org.netbeans.ExitSecurityException: Illegal attempt to exit early
   at org.netbeans.TopSecurityManager.checkExitImpl(TopSecurityManager.java:217)
   at org.netbeans.TopSecurityManager$PrivilegedCheck.run(TopSecurityManager.java:708)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at org.netbeans.TopSecurityManager$PrivilegedCheck.check(TopSecurityManager.java:733)
   at org.netbeans.TopSecurityManager$PrivilegedCheck.checkExit(TopSecurityManager.java:721)
   at org.netbeans.TopSecurityManager.checkExit(TopSecurityManager.java:157)
   at java.lang.Runtime.exit(Runtime.java:88)
   at java.lang.System.exit(System.java:904)
   at org.openide.LifecycleManager$Trivial.exit(LifecycleManager.java:105)
   at org.netbeans.core.actions.SystemExit.run(SystemExit.java:89)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1424)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1968)