帮帮一个配置TOMCAT的新手

南天一柱 · 发表于 2017-1-28 07:20:21

1

package test;
2import java.io.*;
3 import javax.servlet.*;
4 import javax.servlet.http.*;
5 public class HelloWorld extends HttpServlet
6

{
7

public void doGet(HttpServletRequest request,HttpServletResponse response)
8 throws ServletException,IOException
9

   {
10    response.setContentType("text/html");
11    PrintWriter out = response.getWriter();
12    out.println("<html><head><title>");
13    out.println("This is my first Servlet");
14    out.println("</title></head><body>");
15    out.println("<h1>Hello,World!</h1>");
16    out.println("</body></html>");
17
18

}
19

   }
20
Status 500 -

--------------------------------------------------------------------------------

type Exception report

message

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

exception

javax.servlet.ServletException: Error allocating a servlet instance
    org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
    org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
    org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
    org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
    java.lang.Thread.run(Unknown Source)

root cause

java.lang.NoClassDefFoundError: test/HelloWorld (wrong name: HelloWorld)
    java.lang.ClassLoader.defineClass1(Native Method)
    java.lang.ClassLoader.defineClass(Unknown Source)
    java.security.SecureClassLoader.defineClass(Unknown Source)
    org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1847)
    org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:890)
    org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1354)
    org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
    org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
    org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
    org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
    org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
    java.lang.Thread.run(Unknown Source)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.18 logs.

--------------------------------------------------------------------------------

Apache Tomcat/6.0.18

怎么办啊？
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