在Myeclipse中运行jsp程序时出现这个错误，该怎么解决啊

type Exception report

message

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

exception javax.servlet.ServletException: Error instantiating servlet class com.dp.controller.UserDealServlet org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852) org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) java.lang.Thread.run(Thread.java:619)

root cause java.lang.IllegalAccessException: Class org.apache.catalina.core.StandardWrapper can not access a member of class com.dp.controller.UserDealServlet with modifiers "" sun.reflect.Reflection.ensureMemberAccess(Reflection.java:65) java.lang.Class.newInstance0(Class.java:349) java.lang.Class.newInstance(Class.java:308) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852) org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) java.lang.Thread.run(Thread.java:619)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.24 logs.

可能是你写的代码有误，能看一下你全部的代码么

HTTP Status 500 是服务器内部错误。