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From "Ravi Kiran Bhaskar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-4743) Group query crashes server
Date Sat, 27 Apr 2013 00:28:17 GMT

    [ https://issues.apache.org/jira/browse/SOLR-4743?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13643419#comment-13643419
] 

Ravi Kiran Bhaskar commented on SOLR-4743:
------------------------------------------

After a bit more debugging figured out that the issue is not related to group query at all
but is closely linked to the empty queries hat I talked about. I am unable to figure out how
and why SOLR is swallowing the query params, is it related to SOLR-4266 in any way ?
                
> Group query crashes server
> --------------------------
>
>                 Key: SOLR-4743
>                 URL: https://issues.apache.org/jira/browse/SOLR-4743
>             Project: Solr
>          Issue Type: Bug
>          Components: search
>    Affects Versions: 3.6.2
>         Environment: CentOS release 5.9, Sun GlassFish Enterprise Server v2.1.1 Patch15
>            Reporter: Ravi Kiran Bhaskar
>            Priority: Critical
>         Attachments: server.log_2013-04-20T09-53-28, solrconf.xml
>
>
> If you specify group=true but don't specify group.query or group.field SOLR throws a
SEVERE exception following which we see the empty queries and finally no responses via solrj
and admin console gives numFound always equal to total number of docs in index (it's 21692
as shown below). Looks like the searcher goes for a spin once it encounters the exception.
Such situation should have been gracefully handled
> EXCEPTION and QUERY
> --------------------
> [#|2013-04-19T23:47:53.363-0400|SEVERE|sun-appserver2.1.1|org.apache.solr.core.SolrCore|_ThreadID=26;_ThreadName=httpSSLWorkerThread-9001-17;_RequestID=2f
> 933642-cad0-40e5-86c6-65b00be9bb97;|org.apache.solr.common.SolrException: Specify at
least one field, function or query to group by.
> at org.apache.solr.search.Grouping.execute(Grouping.java:228)
> at org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:372)
> at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:186)
> at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:129)
> at org.apache.solr.core.SolrCore.execute(SolrCore.java:1376)
> at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:365)
> at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:260)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:313)
> at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:287)
> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:218)
> at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
> at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
> at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94)
> at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:98)
> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:222)
> at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
> at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
> at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587)
> at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1093)
> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:166)
> at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648)
> at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593)
> at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587)
> at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1093)
> at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:291)
> at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:670)
> at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:601)
> at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:875)
> at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:365)
> at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:285)
> at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:221)
> at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:269)
> at com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:111)
> |#]
> [#|2013-04-19T23:47:53.365-0400|INFO|sun-appserver2.1.1|org.apache.solr.core.SolrCore|_ThreadID=26;_ThreadName=httpSSLWorkerThread-9001-17;|[core1]
webapp=/solr path=/select params={q=astronomy\+&rows=10&start=0&facet=true&fq=source:"xxx.com"&fq=locations:("Maryland")&sort=score+desc&group=true}
status=400 QTime=9 |#]
> EMPTY QUERY
> ------------
> [#|2013-04-20T17:35:50.933-0400|INFO|sun-appserver2.1.1|org.apache.solr.core.SolrCore|_ThreadID=26;_ThreadName=httpSSLWorkerThread-9001-6;|[core1]
webapp=/solr path=/select params={} hits=21692 status=0 QTime=16 |#]

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