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幫幫一個(gè)配置TOMCAT的新手

Posted on 2008-10-01 08:26 saobaolu 閱讀(416) 評(píng)論(5) 編輯收藏所屬分類: java基礎(chǔ)與算法

package test;
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import java.io.*;
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import javax.servlet.*;
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import javax.servlet.http.*;
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public class HelloWorld extends HttpServlet
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{
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public void doGet(HttpServletRequest request,HttpServletResponse response)
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throws ServletException,IOException
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{
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response.setContentType("text/html");
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PrintWriter out = response.getWriter();
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out.println("<html><head><title>");
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out.println("This is my first Servlet");
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out.println("</title></head><body>");
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out.println("<h1>Hello,World!</h1>");
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out.println("</body></html>");
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}
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}
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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

怎么辦啊？
代碼

沒(méi)有所謂的命運(yùn)，只有不同的選擇！

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