AbstractTextEditor 1935 performSave()
--> handleExceptionOnSave 4965
--> openSaveErrorDialog 5000
--> ErrorDialog 447
里面的信息是 IStatus status = exception.getStatus()
Throwable t = status .getException();
// 错误信息为
String message = t.getLocalizedMessage();
command menu
http://www.ibm.com/developerworks/library/os-eclipse-3.3menu/index.html