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Steps to reproduce: 0) start in a fresh userdir 1) reverse engineer UML core, source only, deselect the test package. 2) expand model -> org -> netbeans -> modules -> uml -> core -> reverseengineering -> reframework. 3) multiple select all members of the reframework package, parsingframework package through REXMLCollection class. 4) CDFS to a class diagram. use the default diagram name. 5) click the X on the diagram tab to close the diagram. 6) notice the diagram name is missing (see capture5). 7) attempt to expand the diagrams under the uml project. 8) notice error popup: "" is not a valid diagram name
See also issue 122924.
Created attachment 54209 [details] model explorer showing diagram node with missing name.
Created attachment 54210 [details] error popup
Looks like this problem exists in an inconsistent scenario. I tried similar steps for different projects than the UML core, but could never reproduce the issue with class diagram. Same thing with the collaboration diagram in issue 122924 which the problem is not reproducible consistently. But I believe there's a common issue when clicking on the X of the diagram tab to close the diagram that something is not done properly in some cases.
Can no longer reproduce consistently.
*** This issue has been marked as a duplicate of 122924 ***
verified in latest nb 6.1 build 200802191203. Tried a few times but no longer reproducible with the same scenario using the uml core source.