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404 Exception

 
Greenhorn
Posts: 8
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Hi to All.....
Frnds I am creating WEB application in which i am using JSP,Servlet,Bean-Class. I have developed it in Tomcat 4.1.10 but due to some reason it is corrupt and now i have installed Tomcat 4.1.31 .After installed i am facing new problem my servlet is not called .It shows 404 Exception servlet not found .any one please tell me why is this happening .I have checked the spelling and Servlet there is not problem.

My WEB.XML is
---------------------------------------------------------------------
<?xml version="1.0" encoding="ISO-8859-1"?>
<!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>login</servlet-name>
<servlet-class>loginServlet</servlet-class>
<servlet-mapping>
<servlet-name>login</servlet-name>
<url-pattern>servlet/*</url-pattern>
</servlet-mapping>
</servlet>

<security-constraint>
<display-name>Security Constraint</display-name>
<web-resource-collection>
<web-resource-name>USER</web-resource-name>
<url-pattern>/*</url-pattern>
<http-method>DELETE</http-method>
<http-method>GET</http-method>
<http-method>POST</http-method>
<http-method>PUT</http-method>
</web-resource-collection>

<auth-constraint>
<role-name>usr</role-name>
<role-name>adm</role-name>
</auth-constraint>

<user-data-constraint><transport-guarantee>NONE</transport-guarantee></user-data-constraint>
</security-constraint>

<login-config>
<auth-method>FORM</auth-method>
<realm-name>Form-Based Authentication</realm-name>
<form-login-config>
<form-login-page>/index.jsp</form-login-page>
<form-error-page>/Error.jsp</form-error-page>
</form-login-config>
</login-config>

<security-role>
<description>Administrator </description>
<role-name>adm</role-name>
</security-role>

<resource-ref>
<description>Connection</description>
<res-ref-name>jdbc/connection</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>

<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>

</web-app>
--------------------------------------------------------------------
 
Ranch Hand
Posts: 328
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In your code there is a line in web.xml

<url-pattern>servlet/*</url-pattern>

In tomcat 4.1 you must specify (/)in url pattern. In short the above line should change to
<url-pattern>/servlet/*</url-pattern>
it will work definitely.

regards
Shrinivas Mujumdar
 
Shrinivas Mujumdar
Ranch Hand
Posts: 328
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In your code there is a line in web.xml

<url-pattern>servlet/*</url-pattern>

In tomcat 4.1 you must specify (/)in url pattern. In short the above line should change to
<url-pattern>/servlet/*</url-pattern>
it will work definitely.

regards
Shrinivas Mujumdar
 
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