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From Martijn v Groningen <martijn.v.gronin...@gmail.com>
Subject Re: NPE in JSONWriter using Distributed Search w/Grouping
Date Fri, 11 Nov 2011 21:45:59 GMT
This does seems like a bug. I think you can open an issue. Can you
also add the exact query that causes this error in the issue?

Martijn

On 11 November 2011 22:14, Michael <youamuseme@gmail.com> wrote:
> Hello -
> I am doing some testing with a nightly build from 11/4/2011 and I regularly
> encounter an NPE in the JSONWriter when performing a distributed search with
> grouping on a single numeric field.  The same searches non-disributed to not
> encounter this issue.  None of the individual shards log any sort of error,
> however the server that is distributing the search logs the following stack
> trace fairly regular and returns a 500 error:
> Nov 11, 2011 12:30:01 PM org.apache.solr.common.SolrException log
> SEVERE: java.lang.NullPointerException
>         at
> org.apache.solr.response.JSONWriter.writeSolrDocument(JSONResponseWriter.java:320)
>         at
> org.apache.solr.response.TextResponseWriter.writeSolrDocumentList(TextResponseWriter.java:201)
>         at
> org.apache.solr.response.TextResponseWriter.writeVal(TextResponseWriter.java:169)
>         at
> org.apache.solr.response.JSONWriter.writeNamedListAsMapWithDups(JSONResponseWriter.java:174)
>         at
> org.apache.solr.response.JSONWriter.writeNamedList(JSONResponseWriter.java:290)
>         at
> org.apache.solr.response.TextResponseWriter.writeVal(TextResponseWriter.java:173)
>         at
> org.apache.solr.response.JSONWriter.writeArray(JSONResponseWriter.java:522)
>         at
> org.apache.solr.response.TextResponseWriter.writeVal(TextResponseWriter.java:175)
>         at
> org.apache.solr.response.JSONWriter.writeNamedListAsMapWithDups(JSONResponseWriter.java:174)
>         at
> org.apache.solr.response.JSONWriter.writeNamedList(JSONResponseWriter.java:290)
>         at
> org.apache.solr.response.TextResponseWriter.writeVal(TextResponseWriter.java:173)
>         at
> org.apache.solr.response.JSONWriter.writeNamedListAsMapWithDups(JSONResponseWriter.java:174)
>         at
> org.apache.solr.response.JSONWriter.writeNamedList(JSONResponseWriter.java:294)
>         at
> org.apache.solr.response.TextResponseWriter.writeVal(TextResponseWriter.java:173)
>         at
> org.apache.solr.response.JSONWriter.writeNamedListAsMapWithDups(JSONResponseWriter.java:174)
>         at
> org.apache.solr.response.JSONWriter.writeNamedList(JSONResponseWriter.java:290)
>         at
> org.apache.solr.response.JSONWriter.writeResponse(JSONResponseWriter.java:87)
>         at
> org.apache.solr.response.JSONResponseWriter.write(JSONResponseWriter.java:51)
>         at
> org.apache.solr.servlet.SolrDispatchFilter.writeResponse(SolrDispatchFilter.java:340)
>         at
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:261)
>         at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
>         at
> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
>         at
> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
>         at
> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
>         at
> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
>         at
> org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
>         at
> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
>         at
> org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
>         at
> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
>         at org.mortbay.jetty.Server.handle(Server.java:326)
>         at
> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
>         at
> org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:945)
>         at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756)
>         at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
>         at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
>         at
> org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)
>         at
> org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
> Should I create a JIRA issue for this?
> Thanks,
> Michael



-- 
Met vriendelijke groet,

Martijn van Groningen

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