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https://issues.apache.org/jira/browse/SOLR-4743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ravi Kiran Bhaskar updated SOLR-4743:
-------------------------------------
Attachment: (was: server.log_2013-04-20T09-53-28)
> 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
>
>
> 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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