Integration of a web application running on tomcat

Question

Hi all experts,
I want to integrate a web application running Apache Tomcat/5.5.20.
it's login page(jsp  page) have two input box uid and pwd.Login Application
calls a servlet in Apache Tomcat/5.5.20 web.xml.
For Accessing the loging page url is http://2.2.3.2:8080/uportal/Login
I tried with app integrator
URL Template  <System.protocol>://<System.server>:<System.port><System.uri>?<Authentication>
URL Template fragment for User Mapping is
login=<MappedUser>&passwd=<MappedPassword>
But its giving error
description The server encountered an internal error () that prevented it from fulfilling this request.
java.lang.NullPointerException
     ubq.base.UEncryptionService.encrypt(UEncryptionService.java:29)
     ubq.base.UUserManager.loginUser(UUserManager.java:25)
     ubq.base.ULoginServlet.doPost(ULoginServlet.java:106)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
     javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
Can any body help me ,My problem is that i cant change any code in backend application.
Thanks in advance.
Regd,
Sanjay

Answer 1

Hi Sanjay,
Does the Tomcat is in the local System?
If it is in local system try to run the application using
<serverhost>://localhost:8080/......
else for remote server
Its always safe to add an entry (alias name) in drivers/hosts file with the ip address of the server like
2.2.3.2     myLocalServer
Now try to run and see.
Thanks,
Swathi
PS:points are welcome:-)