There is an incompatibility between the API of JDOM beta 10, the release with which RIB was coded and tested, and the latest version of JDOM, the production release 1.0. You will experience a NoSuchMethodException referring to the invokation of the addChild method of the Element class when using JDOM 1.0.
To rectify this matter and to avoid future issues, please use JDOM beta 10 for RIB release 1.0. This can be found in the archive section of the binary downloads section of the JDOM web site:
This incompatibility will be rectified in the next release of RIB.
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