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

description The server encountered an internal error that prevented it from fulfilling this request.\r

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

message 160\r

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

com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:263)

com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:291)

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

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

com.alibaba.fastjson.serializer.JSONSerializer.write(JSONSerializer.java:369)

org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267)