Minimum Java Version question

[mike shugar <Mi...@hotmail.com>]

Hi,

Looking at the versions table here - does "Minimum Java Version" mean the lowest required version to run the Tomcat version, or does it mean the lowest version that can run on the Tomcat version?
http://tomcat.apache.org/whichversion.html

So can Java 1.3 JARs run on Apache 7 as long Java 1.6 is also installed?

If so, would you expect Java 1.3 to be able to run on all future versions of Tomcat?


Thanks,

Mike

RE: Minimum Java Version question

["Caldarale, Charles R" <Ch...@unisys.com>]

> From: mike shugar [mailto:MikeShugar@hotmail.com] 
> Subject: Minimum Java Version question

> Looking at the versions table here - does "Minimum Java Version" 
> mean the lowest required version to run the Tomcat version

Yes.

> or does it mean the lowest version that can run on the Tomcat version?

That part of the question makes no sense.  The JVM, not Tomcat, runs Java code.

> So can Java 1.3 JARs run on Apache 7 as long Java 1.6 is also installed?

I'll assume that by "Java 1.3 JARs" you mean Java code compiled with a 1.3 JRE.  The answer, unfortunately, is maybe.  Sun/Oracle have changed some JRE and servlet APIs since 1.3 in an incompatible fashion, so code built on older levels may not be loadable by the JVM.  (Tomcat doesn't care, the JVM does.)

> If so, would you expect Java 1.3 to be able to run on all future 
> versions of Tomcat?

That's not up to Tomcat, but rather the JVM.

 - Chuck


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