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Posted to dev@twill.apache.org by "Rob Morgan (JIRA)" <ji...@apache.org> on 2015/03/25 01:18:54 UTC

[jira] [Created] (TWILL-125) BundledJarRunner doesn't work for classes with no zero-args constructor

Rob Morgan created TWILL-125:
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             Summary: BundledJarRunner doesn't work for classes with no zero-args constructor
                 Key: TWILL-125
                 URL: https://issues.apache.org/jira/browse/TWILL-125
             Project: Apache Twill
          Issue Type: Bug
          Components: ext
    Affects Versions: 0.5.0-incubating
            Reporter: Rob Morgan


BundledJarRunner attempts to load the main class using Class#newInstance. The call to newInstance will then attempt to find and invoke the class's zero-args constructor. This will throw an InstantiationException if there is no zero-args constructor to be found.

Loading the main class is unnecessary. Since main is always static it can be invoked with a null target object.




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