Your join should be:
{!join from=id to=C_pid_s}
On 22 May 2017 at 14:07, mganeshs <mgane...@live.in> wrote:
> Hi,
>
> I have following records / documents with Parent entity
>
> id,type_s,P_hid_s,P_name_s,P_pid_s
> 1000000001,PERSON,1000000001,Parent1,1000000001
>
> And following records / documents with child entity
>
> id,type_s,C_hid_s,C_name_s,C_pid_s
> 1000000002,PERSON,1000000002,Child2,1000000001
> 1000000003,PERSON,1000000003,Child3,1000000001
> 1000000004,PERSON,1000000004,Child4,1000000001
>
> Now when I try to join and get all children of parent1 whose id is
> 1000000001,
>
> http://localhost:8983/solr/basicns/select?indent=on&q={!join from id to
> C_pid_s} type_s:PERSON&wt=json
>
>
> I get following exception
> "error":{
> "trace":"java.lang.NullPointerException\r\n\tat
> org.apache.solr.search.JoinQuery.hashCode(JoinQParserPlugin.java:525)\r\
> n\tat
> org.apache.solr.search.QueryResultKey.<init>(QueryResultKey.java:46)\r\n\
> tat
> org.apache.solr.search.SolrIndexSearcher.getDocListC(
> SolrIndexSearcher.java:1754)\r\n\tat
> org.apache.solr.search.SolrIndexSearcher.search(
> SolrIndexSearcher.java:609)\r\n\tat
> org.apache.solr.handler.component.QueryComponent.
> process(QueryComponent.java:547)\r\n\tat
> org.apache.solr.handler.component.SearchHandler.handleRequestBody(
> SearchHandler.java:295)\r\n\tat
> org.apache.solr.handler.RequestHandlerBase.handleRequest(
> RequestHandlerBase.java:173)\r\n\tat
> org.apache.solr.core.SolrCore.execute(SolrCore.java:2440)\r\n\tat
> org.apache.solr.servlet.HttpSolrCall.execute(
> HttpSolrCall.java:723)\r\n\tat
> org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:529)\r\n\tat
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(
> SolrDispatchFilter.java:347)\r\n\tat
> org.apache.solr.servlet.SolrDispatchFilter.doFilter(
> SolrDispatchFilter.java:298)\r\n\tat
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.
> doFilter(ServletHandler.java:1691)\r\n\tat
> org.eclipse.jetty.servlet.ServletHandler.doHandle(
> ServletHandler.java:582)\r\n\tat
> org.eclipse.jetty.server.handler.ScopedHandler.handle(
> ScopedHandler.java:143)\r\n\tat
> org.eclipse.jetty.security.SecurityHandler.handle(
> SecurityHandler.java:548)\r\n\tat
> org.eclipse.jetty.server.session.SessionHandler.
> doHandle(SessionHandler.java:226)\r\n\tat
> org.eclipse.jetty.server.handler.ContextHandler.
> doHandle(ContextHandler.java:1180)\r\n\tat
> org.eclipse.jetty.servlet.ServletHandler.doScope(
> ServletHandler.java:512)\r\n\tat
> org.eclipse.jetty.server.session.SessionHandler.
> doScope(SessionHandler.java:185)\r\n\tat
> org.eclipse.jetty.server.handler.ContextHandler.
> doScope(ContextHandler.java:1112)\r\n\tat
> org.eclipse.jetty.server.handler.ScopedHandler.handle(
> ScopedHandler.java:141)\r\n\tat
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(
> ContextHandlerCollection.java:213)\r\n\tat
> org.eclipse.jetty.server.handler.HandlerCollection.
> handle(HandlerCollection.java:119)\r\n\tat
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(
> HandlerWrapper.java:134)\r\n\tat
> org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(
> RewriteHandler.java:335)\r\n\tat
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(
> HandlerWrapper.java:134)\r\n\tat
> org.eclipse.jetty.server.Server.handle(Server.java:534)\r\n\tat
> org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)\r\n\tat
> org.eclipse.jetty.server.HttpConnection.onFillable(
> HttpConnection.java:251)\r\n\tat
> org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(
> AbstractConnection.java:273)\r\n\tat
> org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)\r\n\tat
> org.eclipse.jetty.io.SelectChannelEndPoint$2.run(
> SelectChannelEndPoint.java:93)\r\n\tat
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.
> executeProduceConsume(ExecuteProduceConsume.java:303)\r\n\tat
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.
> produceConsume(ExecuteProduceConsume.java:148)\r\n\tat
> org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(
> ExecuteProduceConsume.java:136)\r\n\tat
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(
> QueuedThreadPool.java:671)\r\n\tat
> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(
> QueuedThreadPool.java:589)\r\n\tat
> java.lang.Thread.run(Thread.java:745)\r\n",
> "code":500}}
>
>
> Is there a bug in 6.5? or something going wrong. I have used basic config
> comes with example and created collection with one shard only and not using
> multiple shards.
>
> Early response will be very much appreciated....
>
>
>
>
>
>
> --
> View this message in context: http://lucene.472066.n3.
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> Sent from the Solr - User mailing list archive at Nabble.com.
>
