Plugins without descriptors
---------------------------
Key: MNG-1889
URL: http://jira.codehaus.org/browse/MNG-1889
Project: Maven 2
Type: Bug
Components: Plugin Creation Tools
Versions: 2.0.1
Reporter: Jochen Wiedmann
Priority: Minor
Attachments: numMojoDescriptors.patch
The attached patch throws an exception, if no Mojos are found in a plugin.
Background: If such a plugin is installed, then an NPE is caused in the
DefaultLifeCycleExecutor, which properly assumes, that a plugin contains Mojo
descriptors. Obviously, the actual error is in the plugin itself, where it
should be exposed. It took me some hours to find this actual reason. (I still
do not know, why the Mojos aren't found in my plugin, but that's another
story.) The patch should be able to save the same number of hours for other
plugin developers.
Note: The InvalidPluginDescriptorException, which is triggered by the patch, is
possibly not proper. I choosed it, because it allowed to leave the method
signature unchanged and keep the patch simple. It is up to the reviewer to
choose another exception.
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