MANIFEST.MF for WebSphere

<target name="war" depends="compile">

<delete file="WebContent/META-INF/MANIFEST.MF"/>

<manifest file="WebContent/META-INF/MANIFEST.MF">

<attribute name="Main-Class" value=""/>

<attribute name="Implementation-Version" value="2.0"/>

<attribute name="Implementation-Build" value="2.0"/>

<attribute name="addClasspath" value="true" />

</manifest>

...

Java ant build manifest.mf for IBM WebSphere Application Server