使用Struts2时候报异常

WARNING: Caught OgnlException while setting property 'location' on type 
'org.apache.struts2.dispatcher.ServletDispatcherResult'. 
java.lang.IllegalAccessException: Method [public void 
org.apache.struts2.dispatcher.StrutsResultSupport.setLocation(java.lang.Str ing)] 
cannot be accessed. 
   at ognl.OgnlRuntime.invokeMethod(OgnlRuntime.java:508) 
   at ognl.OgnlRuntime.callAppropriateMethod(OgnlRuntime.java:812)

SEVERE: ParametersInterceptor - [setParameters]: Unexpected Exception 
caught setting 'name' on 'class com.ociweb.gaestruts2.HelloAction: Error 
setting expression 'name' with value '[Ljava.lang.String;@24de7d'

解决方法:

1. 建class如下..............