Bugzilla permissions setting for TestLink integration

[sweetdsp]

Bugzilla permissions setting for TestLink integration
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I did the settings of my remote bugzilla server details in my testlink cfg
as follows.
===============================================
define('BUG_TRACK_DB_HOST', '<IPaddress>');
define('BUG_TRACK_DB_NAME', 'bugs');
define('BUG_TRACK_DB_USER', 'bugzilla');
define('BUG_TRACK_DB_PASS', 'bugzilla');
define('BUG_TRACK_DB_TYPE', 'mysql');
define('BUG_TRACK_HREF', "http://<IPaddress>:8080/bugzilla/show_bug.cgi?id=");
('BUG_TRACK_ENTER_BUG_HREF',"http://<IPaddress>:8080/bugzilla/");
===============================================

When I go to the Test link home I am getting the following error as below.

-------------------------------------------------------------------
Connection to your Bug Tracking System has failed:
Please check your configuration.
Be careful this problem will degrade TestLink performance.
-------------------------------------------------------------------

If I need to do any changes in MYSQL please let me know what and how to do.

[fman]

First check that you can connet to your bugzilla db using myPHPAdmin
or MySQL administrator