jsp页面提交到一个servlet以后，在servlet中调用方法，出现错误。错误提示一下，
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: Servlet execution threw an exception
root cause
java.lang.NoSuchMethodError: bean.User.<init>(Ljava/lang/String;Ljava/lang/String;ILjava/lang/String;Z)V
Servlet.Register_Action.doPost(Register_Action.java:34)
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.14 logs.
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Apache Tomcat/6.0.14
------解决方案--------------------------------------------------------
恭喜LZ，接分