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(Have no real issue category?) java.lang.UnsupportedOperationException: The operation is not more supppoerted, use ClassElement.forName(String,FileObject) org.openide.src.ClassElement.forName(ClassElement.java:950) org.netbeans.modules.javagator.JUtils.isOverride(JUtils.java:209) org.netbeans.modules.javagator.JUtils.isOverridden(JUtils.java:244) org.netbeans.modules.javagator.JUtils.generateName(JUtils.java:125) org.netbeans.modules.javagator.MemberLook.getDisplayName(MemberLook.java:148) [...]
Fixed this a while ago