<b>note</b> <u>The full stack trace of the root cause is available in the Apache Tomcat/7.0.62 logs.</u></p><HR size="1" noshade="noshade"><h3>Apache Tomcat/7.0.62</h3></body></html>
com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:166)
com.alibaba.fastjson.JSON.toJSONString(JSON.java:418)
com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187)
org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267)
com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:291)
<b>description</b> <u>The server encountered an internal error that prevented it from fulfilling this request.</u></p>\r
</pre></p>\r
com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:176)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)
com.alibaba.fastjson.serializer.SerializeWriter.writeStringWithDoubleQuote(SerializeWriter.java:868)