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From Narayanan Krishnamoorthy <>
Subject Generating Incorrect fat jar using maven-assembly-plugin in maven 2 with war packaging
Date Tue, 15 Apr 2014 22:33:22 GMT
Hi all,

I have a default pom file in our codebase that has "war" packaging.

We wanted to also generate a normal jar file (lean) and a fat jar with dependencies along
with the war file in our build using the same pom.xml.

$ mvn -version
Apache Maven 2.2.1 (r801777; 2009-08-06 12:16:01-0700)
Java version: 1.7.0_45
Java home: /Library/Java/JavaVirtualMachines/jdk1.7.0_45.jdk/Contents/Home/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "mac os x" version: "10.8.5" arch: "x86_64" Family: "mac"

We added the following plugins - maven–assembly-plugin to generate the far jar and maven-jar-plugin
to generate the lean jar.



On mvn clean install,
It is generating all the 3 files : war, lean jar and far jar.

But the problem is the jar-with-dependencies (fat jar) generated is getting built in the wrong
way. Its size becomes double that of the same jar built by using Maven 3.0.4 (yes, I tried
upgrading the maven to 3.0.4 to test and everything is good
With maven 3).

The problem is only with maven 2 and to me it looks like since the overall packaging phase
of the pom is war , it is generating a wrong fat jar using the maven-assembly-plugin.  Many
src classes are missing from the fat jar.

Anyone faced this issue with maven 2 and war packaging. Maven 3.0.4 is just fine while generating
the fat jar.

Does maven-assembly-plugin have some restrictions with maven 2 and war packaging ?

Is there an alternate plugin to generate a jar with dependencies other than maven-assembly-plugin

Thanks in advance

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