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Steps to reproduce: 1) Disable all debugger modules and all modules depending on Debugger Core (JPDA Debugger, Tools Debugger, Applet, RMI). 2) Restart NetBeans. 3) Enable JPDA debugger. A SecurityException is thrown: Mon Oct 08 16:02:15 CEST 2001: java.lang.SecurityException: Second default DebuggerImpl can not be set! java.lang.SecurityException: Second default DebuggerImpl can not be set! at org.netbeans.modules.debugger.Register.setDebuggerCoreImpl(Register.java:61) at org.netbeans.modules.debugger.support.DebuggerModule.restored(DebuggerModule.java:124) at org.netbeans.modules.debugger.multisession.EnterpriseModule.restored(EnterpriseModule.java:53) ...
Created attachment 2900 [details] thread-dump
*** This issue has been marked as a duplicate of 11570 ***
Duplicate -> Closed.