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Created attachment 164579 [details] log file
Got a similar issue by upgrading to Java 8: https://netbeans.org/bugzilla/show_bug.cgi?id=270872 Note that NB 8.0.x or NB 7.x are shipped with Java 7, whereas NB 8.1+ is shipped with Java 8. Can you try NB 8.0.2 to see if it works correctly?