Hi Christian,

Could you give a little more information, please. After a restart of tomcat, 
how much activity has happened before problems start? and what was that 
activity?

Gert


On 19/04/2012, at 09.05, Christian Rohrer wrote:

> Hi list
> 
> I have recently upgraded our Fedora installation to 3.5 and GSearch (using 
> Lucene) to 2.4.1.
> 
> Since this upgrade GSearch causes us problems. It keeps opening connections 
> to the segmentation files, which remain open until the OS limit is reached, 
> after which a restart of Tomcat is needed in order to close all open 
> connection of GSearch. Has anybody else observed this behavior?
> 
> The other unusual thing (might be related?) are locks that throw error 
> messages in the form:
> 
> dk.defxws.fedoragsearch.server.errors.GenericSearchException: Thu Apr 19 
> 09:02:45 CEST 2012 IndexWriter new error indexName=ChorIndex :
> ; nested exception is: 
>       org.apache.lucene.store.LockObtainFailedException: Lock obtain timed 
> out: NativeFSLock@/opt/fedora35/indexer/ChorIndex/write.lock
>       at 
> dk.defxws.fgslucene.OperationsImpl.getIndexWriter(OperationsImpl.java:695)
>       at 
> dk.defxws.fgslucene.OperationsImpl.browseIndex(OperationsImpl.java:151)
>       at 
> dk.defxws.fedoragsearch.server.RESTImpl.browseIndex(RESTImpl.java:267)
>       at dk.defxws.fedoragsearch.server.RESTImpl.doGet(RESTImpl.java:140)
>       at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
>       at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>       at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>       at 
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>       at 
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>       at 
> org.apache.catalina.valves.RequestFilterValve.process(RequestFilterValve.java:316)
>       at 
> org.apache.catalina.valves.RemoteAddrValve.invoke(RemoteAddrValve.java:81)
>       at 
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
>       at 
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
>       at 
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>       at 
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
>       at 
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
>       at 
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
>       at 
> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
>       at java.lang.Thread.run(Thread.java:636)
> Caused by: org.apache.lucene.store.LockObtainFailedException: Lock obtain 
> timed out: NativeFSLock@/opt/fedora35/indexer/ChorIndex/write.lock
>       at org.apache.lucene.store.Lock.obtain(Lock.java:84)
>       at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:1108)
>       at 
> dk.defxws.fgslucene.OperationsImpl.getIndexWriter(OperationsImpl.java:693)
>       ... 19 more
> 
> 
> Any ideas what could be the cause for this?
> 
> Best regards
> christian
> 
> 
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