Struts2 Action使用Spring的aop后，Action返回Json数据老是报错该如何解决。

Spring的配置文件里我也加上了这句

<aop:aspectj-autoproxy proxy-target-class="true" />

Struts2.xml 也加上了这句

<constant name="struts.objectFactory.spring.autoWire.alwaysRespect" value="true" />

然后调用时，就报这个错......json数据请求出错

11:36:36,057 ERROR Dispatcher:38 - Exception occurred during processing request: org.apache.struts2.json.JSONException: org.apache.struts2.json.JSONException: org.apache.struts2.json.JSONException: org.apache.struts2.json.JSONException: org.apache.struts2.json.JSONException: org.apache.struts2.json.JSONException: org.apache.struts2.json.JSONException: org.apache.struts2.json.JSONException: org.apache.struts2.json.JSONException: org.apache.struts2.json.JSONException: java.lang.reflect.InvocationTargetException
org.apache.struts2.json.JSONException: org.apache.struts2.json.JSONException: org.apache.struts2.json.JSONException: org.apache.struts2.json.JSONException: org.apache.struts2.json.JSONException: org.apache.struts2.json.JSONException: org.apache.struts2.json.JSONException: org.apache.struts2.json.JSONException: org.apache.struts2.json.JSONException: org.apache.struts2.json.JSONException: org.apache.struts2.json.JSONException: java.lang.reflect.InvocationTargetException
    at org.apache.struts2.json.JSONWriter.bean(JSONWriter.java:246)
    at org.apache.struts2.json.JSONWriter.processCustom(JSONWriter.java:178)
    at org.apache.struts2.json.JSONWriter.process(JSONWriter.java:168)
    at org.apache.struts2.json.JSONWriter.value(JSONWriter.java:134)
    at org.apache.struts2.json.JSONWriter.write(JSONWriter.java:102)
    at org.apache.struts2.json.JSONUtil.serialize(JSONUtil.java:116)
    at org.apache.struts2.json.JSONResult.createJSONString(JSONResult.java:197)
    at org.apache.struts2.json.JSONResult.execute(JSONResult.java:171)
    at com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:371)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:275)
    at org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:256)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
    at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:167)
    at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
    at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:265)
    at org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
    at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
    at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)

图片描述

现在的问题是继承 json-default 的Action就会出现问题，而默认继承的Action就不会报错...aop能正常插入

回答：

json-default把struts-default覆盖了

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