[teiid-issues] [JBoss JIRA] (TEIID-1919) Teiid exception when XA procedure uses two sources (defined in separate *-ds.xml files) that use different oracle accounts and point at the same oracle instance

[Ramesh Reddy (JIRA)]

    [ https://issues.jboss.org/browse/TEIID-1919?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12663406#comment-12663406 ] 

Ramesh Reddy commented on TEIID-1919:
-------------------------------------

It is one of custom properties on Teiid's datasource, because of fact that Teiid can take advantage of being the tenant of the same VM as the container (LocalConnection). When set, the user's calling thread is used all the way to execute operations under Teiid to execute the query. 

If you connect over the socket to Teiid or not sing useCallingThread=false, then a different processing worker thread is used for Teiid's processing. 
                
> Teiid exception when XA procedure uses two sources (defined in separate *-ds.xml files) that use different oracle accounts and point at the same oracle instance
> ----------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: TEIID-1919
>                 URL: https://issues.jboss.org/browse/TEIID-1919
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>    Affects Versions: 7.7
>         Environment: Using Oracle XA Datasources
>            Reporter: Johnathon Lee
>            Assignee: Steven Hawkins
>         Attachments: serverExample.log, xasimple.jsp, xatest.jsp
>
>
> Teiid exception when XA procedure uses two sources (defined in separate *-ds.xml files) that use different oracle accounts and point at the same oracle instance.
> See attached serverExample.log.  Error manifests @ 8243.

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