > DefaultSolrCoreState.java:122) > at org.apache.solr.core.SolrCore.openNewSearcher(SolrCore.java: > 2030) > ... 37 more > > > > Thanks > Nawab >