[teiid-issues] [JBoss JIRA] (TEIID-4722) TEIID30019: java.lang.AssertionError: Assertion failed assertion due to guard against a corner condition.

[Steven Hawkins (JIRA)]

    [ https://issues.jboss.org/browse/TEIID-4722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13353475#comment-13353475 ] 

Steven Hawkins commented on TEIID-4722:
---------------------------------------

I am able to reproduce this on 8.7, but not on master.  I'll see if this can be linked to a specific issue or provide a patch if not.  Master also produces a better plan, but that can be a separate issue if needed.  

> TEIID30019: java.lang.AssertionError: Assertion failed assertion due to guard against a corner condition.  
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: TEIID-4722
>                 URL: https://issues.jboss.org/browse/TEIID-4722
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>    Affects Versions: 8.7.10.6_2
>            Reporter: Johnathon Lee
>            Assignee: Steven Hawkins
>
> Assertion failure:
> {code:java}
> ERROR [org.teiid.PROCESSOR] (Worker1_QueryProcessorQueue19151) TEIID30019 Unexpected exception for request WrzxYIqVWQ8G.11: java.lang.AssertionError: Assertion failed.
> 	at org.teiid.core.util.Assertion.failed(Assertion.java:73) [teiid-common-core-8.7.10.6_2-redhat-2.jar:8.7.10.6_2-redhat-2]
> 	at org.teiid.core.util.Assertion.assertTrue(Assertion.java:68) [teiid-common-core-8.7.10.6_2-redhat-2.jar:8.7.10.6_2-redhat-2]
> 	at org.teiid.core.util.Assertion.assertTrue(Assertion.java:60) [teiid-common-core-8.7.10.6_2-redhat-2.jar:8.7.10.6_2-redhat-2]
> 	at org.teiid.query.processor.relational.MergeJoinStrategy.setProcessingSortRight(MergeJoinStrategy.java:367) [teiid-engine-8.7.10.6_2-redhat-2.jar:8.7.10.6_2-redhat-2]
> 	at org.teiid.query.processor.relational.DependentAccessNode.prepareNextCommand(DependentAccessNode.java:162) [teiid-engine-8.7.10.6_2-redhat-2.jar:8.7.10.6_2-redhat-2]
> 	at org.teiid.query.processor.relational.AccessNode.openInternal(AccessNode.java:259) [teiid-engine-8.7.10.6_2-redhat-2.jar:8.7.10.6_2-redhat-2]
> 	at org.teiid.query.processor.relational.AccessNode.nextBatchDirect(AccessNode.java:371) [teiid-engine-8.7.10.6_2-redhat-2.jar:8.7.10.6_2-redhat-2]
> 	at org.teiid.query.processor.relational.RelationalNode.nextBatch(RelationalNode.java:278) [teiid-engine-8.7.10.6_2-redhat-2.jar:8.7.10.6_2-redhat-2]
> {code}



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