Improve documentation on combining Eclipse and Maven Integration
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Key: MEAR-88
URL: http://jira.codehaus.org/browse/MEAR-88
Project: Maven 2.x Ear Plugin
Issue Type: Improvement
Reporter: Chris Graham
Priority: Trivial
This could be implemented as another example.
Eclipse and Maven Integration
If you have used mvn eclipse:eclipse to generate the metadata for an EAR
project, it will want the application.xml file in the
src\main\application\META-INF directory.
If you edit application.xml using the WTP based Application Deployment
Descriptor editor, it will use the name of the projects (Web, EJB etc) as the
name of the modules. Here is an example:
<?xml version="1.0" encoding="UTF-8"?>
<application xmlns="http://java.sun.com/xml/ns/j2ee";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/application_1_4.xsd"; version="1.4">
<display-name>FireDragon</display-name>
<module>
<web>
<web-uri>FireDragonWeb.war</web-uri>
<context-root>firedragon</context-root>
</web>
</module>
</application>
Obviously this does not have the typical maven based version naming convention
applied to it. This allows us to run the application internally within
eclipse/rsa using the test environments.
However, when maven is used to create the ear using mvn package, it will create
the versionised application.xml file, if told to. However, by default it will
not pick up the generated (versionized) one, it will use the existing one in
the src\main\application\META-INF directory.
The solution to resolve this conflict is to have maven generate the
application.xml and use the generated one as opposed to the existing one.
This can be achieved via these two directives:
<generateApplicationXml>true</generateApplicationXml>
<applicationXml>${project.build.directory}/application.xml</applicationXml>
The first line tells maven to generate a new application.xml file, by default
in the target directory.
The second line tells maven to use it.
Simple!
-Chris
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