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Posted to solr-user@lucene.apache.org by Joe Calderon <ca...@gmail.com> on 2009/10/26 23:51:35 UTC

field collapsing exception

found another exception, i cant find specific steps to reproduce
besides starting with an unfiltered result and then given an int field
with values (1,2,3) filtering by 3 triggers it sometimes, this is in
an index with very frequent updates and deletes


--joe


java.lang.NullPointerException
	at org.apache.solr.search.fieldcollapse.collector.FieldValueCountCollapseCollectorFactory$FieldValueCountCollapseCollector.getResult(FieldValueCountCollapseCollectorFactory.java:84)
	at org.apache.solr.search.fieldcollapse.AbstractDocumentCollapser.getCollapseInfo(AbstractDocumentCollapser.java:191)
	at org.apache.solr.handler.component.CollapseComponent.doProcess(CollapseComponent.java:179)
	at org.apache.solr.handler.component.CollapseComponent.process(CollapseComponent.java:121)
	at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:195)
	at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
	at org.apache.solr.core.RequestHandlers$LazyRequestHandlerWrapper.handleRequest(RequestHandlers.java:233)
	at org.apache.solr.core.SolrCore.execute(SolrCore.java:1316)
	at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:338)
	at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:241)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1148)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:387)
	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:417)
	at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
	at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
	at org.mortbay.jetty.Server.handle(Server.java:326)
	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:534)
	at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:864)
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:539)
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
	at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
	at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:520)

Re: field collapsing exception

Posted by Martijn v Groningen <ma...@gmail.com>.
I have attached a new patch to SOLR-236 that fixes this issue.

Cheers,

Martijn

2009/10/27 Martijn v Groningen <ma...@gmail.com>:
> Hi Joe,
>
> Ok that is not good. A took a look at it and this would mean that the
> variable docHeadCollapseGroupAssoc (declared at line 80 in
> FieldValueCountCollapseCollectorFactory) is null. I always thought
> that the variable was set, but that is not the case when no documents
> are being collapsed. I will update the patch shortly.
>
> Martijn
>
> 2009/10/26 Joe Calderon <ca...@gmail.com>:
>> found another exception, i cant find specific steps to reproduce
>> besides starting with an unfiltered result and then given an int field
>> with values (1,2,3) filtering by 3 triggers it sometimes, this is in
>> an index with very frequent updates and deletes
>>
>>
>> --joe
>>
>>
>> java.lang.NullPointerException
>>        at org.apache.solr.search.fieldcollapse.collector.FieldValueCountCollapseCollectorFactory$FieldValueCountCollapseCollector.getResult(FieldValueCountCollapseCollectorFactory.java:84)
>>        at org.apache.solr.search.fieldcollapse.AbstractDocumentCollapser.getCollapseInfo(AbstractDocumentCollapser.java:191)
>>        at org.apache.solr.handler.component.CollapseComponent.doProcess(CollapseComponent.java:179)
>>        at org.apache.solr.handler.component.CollapseComponent.process(CollapseComponent.java:121)
>>        at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:195)
>>        at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
>>        at org.apache.solr.core.RequestHandlers$LazyRequestHandlerWrapper.handleRequest(RequestHandlers.java:233)
>>        at org.apache.solr.core.SolrCore.execute(SolrCore.java:1316)
>>        at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:338)
>>        at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:241)
>>        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1148)
>>        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:387)
>>        at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
>>        at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
>>        at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
>>        at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:417)
>>        at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
>>        at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
>>        at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
>>        at org.mortbay.jetty.Server.handle(Server.java:326)
>>        at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:534)
>>        at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:864)
>>        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:539)
>>        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
>>        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
>>        at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
>>        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:520)
>>
>
>
>
> --
> Met vriendelijke groet,
>
> Martijn van Groningen
>



-- 
Met vriendelijke groet,

Martijn van Groningen

Re: field collapsing exception

Posted by Martijn v Groningen <ma...@gmail.com>.
Hi Joe,

Ok that is not good. A took a look at it and this would mean that the
variable docHeadCollapseGroupAssoc (declared at line 80 in
FieldValueCountCollapseCollectorFactory) is null. I always thought
that the variable was set, but that is not the case when no documents
are being collapsed. I will update the patch shortly.

Martijn

2009/10/26 Joe Calderon <ca...@gmail.com>:
> found another exception, i cant find specific steps to reproduce
> besides starting with an unfiltered result and then given an int field
> with values (1,2,3) filtering by 3 triggers it sometimes, this is in
> an index with very frequent updates and deletes
>
>
> --joe
>
>
> java.lang.NullPointerException
>        at org.apache.solr.search.fieldcollapse.collector.FieldValueCountCollapseCollectorFactory$FieldValueCountCollapseCollector.getResult(FieldValueCountCollapseCollectorFactory.java:84)
>        at org.apache.solr.search.fieldcollapse.AbstractDocumentCollapser.getCollapseInfo(AbstractDocumentCollapser.java:191)
>        at org.apache.solr.handler.component.CollapseComponent.doProcess(CollapseComponent.java:179)
>        at org.apache.solr.handler.component.CollapseComponent.process(CollapseComponent.java:121)
>        at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:195)
>        at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
>        at org.apache.solr.core.RequestHandlers$LazyRequestHandlerWrapper.handleRequest(RequestHandlers.java:233)
>        at org.apache.solr.core.SolrCore.execute(SolrCore.java:1316)
>        at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:338)
>        at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:241)
>        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1148)
>        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:387)
>        at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
>        at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
>        at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
>        at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:417)
>        at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
>        at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
>        at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
>        at org.mortbay.jetty.Server.handle(Server.java:326)
>        at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:534)
>        at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:864)
>        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:539)
>        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
>        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
>        at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
>        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:520)
>



-- 
Met vriendelijke groet,

Martijn van Groningen