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.nabble.com/Join-not-working-in-Solr-6-5-tp4336247.html Sent from the Solr - User mailing list archive at Nabble.com.
