From: <glassfish_at_javadesktop.org>
Date: Sat, 22 Nov 2008 00:22:06 PST

you can refer :
http://blogs.sun.com/JagadishPrasath/entry/jdbc_connection_pool_templates_glassfish

for required properties to configure pool against a particular driver.

1) Please check whether those settings work for you. If not, post your pool configuration.
2) When you ping, there may be a exception logged in server.log (GF_INSTALL/domains/<domain>/logs/server.log), post the exception.

Happened to see this blog:
http://www.technowledgebase.com/2007/06/05/6/
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