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Home » Modeling » UML2 Tools » UML diagram corrupted itself (NPE), how to recover?(UML diagram corrupt)
UML diagram corrupted itself (NPE), how to recover? [message #505698] Mon, 04 January 2010 09:50 Go to next message
Alexandra Stehman is currently offline Alexandra StehmanFriend
Messages: 8
Registered: July 2009
Junior Member
I spent almost 90 minutes working on this diagram and suddenly, after creating a shared aggregation, the diagram started behaving oddly. I couldn't move the source class' location on the diagram. Additionally, what was odd was the previous 2 shared aggs I had created. where two agg lines were drawn between the src and dest classes (3 src, 1 dest, attempted to create 3 shared aggs between each of the src classes and the dest). Then, all of the class, attribute, and relationship names disappeared, and all of the lines on the diagram went gray, and I could no longer edit the diagram. I attempted to restart Eclipse, but this also did not work. The diagram remains corrupted, and I was planning on presenting this diagram in this morning's meeting.

I have the log file...
Re: UML diagram corrupted itself (NPE), how to recover? [message #505820 is a reply to message #505698] Tue, 05 January 2010 09:35 Go to previous message
Vlad Varnica is currently offline Vlad VarnicaFriend
Messages: 546
Registered: July 2009
Location: Milton Keynes - UK
Senior Member
You can always restore the latest saved file with Eclipse using the local history option
Click on the class diagram file > Compare With > Local History see picture at: am%20work/compare_with_local_history.png

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