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Dependency of 32bit JDK that is packaged with weblogic 9.2MP3 being installed on 64 bit processor

sumit mathur
Ranch Hand

Joined: Sep 01, 2009
Posts: 34
Hi

We are using a 64bit processor on a solaris OS. We need to install Weblogic 9.2 MP3 on this architecture.

What is the recommended JDK version i.e 32bit/64 bit ? that we should be using with the weblogic server & why?

Any help is greatly appreciated
sumit mathur
Ranch Hand

Joined: Sep 01, 2009
Posts: 34
And we are using JDK 1.5 ..
Deepak Bala
Bartender

Joined: Feb 24, 2006
Posts: 6661
    
    5

Does weblogic mention any preferences ? It would make sense to use the 64bit JDK. That can take advantage of the underlying architecture. I am not aware of a serious bug that would prevent you from doing this. Write to BEA (oracle ) and ask them.


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sumit mathur
Ranch Hand

Joined: Sep 01, 2009
Posts: 34
BEA/Oracle mention that they recommend 64 bit JDK for a 64 bit processor. When asked why, the reply was that 32 bit JDK would cause crashes, & that 64 bit would give better performance.

Has anyone got/point us to any numbers/theory to validate their claim?
Deepak Bala
Bartender

Joined: Feb 24, 2006
Posts: 6661
    
    5

sumit mathur wrote:BEA/Oracle mention that they recommend 64 bit JDK for a 64 bit processor. When asked why, the reply was that 32 bit JDK would cause crashes, & that 64 bit would give better performance.

Has anyone got/point us to any numbers/theory to validate their claim?


If that is their recommendation better follow it. Surely you do not want crashes in production
 
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subject: Dependency of 32bit JDK that is packaged with weblogic 9.2MP3 being installed on 64 bit processor