got "(firefox:6641):GLib-WARNING **: g_set_prgname() called multiple times" and Test Error

Hi Friends,
I am Running a Selenium RC test in Fedora Core 12 Box. But I got the Error of FireFox path , so I set full path as

$this->setBrowser('*firefox /usr/lib/firefox-3.5.6/firefox');

. It's Working in other Working Environment of Fedora Core 13 , but in my pc
I got warning as :

(firefox:6641): GLib-WARNING **: g_set_prgname() called multiple times

and test Wait some time and Result E(Error) with Exception

PHPUnit 3.3.17 by Sebastian Bergmann.



E

Time: 02:00

There was 1 error:

1) testTitle(WebTest)
RuntimeException: Could not connect to the Selenium RC server.

FAILURES!
Tests: 1, Assertions: 0, Errors: 1.

How it can Remedy , I am using FireFox 3.5.6, is FireFox 2 remedy this problem...


Thankfully
Anes P.A