Solr
  1. Solr
  2. SOLR-4150

NPE in distributed result grouping if group.query has no results

    Details

    • Type: Bug Bug
    • Status: Closed
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: 4.0
    • Fix Version/s: 4.1
    • Component/s: SolrCloud
    • Labels:
      None

      Description

      If group.query has no results in a distributed search, there is an NPE in the front-end:

      Dec 5, 2012 10:40:31 PM org.apache.solr.core.SolrCore execute
      INFO: [collection1] webapp=/solr path=/select params={debugQuery=true&group.ngroups=true&fl=thing,eventid&indent=true&q=thing:("CODE:20517")&group.field=eventid&group.query=thing:CODE*&group=true&wt=json&fq=source:somewhere} status=500 QTime=745 
      Dec 5, 2012 10:40:31 PM org.apache.solr.common.SolrException log
      SEVERE: null:java.lang.NullPointerException
      	at org.apache.solr.search.grouping.distributed.shardresultserializer.TopGroupsResultTransformer.transformToNative(TopGroupsResultTransformer.java:110)
      	at org.apache.solr.search.grouping.distributed.responseprocessor.TopGroupsShardResponseProcessor.process(TopGroupsShardResponseProcessor.java:80)
      	at org.apache.solr.handler.component.QueryComponent.handleGroupedResponses(QueryComponent.java:620)
      	at org.apache.solr.handler.component.QueryComponent.handleResponses(QueryComponent.java:603)
      	at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:309)
      	at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:129)
      	at org.apache.solr.core.SolrCore.execute(SolrCore.java:1699)
      	at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:455)
      	at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:276)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1337)
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:484)
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:524)
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:233)
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1065)
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:413)
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:192)
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:999)
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:250)
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149)
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:111)
      	at org.eclipse.jetty.server.Server.handle(Server.java:351)
      	at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:454)
      	at org.eclipse.jetty.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:47)
      	at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:890)
      	at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:944)
      	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:634)
      	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:230)
      	at org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:66)
      	at org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:254)
      	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:599)
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:534)
      	at java.lang.Thread.run(Thread.java:662)
      

      (This is in sharding, maybe not a SolrCloud problem.)

        Issue Links

          Activity

          Lance Norskog created issue -
          Tommaso Teofili made changes -
          Field Original Value New Value
          Status Open [ 1 ] Resolved [ 5 ]
          Assignee Tommaso Teofili [ teofili ]
          Fix Version/s 4.1 [ 12321141 ]
          Resolution Fixed [ 1 ]
          Hoss Man made changes -
          Attachment SOLR-4150.test.patch [ 12560829 ]
          Hoss Man made changes -
          Link This issue is related to SOLR-4181 [ SOLR-4181 ]
          Steve Rowe made changes -
          Status Resolved [ 5 ] Closed [ 6 ]

            People

            • Assignee:
              Tommaso Teofili
              Reporter:
              Lance Norskog
            • Votes:
              0 Vote for this issue
              Watchers:
              2 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved:

                Development