[jira] [Created] (SOLR-5438) DebugComponent throws NPE when used with grouping

["Tomás Fernández Löbbe (JIRA)" <ji...@apache.org>]

Tomás Fernández Löbbe created SOLR-5438:
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             Summary: DebugComponent throws NPE when used with grouping
                 Key: SOLR-5438
                 URL: https://issues.apache.org/jira/browse/SOLR-5438
             Project: Solr
          Issue Type: Bug
            Reporter: Tomás Fernández Löbbe


To Reproduce: 
start trunk example
Run query:  http://localhost:8983/solr/select?q=test&debug=true&group=true&group.field=inStock&distrib=true&shards=localhost:8983/solr,localhost:8983/solr

DebugComponent throws a NPE like: 
{noformat}
83841 [qtp1070887245-16] ERROR org.apache.solr.servlet.SolrDispatchFilter  – null:java.lang.NullPointerException
at org.apache.solr.handler.component.DebugComponent.process(DebugComponent.java:66)
at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:216)
at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:135)
at org.apache.solr.core.SolrCore.execute(SolrCore.java:1859)
at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:703)
at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:406)
at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:195)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1419)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:455)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1075)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:384)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1009)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:154)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
at org.eclipse.jetty.server.Server.handle(Server.java:368)
at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
at org.eclipse.jetty.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:53)
at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:953)
at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1014)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:861)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240)
at org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:72)
at org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:264)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
at java.lang.Thread.run(Thread.java:722)
{noformat}
Seems like some internal requests when using grouping don't populate ResponseBuilder.results. 



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