[SOLR-11922] parallel - cartesianProduct

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 6.6.2
• Component/s: Parallel SQL, streaming expressions
• Assignee: Unassigned
• Reporter: Robson Koji
• Created: 29/Jan/18 16:12
• Updated: 08/Jun/19 15:15

Description

Fix CartesianProductStream in order to run Parallel:

parallel(
   cartesianProduct(
    search(

 

When trying to run que streaming expression above, Solr raises the error bellow:

 

java.io.IOException: java.lang.NullPointerException
    at org.apache.solr.client.solrj.io.stream.ParallelStream.constructStreams(ParallelStream.java:277)
    at org.apache.solr.client.solrj.io.stream.CloudSolrStream.open(CloudSolrStream.java:305)
    at org.apache.solr.client.solrj.io.stream.ExceptionStream.open(ExceptionStream.java:51)
    at org.apache.solr.handler.StreamHandler$TimerStream.open(StreamHandler.java:535)
    at org.apache.solr.client.solrj.io.stream.TupleStream.writeMap(TupleStream.java:83)
    at org.apache.solr.response.JSONWriter.writeMap(JSONResponseWriter.java:547)
    at org.apache.solr.response.TextResponseWriter.writeVal(TextResponseWriter.java:193)
    at org.apache.solr.response.JSONWriter.writeNamedListAsMapWithDups(JSONResponseWriter.java:209)
    at org.apache.solr.response.JSONWriter.writeNamedList(JSONResponseWriter.java:325)
    at org.apache.solr.response.JSONWriter.writeResponse(JSONResponseWriter.java:120)
    at org.apache.solr.response.JSONResponseWriter.write(JSONResponseWriter.java:71)
    at org.apache.solr.response.QueryResponseWriterUtil.writeQueryResponse(QueryResponseWriterUtil.java:65)
    at org.apache.solr.servlet.HttpSolrCall.writeResponse(HttpSolrCall.java:809)
    at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:538)
    at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:361)
    at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:305)
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1691)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
    at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
    at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
    at org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:335)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
    at org.eclipse.jetty.server.Server.handle(Server.java:534)
    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)
    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273)
    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)
    at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
    at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
    at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
    at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
    at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
    at org.apache.solr.client.solrj.io.stream.CartesianProductStream.toExpression(CartesianProductStream.java:154)
    at org.apache.solr.client.solrj.io.stream.CartesianProductStream.toExpression(CartesianProductStream.java:134)
    at org.apache.solr.client.solrj.io.stream.CartesianProductStream.toExpression(CartesianProductStream.java:44)
    at org.apache.solr.client.solrj.io.stream.ParallelStream.constructStreams(ParallelStream.java:255)