We are on solr 1.3, and we use the default jetty server, which is included
in the solr 1.3 download package.

The java version is:
java version "1.5.0_12"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_12-b04)
Java HotSpot(TM) 64-Bit Server VM (build 1.5.0_12-b04, mixed mode)

I checked the log files under logs and solr/logs, but don't see any error. 
Would you please let me know how to get the stack trace from the solr logs?

Appreciate your help.

Qingdi


Yonik Seeley-2 wrote:
> 
> What system and JVM was this using?
> Also, could you get the stack trace directly from the Solr logs and post
> it?
> 
> -Yonik
> 
> On Thu, Jan 29, 2009 at 4:06 PM, Qingdi <qin...@nextbio.com> wrote:
>>
>> We got the following background_merge_hit_exception during optimization:
>> exception:
>> )background_merge_hit_exception__4zsgC136887658__50nfC995992__51i9C995977__52d5C995968__537yC995999__54xmC1892345__54xlC99593_into__54xn_optimize__javaioIOException_background_merge_hit_exception__4zsgC136887658__50nfC995992__51i9C995977__52d5C995968__537yC995999__54xmC1892345__54xlC99593_into__54xn_optimize__at_orgapacheluceneindexIndexWriteroptimizeIndexWriterjava2346__at_orgapacheluceneindexIndexWriteroptimizeIndexWriterjava2280__at_orgapachesolrupdateDirectUpdateHandler2commitDirectUpdateHandler2java355__at_orgapachesolrupdateprocessorRunUpdateProcessorprocessCommitRunUpdateProcessorFactoryjava77__at_orgapachesolrhandlerRequestHandlerUtilshandleCommitRequestHandlerUtilsjava104__at_orgapachesolrhandlerXmlUpdateRequestHandlerhandleRequestBodyXmlUpdateRequestHandlerjava113__at_orgapachesolrhandlerRequestHandlerBasehandleRequestRequestHandlerBasejava131__at_orgapachesolrcoreSolrCoreexecuteSolrCorejava1204__at_orgapachesolrservletSolrDispatchFilterexecuteSolrDispatchFilterjava303__at_orgapachesolrservletSolrDispatchFilterdoFilterSolrDispatchFilterjava232__at_orgmortbayjettyservletServletHandler$CachedChaindoFilterServletHandlerjava1089__at_orgmortbayjettyservletServletHandlerhandleServletHandlerjava365__at_orgmortbayjettysecuritySecurityHandlerhandleSecurityHandlerjava216__at_orgmortbayjettyservletSessionHandlerhandleSessionHandlerjava181__at_orgmortbayjettyhandlerContextHandlerhandleContextHandlerjava712__at_orgmortbayjettywebappWebAppContexthandleWebAppContextjava405__at_orgmortbayjettyhandlerContextHandlerCollectionhandleContextHandlerCollectionjava211__at_orgmortbayjettyhandlerHandlerCollectionhandleHandlerCollectionjava114__at_orgmortbayjettyhandlerHandlerWrapperhandleHandlerWrapperjava139__at_orgmortbayjettyServerhandleServerjava285__at_orgmortbayjettyHttpConnectionhandleRequestHttpConnectionjava502__a
>>
>> Does anyone know what could be the cause of the exception? what should we
>> do
>> to prevent this type of exception?
>>
>> Some posts in the Lucene forum say the exception is usually related with
>> disk space issue. But there should be enough disk space in our system.
>> Our
>> index size was about 56G. And before optimization, the disk had about
>> 360G
>> free space.
>>
>> After the above background_merge_hit_exception raised, solr kept
>> generating
>> new segment files, which ate up all the CPU time and the disk space, so
>> we
>> had to kill the solr server.
>>
>> Thanks for your help.
>>
>> Qingdi
>>
>>
>> --
>> View this message in context:
>> http://www.nabble.com/got-background_merge_hit_exception-during-optimization-tp21735847p21735847.html
>> Sent from the Solr - User mailing list archive at Nabble.com.
>>
>>
> 
> 

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