Hannes Hannes - 1 year ago 120
Java Question

Creating runnable JAR with Gradle

Until now I created runnable JAR files via the Eclipse "Export..." functionallity but now I switched to IntelliJ IDEA and Gradle for build automation.

Some articles here suggest the "application" plugin, but this does not entirely lead to the result I expected (just a JAR, no start scripts or anything like this).

How can I achieve the same result Eclipse does with the "Export..." dialog?

Answer Source

An executable jar file is just a jar file containing a Main-Class entry in its manifest. So you just need to configure the jar task in order to add this entry in its manifest:

jar {
    manifest {
        attributes 'Main-Class': 'com.foo.bar.MainClass'

You might also need to add classpath entries in the manifest, but that would be done the same way.

See http://docs.oracle.com/javase/tutorial/deployment/jar/manifestindex.html

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