RE: Which JVM?

["Nathan M. Andelin" <nandel@xxxxxxxxxxxxxxxxxxx>]

As a follow-on question, do vendors need to be concerned about JVM backward
compatibility?  We'd like to install the TN5250J applet (an open source
product), at customer sites.  Should we expect to receive many support calls
from users regarding JVM compatibility, and in particular with respect to
future JVM levels supporting a current product?

Thanks,

Nathan.


-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Mark Phippard
Sent: Thursday, January 13, 2005 1:11 PM
To: Midrange Systems Technical Discussion
Subject: Re: Which JVM?


midrange-l-bounces+markp=softlanding.com@xxxxxxxxxxxx wrote on 
midrange-l-bounces+01/13/2005
03:05:51 PM:

> I was having an issue with Fix Central.  They like to think they are
> flawless so they assumed that it was because I was running some older 
> version of JVM.  I downloaded the latest JVM from Sun and started using 
> that with IE.  Now my IE locks up very often - especially when using 
> Infocenter.  And then doing a search is a guaranteed lockup.
> Add/Remove programs shows:
> Java 2 Runtime Environment Standard Edition v1.3.1_04
> Java 2 Runtime Environment Standard Edition v1.4.1_04
> Java 2 Runtime Environment Standard Edition v1.4.2_06
> 
> When I check out the JVM from within IE it shows the last one.
> 
> 1 - Will removing one of these help?  Does having more confuse IE? 2 - 
> Will removing one of these hurt, like harming WDSC?

I can answer the second one.  WDSC includes its own JVM and will not be 
impacted by your decision.  Java 1.4.2_06 includes a fairly significant 
security fix, so I would not remove it.

I would probably uninstall all 3, and then reinstall the most recent.

Mark


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