使用创建solr collection时报错
1.当用solr创建collection的时候，报错：
org.apache.solr.common.SolrException:org.apache.solr.common.SolrException: Error opening new searcher
2018-03-30 10:48:42:074 ERROR [qtp1049817027-995 - /solr/admin/cores] org.apache.solr.core.SolrCore | org.apache.solr.common.SolrException: Error CREATEing SolrCore 'vas_task_order': Unable to create core [vas_task_order] Caused by: Lock obtain timed out: NativeFSLock@/data/solr/solr_8003/data/vas_task_order/data/index/write.lock
at org.apache.solr.handler.admin.CoreAdminHandler.handleCreateAction(CoreAdminHandler.java:619)
at org.apache.solr.handler.admin.CoreAdminHandler.handleRequestInternal(CoreAdminHandler.java:200)
at org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:189)
at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:143)
at org.apache.solr.servlet.SolrDispatchFilter.handleAdminRequest(SolrDispatchFilter.java:783)
at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:282)
at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:220)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1419)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:455)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1075)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:384)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1009)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:154)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
at org.eclipse.jetty.server.Server.handle(Server.java:364)
at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
at org.eclipse.jetty.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:53)
at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:953)
at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1014)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:861)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)
at org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:72)
at org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:264)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.solr.common.SolrException: Unable to create core [vas_task_order]
at org.apache.solr.core.CoreContainer.create(CoreContainer.java:533)
at org.apache.solr.core.CoreContainer.create(CoreContainer.java:493)
at org.apache.solr.handler.admin.CoreAdminHandler.handleCreateAction(CoreAdminHandler.java:586)
... 31 more
Caused by: org.apache.solr.common.SolrException: Error opening new searcher
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:905)
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:660)
at org.apache.solr.core.CoreContainer.create(CoreContainer.java:518)
... 33 more
Caused by: org.apache.solr.common.SolrException: Error opening new searcher
at org.apache.solr.core.SolrCore.openNewSearcher(SolrCore.java:1714)
at org.apache.solr.core.SolrCore.getSearcher(SolrCore.java:1826)
at org.apache.solr.core.SolrCore.<init>(SolrCore.java:877)
... 35 more
Caused by: org.apache.lucene.store.LockObtainFailedException: Lock obtain timed out: NativeFSLock@/data/solr/solr_8003/data/vas_task_order/data/index/write.lock
at org.apache.lucene.store.Lock.obtain(Lock.java:89)
at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:776)
at org.apache.solr.update.SolrIndexWriter.<init>(SolrIndexWriter.java:78)
at org.apache.solr.update.SolrIndexWriter.create(SolrIndexWriter.java:65)
at org.apache.solr.update.DefaultSolrCoreState.createMainIndexWriter(DefaultSolrCoreState.java:273)
at org.apache.solr.update.DefaultSolrCoreState.getIndexWriter(DefaultSolrCoreState.java:116)
at org.apache.solr.core.SolrCore.openNewSearcher(SolrCore.java:1683)
... 37 more