Re: Switching from 1.3 to 1.4 ...

Mike,

I found this page yesterday which lists all the JVM versions for different
versions of WAS, so yes WAS 5.1 is already using 1.4:
http://www-1.ibm.com/support/docview.wss?uid=swg27005002

(and even if it wasn't, you can't change it anyway.  The JVM version used
by WAS is fixed).

I don't see any need to recompile or redeploy your apps, although it might
be wise to retest them first, just in case.  Also run them through a 1.4
compiler (but throw away the compiled classes if you like) just to see if
there's any APIs you're using which are now deprecated - if so, you may
want to consider changing your code either now or later.

How you actually get your pgms to use the new JVM version, whether its as
simple as just installing the new option, I'm not sure.

Regards,

Nigel Gay,
Computer Patent Annuities Limited.



                                                                           
             Mike Burdette                                                 
             <Mike.Burdette@co                                             
             mporium.com>                                               To 
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                                                                   Subject 
                                       Switching from 1.3 to 1.4 ...       
             12/03/2007 06:39                                              
             PM                                                            
                                                                           
                                                                           
             Please respond to                                             
             Java Programming                                              
             on and around the                                             
              iSeries / AS400                                              
             <java400-l@midran                                             
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Hi:

Believe it or not, we have never moved from version 1.3 for our iSeries.
Is using 1.4 as simple as installing  5722-JV1 Option 6 ? We have several
Java applications residing on the iSeries in the IFS that were developed
in WDSCi and compiled under 1.3. Will these have to be recompiled and
redeployed? We are also running WAS Express 5.1. It looks as though it is
using 1.4 already ("Java Home = /QIBM/ProdData/Java400/jdk14"), so I
assume this change would not affect WAS at all.

Thanks
Mike
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