If debugger gets any kind of issue and then you try to use it , the debug points are never hit again , debugger has been having this issue always . The resolution is to sign out off jde , kill active console , kill java.exe and all that and try . If that does not help , then restart machine and that will reset debugger back . Always validate your event rules first as well to make sure we are clear on that side and those are validated before using debugger . Try commenting the code on that button for the specific case and see how debugger behaves