You can check:
http://www-01.ibm.com/support/docview.wss?uid=swg21593547&myns=swgtiv&mynp=OCSSGSG7&mync=E

On Fri, May 11, 2012 at 3:38 PM, Richard van Denzel
<rvandenzel AT gmail DOT com> wrote:
> Just to add: I just inspected /usr/ibm/common/acsi/logs/root/acu_de.log and
> found this error:
>
> 11-05-2012 14:04:04.122Exec returned stderr: JVMJ9CL005E Incompatible class
> library version: requires VM v11, found v8
> JVMJ9VM015W Initialization error for library jclscar_24(14): JVMJ9VM009E
> J9VMDllMain failed
> Could not create the Java virtual machine.
>
> 11-05-2012 14:04:04.200Code Page:  null
> 11-05-2012 14:04:04.201Code Page:  null
> 11-05-2012 14:04:04.203Waiting for exec to finish...
> 11-05-2012 14:04:04.987Exec returned exit value: 0
> 11-05-2012 14:04:04.988Waiting for stdout reading thread to die...
> 11-05-2012 14:04:04.989Exec returned stdout:
> 11-05-2012 14:04:04.989Waiting for stderr reading thread to die...
> 11-05-2012 14:04:04.990Exec returned stderr: java version "1.6.0"
> Java(TM) SE Runtime Environment (build pap6460sr9fp1-20110208_03(SR9 FP1))
> IBM J9 VM (build 2.4, JRE 1.6.0 IBM J9 2.4 AIX ppc64-64
> jvmap6460sr9-20110203_74623 (JIT enabled, AOT enabled)
> J9VM - 20110203_074623
> JIT  - r9_20101028_17488ifx3
> GC   - 20101027_AA)
> JCL  - 20110203_01
>
> Also /usr/ibm/common/acsi/logs/root/DE_Install.log contained this error:
>
>        lax.nl.message.vm.not.loaded = The installer either could not find
> a Java VM, or the Java VM on this system is too old. The installer requires
> Java 1.1.5 or later. It can be download
> ed from http://java.sun.com/products/jdk/1.1/jre/
>        lax.resource.dir = AIX
>        lax.stderr.redirect = /stderr
>        lax.stdout.redirect = /stdout
>        lax.user.dir = /tmp/install.dir.2425148
>        lax.version = 11.5
>        line.separator =
>
>        os.arch = ppc64
>        os.encoding = ISO8859-1
>        os.name = AIX
>        os.type = AIX
>        os.version = 7.1
>        path.separator = :
>        si_java_home = /tmp/install.dir.2425148/AIX/resource/jre/jre
>        sun.arch.data.model = 64
> @
>
> I just had a default AIX 7.1 TL1 SP1 installation without any special
> additions.
>
> Richard.