请问tomcat出现如下异常是什么原因，在线等

[zhuiganzhe_88]

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: /home/zxin10/was/tomcat/webapps/portal/WEB-INF/action.xml???DTD?????????
com.zte.cdma.w5.mvc.Controller.init(Controller.java:78)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
java.lang.Thread.run(Thread.java:595)


note The full stack trace of the root cause is available in the Apache Tomcat/5.0.27 logs.

[乌云飘]

action.xml文件定义参照DTD的格式有误，如果可以的话可以不需要参照DTD