Any idea of how I can downgrade a version of java in my Mac os x lion?

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Any idea of how I can downgrade a version of java in my Mac os x lion?

Due to some development requirement, I need to use the java version 1.6.0_20 but my MBP (Mac OS X 10.7.4 ) has a newer version (1.6.0_33)

I have found several links inside the support.apple.com However, I am unable to download the update version that I need (1.6.0_20 )

http://support.apple.com/kb/HT4141

Then I read that we could use the software Pacifist. Unfortunately it gives me a message asking for the Mac OS X installation program.

Any ideas on how to download the jdk directly?

Thanks!

MacBook Pro, Mac OS X (10.7.4)

Posted on Aug 4, 2012 12:58 PM

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Answer 1

Aug 4, 2012 10:38 PM in response to sparktronics

It should be possible to have muliple versions of Java coexist on OS X. What is the exact error message Pacifist is giving you? I've used it in the past, and it was as simple as open the application, dismiss the donate popup, and drag the package you want to look at on the Dock icon for Pacifist.

Depending on the nature of the package you downloaded from that support article (as in whether it contains all necessary Java files or just the changed), you might be able to extract that particular version of the JDK to a temporary place (like the Desktop) and copy it into the System folder (I know the JDKs used to live in /System/Library/Frameworks/JavaVM.framework/Versions. It might be slightly different now that OS X does not include Java by default and it downloads the runtime on the fly when it is first needed). One problem with this way is it might be removed in a future OSX update.

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