Description of problem:

Installed build#74 from release_jon3.x branch (https://hudson.qa.jboss.com/hudson/view/JON3%20Core/job/rhq-release/74/)

Below issues observed:

1. In the login screen, when i input username/password as rhqadmin/rhqadmin, it does not login and displays the message "The backend datasource is unavailable." in the UI. The server log displays below:

2011-11-14 14:49:29,652 ERROR [org.apache.struts.action.RequestProcessor] Invalid path was requested /Dashboard

User is able to login after clicking on the login button second time.

2. Navigated to Administration->System settings and configured LDAP properties. Logged out and tried to login as LDAP user.
it does not login and displays the message "The backend datasource is unavailable." in the UI. The server log displays below:

2011-11-14 15:09:21,742 ERROR [org.apache.struts.action.RequestProcessor] Invalid path was requested /admin/user/UserAdmin

Tried with different LDAP users but LDAP user login fails with the same error in server log.

LDAP configuration details:
Redhat Directory Server 8.2.0

Search Base: dc=rajantest
Username: cn=Directory manager
Password=Redhat123
Search Filter: objectclass=*
Group Search Filter: objectclass=groupofuniquenames
Group Member Filter: uniquemember
Login Property: uid
URL-> ldap://10.65.201.169:1389

LDAP Users:
sunil1/Redhat123
vijay1/Redhat123

Version-Release number of selected component (if applicable):

build#74 from release_jon3.x branch (https://hudson.qa.jboss.com/hudson/view/JON3%20Core/job/rhq-release/74/)

Postgres Version: 8.4.2

How reproducible:
Always

Steps to Reproduce:

1. Install build#74 from release_jon3.x branch.
2. Enter rhqadmin/rhqadmin at RHQ login screen and click on Login button
(It doesn't login and displays the message "The backend datasource is unavailable.")
3. Click again on Login button. Login is successful.
4. Navigate to Administration->System settings and configure the LDAP properties.
5. Logout and try to login as LDAP user.
6. Login fails with error in server log - "Invalid path was requested /admin/user/UserAdmin"
  
Actual results:

1. rhqadmin login fails the first time, however succeeds second time.
2. Not able to login as LDAP user.

Expected results:

Should be able to login as rhqadmin and LDAP users.

Additional info:

Tested in previous builds. (Build#70 and Build#73 in release_jon3.x branch).  The issues are not obsevred in previous builds. I was able to login as rhqadmin the first time and LDAP login is successful. 

The login issues are reproducible only in build#74.