Custom page session not working

Hi All,

I have modified custom.jsp file to customize BI launchpad, where in this page I put code to display logon form and after form submission it will go to Action.jsp to validate credentials using below code.

*********************************************************************************

// If no session already exists, logon using the specified parameters.

if (enterpriseSession == null)

{

  try

  {

  // Log on to BusinessObjects Enterprise

  enterpriseSession = CrystalEnterprise.getSessionMgr().logon(strUserName,strPassword, "XXX:6400" ,strAuthType );

  defaultLogonToken = enterpriseSession.getLogonTokenMgr().getDefaultToken();

  enterpriseSession = CrystalEnterprise.getSessionMgr().logonWithToken(defaultLogonToken);

  // Store the IEnterpriseSession object in the session.

  session.setAttribute("EnterpriseSession", enterpriseSession);

  // Create the IInfoStore object.

  IInfoStore iStore = (IInfoStore) enterpriseSession.getService("InfoStore");

  // Store the IInfoStore object in the session using the

  // helper functions.

  session.setAttribute("InfoStore", iStore);

  // Store the logon token for later use.

  session.setAttribute("token", defaultLogonToken);

  }

  catch (SDKException e) {  sSuccessFailMsg = e.getMessage();

*********************************************************************

This code is working fine and I am able to logon and go to home page, below is the issue I am facing can you please let me know how to solve this issue.

Once I logon to BI launchpad, if I refresh web page it's redirecting me to logon page again and also in next tab if I use same URL it's asking to to enter logon details.

Please lt me know how to use defaultlogon token to login without entering credentials.

Thanks,

Mani