Allow the Aries JPA runtime to process WAB files
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Key: ARIES-455
URL: https://issues.apache.org/jira/browse/ARIES-455
Project: Aries
Issue Type: Improvement
Components: JPA
Affects Versions: 0.3
Reporter: Timothy Ward
Assignee: Timothy Ward
Fix For: 0.3
The Aries JPA runtime currently deliberately ignores WAB files because it isn't
clear whether they should be processed according to Java EE rules or not.
I propose the following:
* A WAB with a Meta-Persistence header should be treated like any other
persistence bundle
* A WAB with no Meta-Persistence header should follow the rules of the OSGi Web
Applications specification. Namely the JPA runtime should look for
META-INF/persistence.xml in any locations listed on the bundle classpath (or in
the root if no classpath is defined).
This is not the normal Java EE behaviour. We will not find
META-INF/persistence.xml in any jar in WEB-INF/lib, or in WEB-INF/classes
unless it is explicitly on the bundle classpath. This is, however, consistent
with normal WAB behaviour and I believe is therefore the correct approach.
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