Transitive dependencies of optional dependencies are included in WEB-INF/lib
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Key: MWAR-111
URL: http://jira.codehaus.org/browse/MWAR-111
Project: Maven 2.x War Plugin
Issue Type: Bug
Affects Versions: 2.0.2
Environment: Maven 2.0.7, JDK 1.6.0_01-b06, JavaEE 5
Reporter: Chris Lance
Attachments: TestProject.zip
I have an EAR project (TestEAR) which contains two modules:
1. A JAR module (TestJAR) which has one dependency: commons-lang 2.3
2. A WAR module (TestWAR) which uses [these
instructions|http://maven.apache.org/plugins/maven-war-plugin/examples/war-manifest-guide.html]
to declare a dependency on TestJAR so that TestJAR is included in TestWAR's
manifest classpath, but not copied into WEB-INF/lib (i.e. declares the
dependency optional).
This works fine for TestJAR itself, but its transitive dependency (commons-lang
2.3) is still copied into WEB-INF/lib. I don't believe this is the correct
behavior since all dependencies of a JAR packaged in the EAR must also be
packaged in the EAR. So, all a WAR should have to do is put the transitive
dependencies in its manifest classpath to inherit them. Basically: in a WAR,
transitive dependencies of "optional" dependencies should inherit the
"optional" flag.
I have included a simple test project as an example. Unzip, cd TestProject, and
mvn install. Look in TestEAR's target dir and you will see that commons-lang is
included in the EAR. Then look in TestWAR's target dir and you will see that
commons-lang is also included in both the manifest classpath and the
WEB-INF/lib dir.
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