OraOps.dll differences on 64-bit and 32-bit

Just wanted to post this here, maybe it'll save someone a lot of headaches.
We have a 64-bit Intel Xeon server running W2K3. We developed on a 32-bit Server using XE Database and XE Client.
Then, we install the 64-bit oracle client on the prod. server (running Intel Xeon 64-bit)
The file OraOps.dll exists in both installation, no problem. BUT the 64-bit OraOps.dll file has an entry point called "OpsPrmAllocOpoPrmCtx", whereas the 32-bit OraOps.dll file has an entry point called "OpsPrmAllocPrmCtx"".
We kept getting an error on the 64-bit box saying "cannot find entry point OpsPrmAllocPrmCtx in file OraOps.dll".
To fix this, we installed the 32-bit client on the 64-bit server and all worked well.
Also, we noticed in the 32-bit client there was an option under the Windows Compoonents to install the ODP .Net Provider along with the client install. This option apparently does not exist (yet) in the 64-bit Client installation.
Increase gray hair = 1,000. Hours of lost sleep = 46.4 Finally finding the solution = priceless.
Hope this is able to help someone.

Hello,
You can cluster heterogeneous JDK across heterogeneous operating systems.
So yes you can mix 32bit and 64bit JVMs.
-Dave

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OraOps.dll differences on 64-bit and 32-bit

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