RE: Java 7

Buck,

Is Java 6 still the default for V7R2?
So if you want to start using Java 7, you must change the configs you mentioned below, and then some.
I know of some 3rd party products that hard the java version based on the i5/OS level.
This is one of those areas that if it ain't broke, don't fix it.
But, we all know we must eventually go to Java 7.

Paul

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Buck Calabro
Sent: Monday, January 12, 2015 4:34 PM
To: midrange-l@xxxxxxxxxxxx
Subject: Re: Java 7

On 1/12/2015 4:07 PM, Amy Hoerle wrote:

I'm looking at installing Java 7 as a requirement for a 3rd Party
product upgrade. Currently everything I run on my system is happy with Java 6.
Anyone have any issues after installing Java 7? This is an IBM i 7.1
partition.

I'm on IBM i 7.2. GO LICPGM tells me this:
5770JV1 *BASE IBM Developer Kit for Java
5770JV1 11 Java SE 6 32 bit
5770JV1 12 Java SE 6 64 bit
5770JV1 14 Java SE 7 32 bit
5770JV1 15 Java SE 7 64 bit

java *version tells me this:
java version "1.6.0"
Java(TM) SE Runtime Environment (build pap3260sr16fp1-20140706_01(SR16 FP1)) IBM J9 VM (build 2.4, JRE 1.6.0 IBM J9 2.4 OS/400 ppc-32
jvmap3260sr16fp1-20140706_01 (JIT enabled, AOT enabled) J9VM - 20140626_204542 JIT - r9_20130920_46510ifx7
GC - GA24_Java6_SR16_20140626_1848_B204542)
JCL - 20140704_01
Java program completed

WRKENVVAR *JOB
JAVA_HOME '/QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit'

I set JAVA_HOME in my initial program because I have some older stuff I want to use with Java 6. I created another user that does not set JAVA_HOME, so here is the system default of JAVA *VERSION:

java version "1.7.0"
Java(TM) SE Runtime Environment (build pap3270_27sr1fp1-20140708_01(SR1
FP1))
IBM J9 VM (build 2.7, JRE 1.7.0 OS/400 ppc-32
jvmap3270_27sr1fp1-20140708_01 (JIT enabled, AOT enabled) J9VM - R27_Java727_SR1_20140707_1408_B205525
JIT - tr.r13.java_20140410_61421.07
GC - R27_Java727_SR1_20140707_1408_B205525
J9CL - 20140707_205525)
JCL - 20140707_01 based on Oracle 7u65-b16 Java program completed


Java 6 and Java 7 can live side by side. You need to ask the 3rd party vendor the recommended method of setting the JAVA_HOME they need.

--
--buck

'I had nothing to offer anybody except my own confusion' - Jack Kerouac
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