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From (Jeffrey D. Brekke)
Subject Re: Moving up to JVM 1.4+
Date Tue, 30 Dec 2003 18:28:14 GMT

>>>>> On Tue, 30 Dec 2003 18:44:49 +0100, Paul Libbrecht <>

> Our current server (ActiveMath) is blocked entirely by JDK 1.4: it's
> a server with slightly too heavy memory requirements and the result
> is... OutOfMemoryError on most Unix-VMs if in JDK 1.4. (especially
> true on MacOSX, very frequent on Sun and Blackdown's on Linux).
> Hence the wish not to depend on this for libraries that we would
> take.

We've also been bitten by a 1.4.0 implementation of the jvm on Windows
and that has frozen us to some extent. This one was a killer for us:

I understand this situation and hopefully we can provide some way to
still support pre-1.4 version if we even decide to start using

> However, I wouldn't object the build of a jakarta-commons component
> to require JDK 1.4.

> Paul

> On 30-Dec-03, at 18:06 Uhr, Noel J. Bergman wrote:

>>> This has come up in regards to using some of java.nio in
>>> Commons/Net also.  I say we leave the last release as 1.1
>>> compatible and move on to using 1.4+ for new versions.
>>  Personally, I use JVM 1.4+, myself.  However, everytime we do a
>> survey on server-user, we get emphatic feedback from our users to
>> preserve support for JVM 1.3.1.  Before dropping support for
>> pre-1.4 systems, perhaps it would be a good idea to raise the
>> question on the user list?
>> There are also ways to support pre-1.4 while still gaining the
>> advantage of 1.4+ systems when available.
>> --- Noel
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Jeffrey D. Brekke                         
Wisconsin,  USA                           

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