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Created attachment 135880 [details] stacktrace Have a look at the attachment. Thanks. Product Version: NetBeans IDE Dev (Build 20130617-2dd7e935b9bb) Java: 1.7.0_21; Java HotSpot(TM) 64-Bit Server VM 23.21-b01 Runtime: Java(TM) SE Runtime Environment 1.7.0_21-b11 System: Linux version 3.8.0-25-generic running on amd64; UTF-8; cs_CZ (nb)
*** This bug has been marked as a duplicate of bug 230879 ***