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040603 etc. Sometimes - not always - when I try to run a j2seproject, it tells me that there is no main class set. Of course the correct class name is set in Running Project, and the corresponding class exists in Sources, is compiled, has a main method with the correct signature, etc. If I choose Browse for the Main Class field, nothing is listed. Opening the main class in the editor, expanding its nodes, etc. - nothing helps. Regression started occurring after refactoring merge. Presumably org.openide.src is not working on this. I don't know why.
*** This issue has been marked as a duplicate of 43773 ***