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Product Version = NetBeans IDE 7.1 RC2 (Build 201111302200) Operating System = Windows 7 version 6.1 running on x86 Java; VM; Vendor = 1.7.0_01 Runtime = Java HotSpot(TM) Client VM 21.1-b02 I used netbeans ide yesterday and not stop it, meanwhile tomcat 7.0.23 running with it. Today, I continue use ide, and hit the java editor panel of ide, the exception appeared. The day before yesterday the exception appears too, of course also running long time with tomcat, I don't care it at that time. My app running on tomcat is available, and tomcat log on ide print normal, just can't edit file or expand project tree and other oprations.
Hello, please attach stacktrace of an exception and reopen, without stacktrace, we are not able to do anything.