aba.fastjson.serializer.stringcodec.write(stringcodec.java:34)

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

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

  com.alibaba.fastjson.json.tojsonstring(json.java:418)

  com.alibaba.fastjson.json.tojsonstring(json.java:406)

  com.encrypt.action.execute(action.java:68)

  sun.reflect.generatedmethodaccessor38.invoke(unknown source)

  sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43)

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

  com.opensymphony.xwork2.defaultactioninvocation.invokeaction(defaultactioninvocation.java:452)

  com.opensymphony.xwork2.defaultactioninvocation.invokeactiononly(defaultactioninvocation.java:291)

  com.opensymphony.xwork2.defaultactioninvocation.invoke(defaultactioninvocation.java:254)

  com.opensymphony.xwork2.interceptor.defaultworkflowinterceptor.dointercept(defaultworkflowinterceptor.java:176)

  com.opensymphony.xwork2.interceptor.methodfilterinterceptor.intercept(methodfilterinterceptor.java:98)

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

  com.opensymphony.xwork2.validator.validationinterceptor.dointercept(validationinterceptor.java:263)

  org.apache.struts2.interceptor.validation.annotationvalidationinterceptor.dointercept(annotationvalidationinterceptor