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Can 't compile Servlet file

Can 't compile Servlet file

2003-09-19       - By Edward King

 Back
Reply:     1     2  

I use JDK 1.4.1_02 and Tomcat5.0 under Window2000 Server, I have a Servlet file
,like follows:

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
public class a1 extends HttpServlet{
public void doGet(HttpServletResponse req,HttpServletResponse resp) throws
ServletException,IOException{
 PrintWriter pw=resp.getWriter();
 pw.println("<html><body>Hello World!</body></html>");
 pw.close();
}
}

but when I compile it,it raises many errors:

a1.java:1: package javax.servlet does not exist
import javax.servlet.*;
^
a1.java:2: package javax.servlet.http does not exist
import javax.servlet.http.*;
^
a1.java:4: cannot resolve symbol
symbol  : class HttpServlet
location: class a1
public class a1 extends HttpServlet{
                       ^
a1.java:5: cannot resolve symbol
symbol  : class HttpServletResponse
location: class a1
       public void doGet(HttpServletResponse req,HttpServletResponse resp) thro
ws ServletException,IOException{
                         ^
a1.java:5: cannot resolve symbol
symbol  : class HttpServletResponse
location: class a1
       public void doGet(HttpServletResponse req,HttpServletResponse resp) thro
ws ServletException,IOException{
                                                 ^
a1.java:5: cannot resolve symbol
symbol  : class ServletException
location: class a1
       public void doGet(HttpServletResponse req,HttpServletResponse resp) thro
ws ServletException,IOException{

  ^
6 errors


I know Java not found package javax.servlet, I remember there is a file
"servlet.jar"
in Tomcat4 and I guess to put it in java directory,but Tomcat5 didn't have this
file.
How do I to solve this problem?

Thanks in advance!




__ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ ____ __
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<META content="MSHTML 6.00.2800.1226" name=GENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT size=2>I use JDK 1.4.1_02 and Tomcat5.0 under Window2000 Server,
I&nbsp;have a Servlet file,like follows:</FONT></DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV>
<DIV><FONT size=2>import javax.servlet.*;<BR>import
javax.servlet.http.*;<BR>import java.io.*;<BR>public class a1 extends
HttpServlet{<BR>&nbsp;public void doGet(HttpServletResponse
req,HttpServletResponse resp) throws
ServletException,IOException{<BR>&nbsp;&nbsp;PrintWriter
pw=resp.getWriter();<BR>&nbsp;&nbsp;pw.println("&lt;html&gt;&lt;body&gt;Hello
World!&lt;/body&gt;&lt;/html&gt;");<BR>&nbsp;&nbsp;pw.close();<BR>&nbsp;}<BR>}<
/FONT></DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV></DIV>
<DIV><FONT size=2>but when I compile it,it raises many errors:</FONT></DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT size=2>a1.java:1: package javax.servlet does not exist<BR>import
javax.servlet.*;<BR>^<BR>a1.java:2: package javax.servlet.http does not
exist<BR>import javax.servlet.http.*;<BR>^<BR>a1.java:4: cannot resolve
symbol<BR>symbol&nbsp; : class HttpServlet<BR>location: class a1<BR>public class
a1 extends
HttpServlet{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
^<BR>a1.java:5: cannot resolve symbol<BR>symbol&nbsp; : class
HttpServletResponse<BR>location: class
a1<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; public void
doGet(HttpServletResponse req,HttpServletResponse resp) thro<BR>ws
ServletException,IOException{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
^<BR>a1.java:5: cannot resolve symbol<BR>symbol&nbsp; : class
HttpServletResponse<BR>location: class
a1<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; public void
doGet(HttpServletResponse req,HttpServletResponse resp) thro<BR>ws
ServletException,IOException{<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;
^<BR>a1.java:5: cannot resolve symbol<BR>symbol&nbsp; : class
ServletException<BR>location: class
a1<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; public void
doGet(HttpServletResponse req,HttpServletResponse resp) thro<BR>ws
ServletException,IOException{</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV><FONT size=2>&nbsp;&nbsp; ^<BR>6 errors</FONT></DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT size=2>I know Java not found package javax.servlet, I remember there
is a file "servlet.jar"&nbsp;</FONT></DIV>
<DIV><FONT size=2>in Tomcat4 </FONT><FONT size=2>and I guess to put it in java
directory,but Tomcat5 didn't have this file.</FONT></DIV>
<DIV><FONT size=2>How do I to solve this problem?</FONT></DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT size=2>Thanks in advance!</DIV>
<DIV><BR></DIV></FONT>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV></BODY></HTML>
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To unsubscribe, send email to listserv@(protected) and include in the body
of the message "signoff SERVLET-INTEREST".
<p>
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Resources: http://java.sun.com/products/servlet/external-resources.html
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<p>

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