Problem getting db connection when using virtual hosts / tomcat / apache

Hello,
I have servlets that use a connection pool to query an oracle database. When running Tomcat 5.5 stand-alone, everything works fine. But the same servlets do not work when running them on a server tomcat and apache integrated with jk and using virtual hosts. The problem is the connection pool, because servlets not using the pool also work fine.
Does anybody have any idea why this is happening?
Thank you.
Logan

Hi Saish,
Thank you for helping.
Try connecting with the machinen's IP, if this is a viable strategy for you (meaning the database IP is not dynamically assigned).I'm not sure how to do this. Here is a copy of my context.xml:
<Context path="" docBase="" debug="0">
<Resource name="jdbc/CraigsList" auth="Container"
type="javax.sql.DataSource" username="craigslist" password="xxxxxx"
driverClassName="oracle.jdbc.driver.OracleDriver"
url="jdbc:oracle:thin:@localhost:1521:GRI"
maxActive="8" maxIdle="4"/>
</Context>
Does this help?
Thanks.

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