java.lang.reflect.Method.invoke(Method.java:606)

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)

com.alibaba.fastjson.serializer.MapSerializer.write(MapSerializer.java:188)

com.alibaba.fastjson.JSON.toJSONString(JSON.java:406)

com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:190)

org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:243)

com.alibaba.fastjson.serializer.SerializeWriter.writeStringWithDoubleQuote(SerializeWriter.java:868)

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)

com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187)

sun.reflect.GeneratedMethodAccessor38.invoke(Unknown Source)

com.alibaba.fastjson.serializer.SerializeWriter.writeString(SerializeWriter.java:1366)

<b>type</b> Exception report</p>\r

com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)