Description of problem:

When trying to add a second entry for 'Allow Override' directive in a directory apache resource (Ex: /var/www/error Directory), unchecking the 'Unset' checkbox for 'Param' field display globally uncaught exception in UI and message center.

Please find attached the details of error attached.

There are no errors in server or agent log.

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

Build: Version: 3.1.1.ER2
Build Number: f546515:4eb3f2c
Database: PostgreSQL 8.3.8
Browser: Firefox 10.0.2
Java Version: jre1.7.0_05

How reproducible:

Always

Steps to Reproduce:

1. Login to JBoss ON.
2. Navigate to the apache httpd resource->Apache Virtual Hosts->Main->Directories->Any directory (Ex: /var/www/error Directory).
3. Navigate to 'Configuration->Current' tab of the directory.
4. Navigate to the 'Inventory' tab of the virtual host.
5. Click on 'Add' symbol in 'Allow Override' section.
6. Uncheck the 'Unset' checkbox for 'Param' field
7. Enter a value in 'Param' field (Ex: AuthConfig)
8  Click on OK button.
9. Again click on 'Add' symbol in 'Allow Override' section.
10. Uncheck the 'Unset' checkbox for 'Param' field.
11. UI in the background displays globally uncaught exception.
  
Actual results:

UI displays globally uncaught exception.

Expected results:

No error should be displayed

Additional info:

Observed the same error when following the same steps in Apache IfModule (Ex: Apache Resource->Main->Ifmodules->mod_include.c->Configuration->Allow Override section)