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Asked: 2026-06-07T10:50:16+00:00

What I have is an RCP application, and a plugin directory in it: my-rcp-app/

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What I have is an RCP application, and a plugin directory in it:

my-rcp-app/
  ...
  plugins/
    ...
    com.mycompany.myproduct.ui_1.0.1/
      com/
      META-INF/
      plugin.xml

Then I make a JAR with the same contents as the plugin directory, com.mycompany.myproduct.ui_1.0.1.jar, and put it into plugins/ instead of a com.mycompany.myproduct.ui_1.0.1 folder.

Surprisingly, the app doesn’t start. That’s from the logs:

 !SUBENTRY 2 com.mycompany.root.bundle 2 0 2012-07-05 20:01:17.511
 !MESSAGE Missing required bundle com.mycompany.myproduct.ui_1.0.1.

So, 2 questions here:

  1. How to deploy a plugin in a JAR, if I’ve got a directory with classes, configs etc.
  2. Is it enough to unpack a JAR into plugins, for the app to keep working?
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1 Answer

  1. Editorial Team

    As @TobiasWillig already noted, plug-in directories and JARs are indeed fully interchangeable.

    But in this specific case I had to edit configuration/org.eclipse.equinox.simpleconfigurator/bundles.info file, replacing

    com.mycompany.myproduct.ui,1.0.1,plugins/com.mycompany.myproduct.ui_1.0.1/,4,false

    with the

    com.mycompany.myproduct.ui,1.0.1,plugins/com.mycompany.myproduct.ui_1.0.1.jar,4,false

    I.e., it’s required to manually specify a path to the plug-in.

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