[Building Sakai] Search | IndexReader AlreadyClosed

tushar kapoor masterofpuppetssays at gmail.com
Fri Sep 2 02:55:37 PDT 2011 

Also, The fix seems to be for a closed IndexWriter, in our case it is the
IndexReader that gets closed.


On Fri, Sep 2, 2011 at 3:23 PM, tushar kapoor <masterofpuppetssays at gmail.com
> wrote:

> Hi David,
>
> Thanks for the swift response, we are using Sakai 2.7. Will this work with
> 2.7 ?
>
> Regards,
> Tushar
>
>
> On Fri, Sep 2, 2011 at 3:20 PM, David Horwitz <david.horwitz at uct.ac.za>wrote:
>
>> **
>> Hi Tushar,
>>
>> You are using Sakai 2.8.0? If so please udate your search code to the
>> latest 1.3 release (1.3.4). This is the bug:
>>
>> https://jira.sakaiproject.org/browse/SRCH-59
>>
>> Regards
>>
>> David
>>
>>
>> On 09/02/2011 11:32 AM, tushar kapoor wrote:
>>
>> Hi,
>>
>>  We are using 4 Sakai load-balanced nodes in our setup and all these have
>> a common search journal. The typical search settings we use are -
>>
>>  search.enable=true
>> search.indexbuild=true
>> localIndexBase at org.sakaiproject.search.api.JournalSettings=$
>> {sakai.home}/indexwork
>> sharedJournalBase at org.sakaiproject.search.api.JournalSettings=<common
>> location on a Shared Network drive>
>>
>>  The setup was working fine and the searching and indexing was happening
>> properly. Then one of the nodes started giving this exception -
>>
>>  org.sakaiproject.portal.api.PortalHandlerException:
>> org.sakaiproject.tool.api.ToolException:
>> java.lang.reflect.InvocationTargetException
>>     at
>> org.sakaiproject.portal.charon.SkinnableCharonPortal.doGet(SkinnableCharonPortal.java:730)
>> caused by: org.sakaiproject.tool.api.ToolException:
>> java.lang.reflect.InvocationTargetException
>>     at org.sakaiproject.cheftool.ToolServlet.doGet(ToolServlet.java:236)
>> caused by: java.lang.reflect.InvocationTargetException
>>     at
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>> caused by: org.apache.lucene.store.AlreadyClosedException: this
>> IndexReader is closed
>>     at
>> org.apache.lucene.index.IndexReader.ensureOpen(IndexReader.java:209)
>>     at org.apache.lucene.index.MultiReader.docFreq(MultiReader.java:341)
>>     at
>> org.apache.lucene.search.IndexSearcher.docFreq(IndexSearcher.java:147)
>>     at org.apache.lucene.search.Similarity.idfExplain(Similarity.java:765)
>>     at
>> org.apache.lucene.search.TermQuery$TermWeight.<init>(TermQuery.java:46)
>>     at org.apache.lucene.search.TermQuery.createWeight(TermQuery.java:146)
>>     at
>> org.apache.lucene.search.BooleanQuery$BooleanWeight.<init>(BooleanQuery.java:184)
>>     at
>> org.apache.lucene.search.BooleanQuery.createWeight(BooleanQuery.java:415)
>>     at org.apache.lucene.search.Query.weight(Query.java:99)
>>     at org.apache.lucene.search.Searcher.createWeight(Searcher.java:230)
>>     at org.apache.lucene.search.Searcher.search(Searcher.java:110)
>>     at
>> com.bb.lms.search.component.service.impl.CTASearchServiceImpl.search(CTASearchServiceImpl.java:68)
>>     at
>> com.tbb.lms.tool.CTAResourcesAction.buildReferenceMaterialsListContext(CTAResourcesAction.java:226)
>>     at
>> com.tbb.lms.tool.CTAResourcesAction.buildMainPanelContext(CTAResourcesAction.java:127)
>>     at sun.reflect.GeneratedMethodAccessor307.invoke(null:-1)
>>     at
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>     at java.lang.reflect.Method.invoke(Method.java:597)
>>     at
>> org.sakaiproject.cheftool.VelocityPortletPaneledAction.toolModeDispatch(VelocityPortletPaneledAction.java:392)
>>     at org.sakaiproject.cheftool.ToolServlet.doGet(ToolServlet.java:236)
>>     at
>> org.sakaiproject.cheftool.VelocityPortletPaneledAction.doGet(VelocityPortletPaneledAction.java:1032)
>>     at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
>>     at
>> org.sakaiproject.vm.ComponentServlet.service(ComponentServlet.java:56)
>>     at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
>>     at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
>>     at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>     at
>> org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:597)
>>     at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
>>     at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>     at
>> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
>>     at
>> org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:471)
>>     at
>> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:369)
>>     at
>> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:329)
>>     at
>> org.sakaiproject.tool.impl.ActiveToolComponent$MyActiveTool.forward(ActiveToolComponent.java:512)
>>     at
>> org.sakaiproject.portal.charon.SkinnableCharonPortal.forwardTool(SkinnableCharonPortal.java:1170)
>>     at
>> org.sakaiproject.portal.charon.handlers.ToolHandler.doTool(ToolHandler.java:212)
>>     at
>> org.sakaiproject.portal.charon.handlers.ToolHandler.doGet(ToolHandler.java:96)
>>     at
>> org.sakaiproject.portal.charon.SkinnableCharonPortal.doGet(SkinnableCharonPortal.java:730)
>>     at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
>>     at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
>>     at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
>>     at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>     at
>> org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:658)
>>     at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
>>     at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>     at
>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
>>     at
>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
>>     at
>> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
>>     at
>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
>>     at
>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
>>     at
>> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
>>     at
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
>>     at
>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:399)
>>     at
>> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:317)
>>     at
>> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:204)
>>     at
>> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:311)
>>     at
>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>>     at
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>>     at java.lang.Thread.run(Thread.java:662)
>>
>>
>>
>>  Om investigating the issue it seems that the Lucene IndexReader has
>> closed on this node. I am not sure entirely how this has happened but there
>> must be some background process that has led to this state.
>>
>> Also the local index-import folder of this node had a file named
>> deleteOnClose  in all folders. This was not the case with other nodes. It
>> appears that this file gets written to the folders during the optimization
>> activity as a marker for segments that are to be deleted. The actual delete
>> seems to happen in a separate cycle which I think don't think happened for
>> this node.
>>
>>  I restarted the tomcat on this node and rebuild the indexes. Now
>> everything seems to be normal again.
>>
>>  The root cause of this issue, however is still not clear to me. I am not
>> sure if this would not happen again on some node.
>>
>>  Please provide some pointers on this. All help will be greatly
>> appreciated.
>>
>>  Regards,
>> Tushar
>>
>>
>>
>>
>>
>>
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>
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