-none- 2007-09-03 - By David Delbecq
Back
Check also it's neither in shared/lib and that there is no CLASSPATH
defined (tomcat handles all by itself classpath).
David Delbecq a ?crit :
> Check you didn't add servlet-api to your webapp classpath. The
> servlet-api must *not* be present in WEB-INF/lib
> Ghodmode a ?crit :
>> I've had some problems loading servlets, so I tried a basic
>> HelloWorld just
>> to make sure everything was working.
>>
>> java.lang.NoClassDefFoundError: javax/servlet/http/HttpServlet
>>
>> servlet-api.jar is in $CATALINA_HOME/lib just like it's supposed to
>> be. All
>> of the example JSPs and servlets work fine.
>>
>> Does anyone know what I might be doing wrong?
>>
>> Apache Tomcat 6.0.14
>> Java 1.6.0_02-b05
>>
>> Here's my HelloServlet.java:
>> @(protected):~/dev/tomcat/webapps$ cat
>> HelloServlet/WEB-INF/classes/mypackage/HelloServlet.java
>> package mypackage;
>>
>> import javax.servlet.http.*;
>> import javax.servlet.http.HttpServlet;
>> import javax.servlet.*;
>> import java.io.*;
>>
>> public class HelloServlet extends HttpServlet
>> {
>> public void doGet( HttpServletRequest req,
>> HttpServletResponse resp
>> )
>> throws ServletException, IOException
>> {
>> PrintWriter writer = resp.getWriter();
>> writer.println( "<h1>Hello World</h1>" );
>> }
>> }
>>
>> Here's my web.xml:
>> @(protected):~/dev/tomcat/webapps$ cat HelloServlet/WEB-INF/web.xml
>> <?xml version="1.0" encoding="UTF-8 (See http://UTF-8.ora-code.com)"?>
>> <!DOCTYPE web-app PUBLIC
>> "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
>> "http://java.sun.com/dtd/web-app_2_3.dtd">
>> <web-app>
>> <servlet>
>> <servlet-name>HelloServlet</servlet-name>
>> <servlet-class>mypackage.HelloServlet</servlet-class>
>> </servlet>
>>
>> <servlet-mapping>
>> <servlet-name>HelloServlet</servlet-name>
>> <url-pattern>/helloservlet/*</url-pattern>
>> </servlet-mapping>
>> </web-app>
>>
>> Thank you,
>> -- Ghodmode
>>
>>
>
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