Here are two stack traces: add+remove a document: Tom
--- Remove a document: java.io.FileNotFoundException: /home/ia/prod/current-deployment/indexes/advertisement/_0.cfs (No such file or directory) at java.io.RandomAccessFile.open(Native Method) at java.io.RandomAccessFile.<init>(RandomAccessFile.java:212) at org.apache.lucene.store.FSDirectory$FSIndexInput$Descriptor.<init>(FSDirectory.java:552) at org.apache.lucene.store.FSDirectory$FSIndexInput.<init>(FSDirectory.java:582) at org.apache.lucene.store.FSDirectory.openInput(FSDirectory.java:488) at org.apache.lucene.index.CompoundFileReader.<init>(CompoundFileReader.java:70) at org.apache.lucene.index.SegmentReader.initialize(SegmentReader.java:321) at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:306) at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:236) at org.apache.lucene.index.DocumentsWriter.applyDeletes(DocumentsWriter.java:915) at org.apache.lucene.index.IndexWriter.applyDeletes(IndexWriter.java:4339) at org.apache.lucene.index.IndexWriter.doFlush(IndexWriter.java:3579) at org.apache.lucene.index.IndexWriter.flush(IndexWriter.java:3450) at org.apache.lucene.index.IndexWriter.prepareCommit(IndexWriter.java:3363) at org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:3408) at com.encheromax.business.advertisement.implementation.AdvertisementManager.commitIndexWriter(AdvertisementManager.java:1728) at com.encheromax.business.advertisement.implementation.AdvertisementManager.removeAdvertisementFromIndex(AdvertisementManager.java:635) at com.encheromax.api.implementation.admin.ApiAdminBurnAdvertisement.executeRequest(ApiAdminBurnAdvertisement.java:210) at com.encheromax.controller.admin.Rule.doReqFinal(Rule.java:100) at net.tmp.fwk.fw1.controller.Action.process(Action.java:302) at net.tmp.fwk.fw1.controller.Action.doPost(Action.java:87) at javax.servlet.http.HttpServlet.service(HttpServlet.java:710) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at com.encheromax.servlet.filter.EncheromaxBeanFilter.doFilter(EncheromaxBeanFilter.java:53) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200) at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283) at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:773) at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703) at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:895) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689) Add a document: java.io.FileNotFoundException: /home/ia/prod/current-deployment/indexes/advertisement/_v.cfs (No such file or directory) at java.io.RandomAccessFile.open(Native Method) at java.io.RandomAccessFile.<init>(RandomAccessFile.java:212) at org.apache.lucene.store.FSDirectory$FSIndexInput$Descriptor.<init>(FSDirectory.java:552) at org.apache.lucene.store.FSDirectory$FSIndexInput.<init>(FSDirectory.java:582) at org.apache.lucene.store.FSDirectory.openInput(FSDirectory.java:488) at org.apache.lucene.index.CompoundFileReader.<init>(CompoundFileReader.java:70) at org.apache.lucene.index.SegmentReader.initialize(SegmentReader.java:321) at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:306) at org.apache.lucene.index.SegmentReader.get(SegmentReader.java:236) at org.apache.lucene.index.DocumentsWriter.applyDeletes(DocumentsWriter.java:915) at org.apache.lucene.index.IndexWriter.applyDeletes(IndexWriter.java:4339) at org.apache.lucene.index.IndexWriter.doFlush(IndexWriter.java:3579) at org.apache.lucene.index.IndexWriter.flush(IndexWriter.java:3450) at org.apache.lucene.index.IndexWriter.prepareCommit(IndexWriter.java:3363) at org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:3408) at com.encheromax.business.advertisement.implementation.AdvertisementManager.commitIndexWriter(AdvertisementManager.java:1728) at com.encheromax.business.advertisement.implementation.AdvertisementManager.addAdvertisementDocument(AdvertisementManager.java:536) at com.encheromax.business.advertisement.implementation.AdvertisementManager.appendFullAdvertisementToIndex(AdvertisementManager.java:713) at com.encheromax.api.implementation.ApiFinalizeAdvertisement.executeRequest(ApiFinalizeAdvertisement.java:224) at com.encheromax.controller.advertisement.CreateAdvertisement.doReq(CreateAdvertisement.java:294) at net.tmp.fwk.fw1.controller.Security.doReqFinal(Security.java:135) at net.tmp.fwk.fw1.controller.Action.process(Action.java:302) at net.tmp.fwk.fw1.controller.Action.doPost(Action.java:87) at javax.servlet.http.HttpServlet.service(HttpServlet.java:710) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at com.encheromax.servlet.filter.EncheromaxBeanFilter.doFilter(EncheromaxBeanFilter.java:53) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200) at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283) at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:773) at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703) at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:895) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689) at java.lang.Thread.run(Thread.java:619) --- En date de : Sam 9.1.10, Michael McCandless <[email protected]> a écrit : De: Michael McCandless <[email protected]> Objet: Re: Concurrent access IndexReader / IndexWriter - FileNotFoundException À: [email protected] Date: Samedi 9 Janvier 2010, 14h51 Can you post the full FNFE stack trace? Mike On Fri, Jan 8, 2010 at 5:35 AM, legrand thomas <[email protected]> wrote: > Hi, > > I often get a FileNotFoundException when my single IndexWriter commits while > the IndexReader also tries to read. My application is multithreaded (Tomcat > uses the business APIs); I firstly thought the read/write access was > thread-safe but I probably forget something. > > Please help me to understand my mistakes: > > - When should I close the IndexWriter ? Each time I add/update a document or > never ? > - Should my java commit/read methods be synchronized ? > - Should I lock the directory and what's the best way to do it ? > > I referred to the Lucene FAQ ("why do I sometimes get a FileNotFoundException > when I search and update my index at the same time?") but I did not disable > any locking for processes searching or updating the index. > > I use lucene-2.4.1. > > Thanks in advance, > Tom > > > > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
