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https://issues.apache.org/jira/browse/OPENEJB-1027?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Luis Fernando Planella Gonzalez updated OPENEJB-1027:
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    Description: 
When the data source is not specified in the persistence.xml file, there is an 
heuristic to resolve it.
The application name (i.e. ear) should be used in this match, as a fallback, 
when the current algorithm can't find the data source.
As suggested by David Blevins at 
http://mail-archives.apache.org/mod_mbox/openejb-users/200905.mbox/%[email protected]%3e,
 the algorithm should be:
   1. the name set in <jta-data-source> or <non-jta-data-source>
   2. the name of the persistence-unit
   3. the name of the module name (i.e. war, ejb-jar, etc.)
   4. the name of the app name (i.e. ear) 


  was:
When the data source is not specified in the persistence.xml file, there is an 
heuristic to resolve it.
The application name (i.e. ear) should be used in this match, as a fallback, 
when the current algorithm can't find the data source.
As suggested by David Blevins at 
http://www.nabble.com/Database-configuration-on-web-application-startup-td23675577.html,
 the algorithm should be:
   1. the name set in <jta-data-source> or <non-jta-data-source>
   2. the name of the persistence-unit
   3. the name of the module name (i.e. war, ejb-jar, etc.)
   4. the name of the app name (i.e. ear) 



> Add the application name to the data sources matching heuristics
> ----------------------------------------------------------------
>
>                 Key: OPENEJB-1027
>                 URL: https://issues.apache.org/jira/browse/OPENEJB-1027
>             Project: OpenEJB
>          Issue Type: Improvement
>    Affects Versions: 3.1
>         Environment: Linux, amd64, java 6u13
>            Reporter: Luis Fernando Planella Gonzalez
>
> When the data source is not specified in the persistence.xml file, there is 
> an heuristic to resolve it.
> The application name (i.e. ear) should be used in this match, as a fallback, 
> when the current algorithm can't find the data source.
> As suggested by David Blevins at 
> http://mail-archives.apache.org/mod_mbox/openejb-users/200905.mbox/%[email protected]%3e,
>  the algorithm should be:
>    1. the name set in <jta-data-source> or <non-jta-data-source>
>    2. the name of the persistence-unit
>    3. the name of the module name (i.e. war, ejb-jar, etc.)
>    4. the name of the app name (i.e. ear) 

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