Can you provide a sample expression that would be able to reproduce this? Are you able to try a newer version by chance - I know we've fixed a few NPEs recently, maybe https://issues.apache.org/jira/browse/SOLR-14700
On Thu, Jan 21, 2021 at 4:13 PM ufuk yılmaz <uyil...@vivaldi.net.invalid> wrote: > 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 > >
