Details
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Bug
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Resolution: Done
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Major
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jBPM 5.2
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None
Description
The BPMN 2.0 specification allows on page 153 multiple incoming flow sequences for activities (i.e. also for tasks). jBPM fails to validate such an BPMN file. It throws an IllegalArgumentException with the message "This type of node cannot have more than one incoming connection!". The eclipse editor refuses to open the BPMN file with the same expection.
I'll attach a faked diagram of such an "uncontrolled flow" and the BPMN file.