Unable to use Cache connect to oracle

Hi Friends,
I am using TimesTen Cache connect to oracle to connect to Oracle 9i. When I tried to
Command> call ttCacheUidPwdSet('testuser','mypsswrd'); it gave me an error saying
"con1: Command> call ttCacheUidPwdSet('TestUser', 'prashant');
Warning 5105: OCI initialization failed: Error due to failure of ttOCIEnvNlsCre
ate (called from ttBDbEnvAlloc/ttBDbInit).
Warning 5109: Cache Connect general error: BDB connections not open."
can anybody tell me what could be the problem.
And to use cache connect is there a separate installation ? or setting ?
Thanks,
Prashant

What exact version of Oracle client is installed on the TimesTen machine? Are the permissions for the Oracle client directory and files set correctly? Do you have your Oracle environment properly setup (i.e. can you connect to Oracle using SQL*PLUS)? When you installed TimesTen, did the user you used to install it have a valid Oracle environment?
This type of error is almost always due to an unsupported version of the client or an incorrect environment either at runtime or at installation time.
Chris

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(C) Copyright 1985-2001 Microsoft Corp.
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"coding best-practices" is not mentioned in the post.
In order to make servlet application run significantly faster, my servet how to use connection poo is much moreresonable?
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http://download.oracle.com/docs/cd/E17904_01/web.1111/e13726/toc.htm
http://download.oracle.com/docs/cd/E17904_01/web.1111/e13737/jdbc_datasources.htm#insertedID0

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