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[henshin-user] Rule application via GUI ->OK, via API -> error 
Hello everyone,

I want to do manipulations of UML state machines using UML stereotypes.
I actually have a problem: a given transformation rule runs fine if I apply it using the GUI (right-click on the transformation file with "Henshin->Apply Transformation", but if I apply the rule using the Henshin API, it fails (the execute method of RuleApplication returns false).
My test UML model features a state machine which also has a transition called "hier" and the stereotype "ensureRole" attached, as requested.
My code works fine with other transformation models. The error only occurs when *deleting* the stereotype. I just need to change the action to *create* and the rule instantly can be executed without errors.
I created a fresh Henshin transformation model (see attachement). The problem persists. Setting checkDangling to false makes no difference either. 



Any suggestions?

Jens
--
Dipl.-Inf Jens Bürger
University of Koblenz-Landau
Institute for Software Technology
RG Prof. Dr. Jan Jürjens

Phone: +49 261 287-2705
Fax:   +49 261 287-100 2705


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