error code :60086 , No able to connect to agile using sdk (but able to connect using java main())

Hi,

I am getting the following error while connecting to Agile using AgileSDK PX , i am trying to connect using cookies ,

I am getting this error in one server  (9.3.1.1 version)  and in the other(9.3.1) i am not facing any problem with the same code

SEVERE: null
Error code : 60086
Error message : Call APIException.getRootCause() for details.
Root Cause exception : java.lang.NullPointerException

        at com.agile.api.AgileSessionFactory.createSession(AgileSessionFactory.j
ava:798)
        at com.src.Util.connect(Util.java:47)
        at com.src.AgileSessionServlet.processRequest(AgileSessionServlet.java:4
8)
        at com.src.AgileSessionServlet.doGet(AgileSessionServlet.java:123)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)