Suggested changes/additions to the EnhancingWithMaven page
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Key: OPENJPA-609
URL: https://issues.apache.org/jira/browse/OPENJPA-609
Project: OpenJPA
Issue Type: Improvement
Components: docs
Reporter: Michael Vorburger
Fix For: 1.1.0
I suggest the following edits to the to the EnhancingWithMaven page at
http://openjpa.apache.org/enhancingwithmaven.html :
1) Add failonerror="true" to <java>
2) Use dir="${basedir}/target/classes" instead of dir="target/classes" because
of problems with relative directories when using multi-project (POM with
<modules> etc.) structure
Explain/remind that the maven-antrun-plugin is very problematic... I ran into
WEIRED issues with it because I had other instances of the maven-antrun-plugin
in ANOTHER project than the one I was putting this into, and adding the
maven-antrun-plugin with OpenJPA enhancement to a project caused class no
longer found issues in another POM that also used the maven-antrun-plugin but
worked before.
If using the maven-antrun-plugin, could also taskdef to use the
PCEnhancerTask/openjpac ant task. I found this to be more suitable as I can
easily use <fileset><include><exclude> to e.g. exclude some classes that are in
a JAR . Until I ran into the problem above and switched to the OpenJPA Maven
Plugin, which works well actually.
But point out that the OpenJPA Maven Plugin at
http://mojo.codehaus.org/openjpa-maven-plugin comes with it's own fixed version
of OpenJPA (currently a very outdated and no longer found 0.9.6 apparently!),
which makes it a lot less useful... unless there is a way to work around this
(force the version of a dependency of a plugin to another version?!). See
http://jira.codehaus.org/browse/MOJO-1132 (but
http://jira.codehaus.org/browse/MOJO-1133).
Lastly, the Enhancer could probably also be integrated into Maven using
http://mojo.codehaus.org/exec-maven-plugin/java-mojo.html or
http://maven.apache.org/guides/plugin/guide-ant-plugin-development.html;
haven't tried this, but may be worth pointing out?
PPS: Why don't you integrate the openjpa-maven-plugin with OpenJPA directly and
test and distribute it?
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