今天在用grails时出现一个奇怪的错误

3: Invalid duplicate class definition of class Resource : The source D:\test\grails\projects\productknowlege\grails-app\domain\org\security\Resource.groovy contains at least two definitions of the class Resource.
One of the classes is an explicit generated class using the class statement, the other is a class generated from the script body based on the file name. Solutions are to change the file name or to change the class name.
@ line 3, column 1.
class Resource {
^

1 error

查了半天外国网站，最后才知道是UE保存时，编码设置的问题，重新创建了一下文件就OK了。