Solr version 8.4. I’m getting an unexplanetory NullPointerException when executing a simple 2 level nodes stream, do you have any idea what may cause this?
I tried setting /stream?partialResults=true&shards.tolerant=true and shards.tolerant=true in nodes expressions, with no luck. I also tried reading source of GatherNodesStream in branch 8_4, but couldn’t understand it. Here is a beautiful stack trace: solr | 2021-01-21 22:00:12.726 ERROR (qtp832292933-25149) [c:WorkerCollection s:shard1 r:core_node10 x:WorkerCollection_shard1_replica_n9] o.a.s.c.s.i.s.ExceptionStream java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.RuntimeException: java.lang.NullPointerException solr | at org.apache.solr.client.solrj.io.graph.GatherNodesStream.read(GatherNodesStream.java:607) solr | at org.apache.solr.client.solrj.io.stream.ExceptionStream.read(ExceptionStream.java:71) solr | at org.apache.solr.handler.StreamHandler$TimerStream.read(StreamHandler.java:454) solr | at org.apache.solr.client.solrj.io.stream.TupleStream.lambda$writeMap$0(TupleStream.java:84) solr | at org.apache.solr.common.util.JsonTextWriter.writeIterator(JsonTextWriter.java:141) solr | at org.apache.solr.common.util.TextWriter.writeVal(TextWriter.java:67) solr | at org.apache.solr.response.TextResponseWriter.writeVal(TextResponseWriter.java:152) solr | at org.apache.solr.common.util.JsonTextWriter$2.put(JsonTextWriter.java:176) solr | at org.apache.solr.client.solrj.io.stream.TupleStream.writeMap(TupleStream.java:81) solr | at org.apache.solr.common.util.JsonTextWriter.writeMap(JsonTextWriter.java:164) solr | at org.apache.solr.common.util.TextWriter.writeVal(TextWriter.java:69) solr | at org.apache.solr.response.TextResponseWriter.writeVal(TextResponseWriter.java:152) solr | at org.apache.solr.common.util.JsonTextWriter.writeNamedListAsMapWithDups(JsonTextWriter.java:386) solr | at org.apache.solr.common.util.JsonTextWriter.writeNamedList(JsonTextWriter.java:292) solr | at org.apache.solr.response.JSONWriter.writeResponse(JSONWriter.java:73) solr | at org.apache.solr.response.JSONResponseWriter.write(JSONResponseWriter.java:66) solr | at org.apache.solr.response.QueryResponseWriterUtil.writeQueryResponse(QueryResponseWriterUtil.java:65) solr | at org.apache.solr.servlet.HttpSolrCall.writeResponse(HttpSolrCall.java:892) solr | at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:594) solr | at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:419) solr | at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:351) solr | at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610) solr | at org.eclipse.jetty.servlets.CrossOriginFilter.handle(CrossOriginFilter.java:311) solr | at org.eclipse.jetty.servlets.CrossOriginFilter.doFilter(CrossOriginFilter.java:265) solr | at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602) solr | at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540) solr | at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146) solr | at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) solr | at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) solr | at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257) solr | at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1711) solr | at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) solr | at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1347) solr | at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203) solr | at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480) solr | at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1678) solr | at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201) solr | at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1249) solr | at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144) solr | at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220) solr | at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:152) solr | at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) solr | at org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:335) solr | at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) solr | at org.eclipse.jetty.server.Server.handle(Server.java:505) solr | at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:370) solr | at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:267) solr | at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305) solr | at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103) solr | at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117) solr | at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333) solr | at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310) solr | at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168) solr | at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126) solr | at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366) solr | at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:781) solr | at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:917) solr | at java.base/java.lang.Thread.run(Thread.java:834) solr | Caused by: java.util.concurrent.ExecutionException: java.lang.RuntimeException: java.lang.NullPointerException solr | at java.base/java.util.concurrent.FutureTask.report(FutureTask.java:122) solr | at java.base/java.util.concurrent.FutureTask.get(FutureTask.java:191) solr | at org.apache.solr.client.solrj.io.graph.GatherNodesStream.read(GatherNodesStream.java:579) solr | ... 57 more solr | Caused by: java.lang.RuntimeException: java.lang.NullPointerException solr | at org.apache.solr.client.solrj.io.graph.GatherNodesStream$JoinRunner.call(GatherNodesStream.java:499) solr | at org.apache.solr.client.solrj.io.graph.GatherNodesStream$JoinRunner.call(GatherNodesStream.java:412) solr | at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) solr | at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:210) solr | at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) solr | at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) solr | ... 1 more solr | Caused by: java.lang.NullPointerException solr | at org.apache.solr.client.solrj.io.graph.GatherNodesStream$JoinRunner.call(GatherNodesStream.java:497) solr | ... 6 more Sent from Mail for Windows 10
