Jonathan Gallimore created TOMEE-2295:
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Summary: Persistence Unit mapping-file ignored by CmpJpaConversion
Key: TOMEE-2295
URL: https://issues.apache.org/jira/browse/TOMEE-2295
Project: TomEE
Issue Type: Bug
Affects Versions: 7.1.0, 7.0.5, 8.0.0-M1, 1.7.5
Reporter: Jonathan Gallimore
Assignee: Jonathan Gallimore
Fix For: 8.0.0-Final, 1.7.6, 7.0.6, 7.1.1
The CmpJpaConversion code enables TomEE to run CMP entity beans by converting
them to JPA "on the fly". It does this by using a persistence unit it creates
on the app module named "cmp", and generating an orm.xml file for the
persistence component to use.
However, if you create a persistence.xml file and a custom orm.xml file (using
the `openejb.descriptors.output=true` system property, for example) and
reference the custom orm.xml in persistence.xml, it is ignored.
One possible workaround is to remove the mapping file reference from
persistence.xml and package it in the artifact as META-INF/openejb-cmp-orm.xml
(or WEB-INF/openejb-cmp-orm.xml for .war files):
[https://github.com/apache/tomee/blob/0165264d37f9cb6ce6d2585f2f6b0fbd926ad5c4/container/openejb-core/src/main/java/org/apache/openejb/config/ReadDescriptors.java#L553]
and
[https://github.com/apache/tomee/blob/0165264d37f9cb6ce6d2585f2f6b0fbd926ad5c4/arquillian/arquillian-tomee-tests/arquillian-tomee-webprofile-tests/src/test/java/org/apache/openejb/arquillian/tests/cmp/CmpMappingTest.java#L45]
However, it should be possible to also check for the presence of an existing
mapping file on the cmp persistence unit, and use that as opposed to generating
a new one.
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