Exception message: Stale file handle
Exception type: java.io.IOException
Exception stacktrace: java.io.IOException: Stale file handle at sun.nio.ch.FileDispatcherImpl.pread0(Native Method) at sun.nio.ch.FileDispatcherImpl.pread(FileDispatcherImpl.java:52) at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:220) at sun.nio.ch.IOUtil.read(IOUtil.java:197) at sun.nio.ch.FileChannelImpl.readInternal(FileChannelImpl.java:708) at sun.nio.ch.FileChannelImpl.read(FileChannelImpl.java:694) at org.apache.lucene.store.NIOFSDirectory$NIOFSIndexInput.readInternal(NIOFSDirectory.java:168) at org.apache.lucene.store.BufferedIndexInput.refill(BufferedIndexInput.java:160) at org.apache.lucene.store.BufferedIndexInput.readByte(BufferedIndexInput.java:39) at org.apache.lucene.store.IndexInput.readVInt(IndexInput.java:79) at org.apache.lucene.index.TermBuffer.read(TermBuffer.java:64) at org.apache.lucene.index.SegmentTermEnum.next(SegmentTermEnum.java:131) at org.apache.lucene.index.SegmentTermEnum.scanTo(SegmentTermEnum.java:162) at org.apache.lucene.index.TermInfosReader.get(TermInfosReader.java:232) at org.apache.lucene.index.TermInfosReader.get(TermInfosReader.java:179) at org.apache.lucene.index.SegmentReader.docFreq(SegmentReader.java:975) at org.apache.lucene.index.DirectoryReader.docFreq(DirectoryReader.java:659) at org.apache.lucene.search.IndexSearcher.docFreq(IndexSearcher.java:138) at org.apache.lucene.search.Similarity.idfExplain(Similarity.java:735) at org.apache.lucene.search.TermQuery$TermWeight.(TermQuery.java:46) at org.apache.lucene.search.TermQuery.createWeight(TermQuery.java:171) at org.apache.lucene.search.BooleanQuery$BooleanWeight.(BooleanQuery.java:188) at org.apache.lucene.search.BooleanQuery.createWeight(BooleanQuery.java:362) at org.apache.lucene.search.Query.weight(Query.java:101) at org.apache.lucene.search.Searcher.createWeight(Searcher.java:147) at org.apache.lucene.search.Searcher.search(Searcher.java:98) at uk.ac.ebi.chebi.utilities.search.handler.LuceneHandler.search(LuceneHandler.java:48) at uk.ac.ebi.chebi.utilities.search.controller.SearchController.search(SearchController.java:91) at uk.ac.ebi.chebi.webapps.public1.controller.AdvancedSearchFtAction.execute(AdvancedSearchFtAction.java:205) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397) at javax.servlet.http.HttpServlet.service(HttpServlet.java:622) at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.displaytag.filter.ResponseOverrideFilter.doFilter(ResponseOverrideFilter.java:125) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:203) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:617) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:668) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:279) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745)