type Exception report 错误怎么解决小弟刚学servlet就碰到了不知怎么解决不知那位大仙能帮小弟解决一下，小弟在这里多谢了！！

mabing_071 2010-04-12 09:24:46

HTTP Status 500 -

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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 hello.HelloWorldServlet
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:859)
org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:579)
org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1555)
java.lang.Thread.run(Thread.java:595)

root cause

java.lang.IllegalAccessException: Class org.apache.catalina.core.StandardWrapper can not access a member of class hello.HelloWorldServlet with modifiers ""
sun.reflect.Reflection.ensureMemberAccess(Reflection.java:65)
java.lang.Class.newInstance0(Class.java:344)
java.lang.Class.newInstance(Class.java:303)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:859)
org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:579)
org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1555)
java.lang.Thread.run(Thread.java:595)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.26 logs.

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Apache Tomcat/6.0.26

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