Tomcat Server : Error filterStart

[kasipandian]

Hi Friends
My application is working in my old machine. Then I tried to configure the same applicatio in new machine I'm getting the following errors when I deployed in tomcat server.

Mar 30, 2008 6:48:19 PM org.apache.catalina.core.StandardContext start
SEVERE: Error filterStart
Mar 30, 2008 6:48:19 PM org.apache.catalina.core.StandardContext start
SEVERE: Context startup failed due to previous errors.

But my aplication still working in old machine. And the new machine also has the same configuration of old machine.
Java version 1.4.,Tomcat 5.0, Struts 1.1, Spring 2.0, DB2 8.2
And my filter configuration in Web.xml
<filter>
<filter-name>FormLoginFilter</filter-name>
<filter-class>
com.anfcorp.vendorpayment.authentication.FormLogin Filter
</filter-class>
</filter>
<filter-mapping>
<filter-name>FormLoginFilter</filter-name>
<url-pattern>/j_security_check</url-pattern>
</filter-mapping>
Could you help me out to solve this problem. I'm not able to find out the error, because the same file working fine in my old machine.
Thank you.

Regards
Kasipandian.R