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Build: NetBeans IDE 6.0 Beta 2 (Build 200710212201) VM: Java HotSpot(TM) Client VM, 1.6.0_03-b05 OS: Windows XP, 5.1, x86 User Comments:
Created attachment 52112 [details] stacktrace
Created attachment 52124 [details] stacktrace
It happens when generating model report for a UML platform-independent project... and lifelines in a sequence diagram do not have comments (documentation).
Lifeline without documentation is not a reproducible case. The stack trace seems to indicate there is an item in the model tree that does not have model element associated with it. If possible please attach the project to help identify the root cause, thanks.
Sorry, can't add project until plugins are restored (http://www.netbeans.org/issues/showvotes.cgi?issue_id=124670), had to install UML plugin again... :-)
incomplete for a year, can't be fixed without additional details, feel free to reopen if still reproducible and please provide more details on the issue.