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It is a different bug in "Find usages" mechanism. I have declared a data model class. Into this class there is toString() method declared. This method is indirectly invoked in System.out.println() calls in other classes, when I call System.out.println(dataModelClassInstalce); I tried to find usages of "toString()" -- and dialog box hangs when I press OK (find). I think there is a bug inside of the mechanism that does not take in account indirect calls like toString() call.
Reassigning to "refactoring" module for evaluation.
Reproducible, the IDE does not hang but the computation is taking too much time (maybe it's in endless look). Note there is no indirect call - the method toString() is normally called in String.valueOf(Object obj) when object is passed to System,.out.println() method.
It is not hanged, it just take too long. *** This issue has been marked as a duplicate of 120145 ***