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Task
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Resolution: Fixed
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L3 - Default
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None
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None
In not reproducable situations `MultiInstanceActivityBehavior#getLoopVariable()` returns `null`, so that a `NullPointerException` will be thrown, if the `null` value will be cast to an `int` value.
AT:
- add a null check: if the loop variable is `null` throw a ProcessEngineException
See forum: https://groups.google.com/d/msg/camunda-bpm-users/-5ua4D7GbWo/wh_yVXsqgsEJ