Problem for retriveing servlet class file (error in DD) I think so

Question

hi to all ,
my deployment descriptor is here ....
I tried to access servlet ... I got the response is like that
The requested Resource is not available
why its happening ?
<?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>
<welcome-file-list>
     <welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<listener>
     <listener-class>CallMonitor.MyListener</listener-class>
</listener>
<servlet>
     <servlet-name>LoginAction</servlet-name>
     <servlet-class>LoginAction</servlet-class>
</servlet>
<servlet>
     <servlet-name>InsertData</servlet-name>
     <servlet-class>InsertData</servelt-class>
</servlet>
<servlet-mapping>
     <servlet-name>LoginAction</servlet-name>
     <url-pattern>/LoginAction</url-pattern>
</servlet-mapping>
<servlet-mapping>
     <servlet-name>InsertData</servlet-name>
     <url-pattern>/InsertData</url-pattern>
</servlet-mapping>
<context-param>
     <param-name>jdbcurl</param-name>
     <param-value>jdbc:mysql://localhost:3306/test</param-value>
</context-param>
</web-app>But i remove the code from it , i can access LoginAction Servlet..
<servlet>
     <servlet-name>InsertData</servlet-name>
     <servlet-class>InsertData</servelt-class>
</servlet>
<servlet-mapping>
     <servlet-name>InsertData</servlet-name>
     <url-pattern>/InsertData</url-pattern>
</servlet-mapping>
In Tomcat manager i found the applicaton is not running.
i started the application using start command...
But i got error message
FAIL - Application at context path /25.7 could not be started
Message was edited by:
kannankalli

Answer 1

<servlet-class>InsertData</servelt-class>Closing element for <servlet-class> is wrong.
Before posting for any help check following stuff
- Whether deployment descriptor is well-formed
- Whether it is valid i.e. all elements are properly placed