NUll pointer exception in login

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What steps will reproduce the problem?
1.Login as invalid teacher. (i.e. login information not available in db)
2. try the same for student login too.
3.

What is the expected output? What do you see instead?
If invalid login--> proper message (which works even now)
Expected: no Null pointer exception. Invalid condition should be handled 
properly.

Please use labels and text to provide additional information.

Original issue reported on code.google.com by [e-mail] on 15 Feb 2011 at 1:15

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Original comment by [e-mail] on 15 Feb 2011 at 1:22

Attachments:

• error.jpg