jzhang schrieb:
Tim Kettler wrote:
Hi,
jzhang schrieb:
I am using Maven 2.0.7. In my ear file, I have a ejb jar (called
core.jar)
that depends on common.jar. They are all in the same ear. I want to have
core.jar manifest.mf file have Class-Path entry for common.jar. But I can
not get that work. I follow maven-ejb-plugin instruction:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-ejb-plugin</artifactId>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
</manifest>
</archive>
<!--<generateClient>true</generateClient>-->
</configuration>
</plugin>
And I ran: mvn install. The new generated ejb jar file's manifest does
not
have Class-Path entry.
Your configuration looks correct and should work. However since
<addClasspath/> adds classpath entries for dependencies of your project
to the manifest and you seem not to have declared dependencies it may be
that maven omits the empty classpath entry.
Besides, I want to add common.jar to this path. Then I add:
<dependency>
<groupId>${pom.groupId}</groupId>
<artifactId>my-common</artifactId>
<version>${pom.version}</version>
<properties>
<ejb.manifest.classpath>true</ejb.manifest.classpath>
</properties>
</dependency>
Then I got 'org.apache.maven.reactor.MavenExecutionException: Parse error
reading POM. Reason: Unrecognised tag: 'properties' (position: START_TAG
seen ...\r\n <properties>... @18:25' error.
It seems I can not put <properties> tag in <dependency> element. What is
wrong?
It's just as you say: you can't put a <properties/> tag into an
dependency element. I think maven 1 had such a syntax but not maven 2.
See [1] and [2] for a reference for the pom.
-Tim
[1] http://maven.apache.org/pom.html
[2] http://maven.apache.org/ref/current/maven-model/maven.html
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Thanks for the feedback. From 'maven-ejb-plugin' page, I found this FAQ:
http://maven.apache.org/plugins/maven-ejb-plugin/faq.html. It dose not have
any entry for which dependency should be added to Class-Path. I thought it
should be added in that dependency declaration as 'properties'. But I got
error. One question -- how do I know if this plugin is installed? I did not
do anything but downloaded Maven 2.0.7.
Maven automatically downloads all needed plugins. You can think of a
plugin as just a special kind of dependency. Ultimatly it's just a jar
in the central repository. As long as you don't see errors like this,
everything is ok:
[ERROR] BUILD ERROR
[INFO]
------------------------------------------------------------------------
[INFO] The plugin 'org.apache.maven.plugins:maven-jar-plugin' does not
exist or no valid version could be found
If you really want to check if the plugin was downloaded just check your
local repository if the jar for the plugin is present.
To learn about the concepts and usage of maven2 I suggest reading the
two good (and free) available books from Sonatype [1] and DevZuz [2].
-Tim
[1] http://www.sonatype.com/book/
[2] http://www.devzuz.com/web/guest/products/resources#BBWM
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