[teiid-issues] [JBoss JIRA] (TEIID-4130) Prevent blocked exceptions from being thrown in AccessNode open

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/TEIID-4130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13192730#comment-13192730 ] 

RH Bugzilla Integration commented on TEIID-4130:
------------------------------------------------

jolee at redhat.com changed the Status of [bug 1326832|https://bugzilla.redhat.com/show_bug.cgi?id=1326832] from NEW to MODIFIED

> Prevent blocked exceptions from being thrown in AccessNode open
> ---------------------------------------------------------------
>
>                 Key: TEIID-4130
>                 URL: https://issues.jboss.org/browse/TEIID-4130
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>    Affects Versions: 8.7
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>             Fix For: 9.0, 8.12.5, 8.13.4
>
>
> Having the access node block in open can lead to unintended consequences in parent nodes.  For example with tuplesource caching it can create additional tuplesource instances such the cached source is closed prematurely (as it thinks that all readers have been satisfied).  This results in exceptions similar to:
> TEIID30019 Unexpected exception for request 2TLgULsEBZvO.8: java.lang.AssertionError: ASSERTION FAILED: expected reference to be not null
> ...
> 	at org.teiid.common.buffer.TupleBuffer.getBatch(TupleBuffer.java:286) \[teiid-engine-8.7.5.6_2-redhat-1.jar:8.7.5.6_2-redhat-1]
> 	at org.teiid.dqp.internal.process.TupleSourceCache$CopyOnReadTupleSource.nextTuple(TupleSourceCache.java:103) \[teiid-engine-8.7.5.6_2-redhat-1.jar:8.7.5.6_2-redhat-1]
> ...



--
This message was sent by Atlassian JIRA
(v6.4.11#64026)