You're missing the query to do the join on:
fq={!join from=parent_id to=child_id fromIndex=core2}*:*
We should have a better error message rather than a NPE of course...
-Yonik
http://lucidworks.com
On Fri, Feb 1, 2013 at 3:45 PM, Marcin Rzewucki <mrzewu...@gmail.com> wrote:
> Check below if that's better for you:
> http://pastebin.com/ardqNcC7
>
>
> On 1 February 2013 21:25, Marcin Rzewucki <mrzewu...@gmail.com> wrote:
>
>> Hi,
>>
>> I was trying to join documents across cores on same shard in SolrCloud4.1
>> and I got this error:
>>
>> java.lang.NullPointerException at
>> org.apache.solr.search.JoinQuery.hashCode(JoinQParserPlugin.java:575) at
>> java.util.AbstractList.hashCode(Unknown Source) at
>> org.apache.solr.search.QueryResultKey.<init>(QueryResultKey.java:50) at
>> org.apache.solr.search.SolrIndexSearcher.getDocListC(SolrIndexSearcher.java:1218)
>> at
>> org.apache.solr.search.SolrIndexSearcher.search(SolrIndexSearcher.java:401)
>> at
>> org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:410)
>> 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:1816) at
>> org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:448)
>> at
>> org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:269)
>> at
>> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1307)
>> at
>> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:453)
>> at
>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
>> at
>> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:560)
>> at
>> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
>> at
>> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1072)
>> at
>> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:382)
>> at
>> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
>> at
>> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1006)
>> at
>> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
>> at
>> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:255)
>> at
>> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:154)
>> at
>> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
>> at org.eclipse.jetty.server.Server.handle(Server.java:365) at
>> org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:485)
>> at
>> org.eclipse.jetty.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:53)
>> at
>> org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:926)
>> at
>> org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:988)
>> at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:635) at
>> org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235) 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(Unknown Source)
>>
>> My query:
>> /core1/select?q=**:**&fq={!join from=parent_id to=child_id
>> fromIndex=core2}
>>
>> Any clues where the issue is ?
>>
>> Regards.
>>
>>
