[teiid-issues] [JBoss JIRA] (TEIID-5085) NullPointerException after SortUtility blocks in initialSort

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-5085?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins resolved TEIID-5085.
-----------------------------------
    Fix Version/s: 9.3.4
       Resolution: Done


This is actually due to an issue with the grouping node logic that does not save the state of whether the grouping phase is done reading.

> NullPointerException after SortUtility blocks in initialSort
> ------------------------------------------------------------
>
>                 Key: TEIID-5085
>                 URL: https://issues.jboss.org/browse/TEIID-5085
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>             Fix For: 10.0, 9.3.4
>
>
> If SortUtility blocks during the initial sort, an npe is later thrown as can be seen in TestJDBCSocketTransport.testXmlTableScrollable
> java.lang.NullPointerException
> 	at org.teiid.query.processor.relational.MergeJoinStrategy.compareToPrevious(MergeJoinStrategy.java:277)
> 	at org.teiid.query.processor.relational.MergeJoinStrategy.process(MergeJoinStrategy.java:235)
> 	at org.teiid.query.processor.relational.JoinNode.nextBatchDirect(JoinNode.java:231)
> 	at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:277)
> 	at org.teiid.query.processor.relational.LimitNode.nextBatchDirect(LimitNode.java:98)
> 	at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:277)
> 	at org.teiid.query.processor.relational.ProjectNode.nextBatchDirect(ProjectNode.java:146)
> 	at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:277)
> 	at org.teiid.query.processor.BatchCollector$BatchProducerTupleSource.nextTuple(BatchCollector.java:90)
> 	at org.teiid.query.processor.relational.GroupingNode.groupPhase(GroupingNode.java:577)
> 	at org.teiid.query.processor.relational.GroupingNode.nextBatchDirect(GroupingNode.java:373)
> 	at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:277)
> 	at org.teiid.query.processor.relational.ProjectNode.nextBatchDirect(ProjectNode.java:146)
> 	at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:277)
> 	at org.teiid.query.processor.relational.RelationalPlan.nextBatch(RelationalPlan.java:141)
> 	at org.teiid.query.processor.QueryProcessor.nextBatchDirect(QueryProcessor.java:148)
> 	at org.teiid.query.processor.QueryProcessor.nextBatch(QueryProcessor.java:111)
> 	at org.teiid.query.processor.BatchCollector.collectTuples(BatchCollector.java:160)
> 	at org.teiid.query.processor.BatchCollector.collectTuples(BatchCollector.java:142)
> 	at org.teiid.query.processor.relational.SubqueryAwareEvaluator.evaluateSubquery(SubqueryAwareEvaluator.java:354)



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