Nightwatch RenBand wrote:
>IBM Java support figured it all out.
>Java8 uses instructions from the instruction set on z10 and higher
>machines.  And WE are using a z9 2096 machine.
>ERGO S-0C1 was for "ain't no such instruction" rather than the usual not on
>a half word boundery.
>Thanks for all your help.  Wish they would either upgrade or replace the
>system so I can go retire... but they keep paying me.....
>https://www.ibm.com/docs/en/sdk-java-technology/8?topic=installing-supported-environments#supported_env_80__zos

Interesting! You might want to ask them when the z10 minimum processor level 
was introduced since (as far as I can tell) it was introduced at some point in 
the service stream. At initial announcement the IBM SDK for z/OS, Java 
Technology Edition, Version 8 was supported on z990/z890 processors or higher 
with z/OS 1.13 or higher. Then, if you wish (not a recommendation), you could 
obtain and run the unsupported release just prior to the introduction of the 
z10 minimum-related code change.

I quickly scanned through the release notes, and I haven't been able to find 
the Service Refresh (SR) or Fix Pack (FP) when the z10 prerequisite was 
evidently introduced. The Program Directory mentions nothing about a z10 
minimum processor level.

Alternatively, IBM still provides most of the Java 8 SDK builds going back to 
the GA release. You can still find them if you navigate through IBM's download 
pages. What you could try is to roll back to the final Fix Pack for each of the 
major Service Refreshes to see which one runs on a z9. Here are the final 
listed Fix Packs for each Service Refresh:

GA+IV70681
SR1 FP10
SR2 FP10
SR3 FP22
SR4 FP11
SR5 FP41
SR6 FP36

SR7 FP16 is current, as I write this. So for example try SR6 FP36. If that 
works, great. If not, try SR5 FP41 next. And so on. I'm assuming any z10 
minimum processor level requirement was introduced at a Service Refresh 
boundary, and that's probably a reasonable assumption.

Please let us know how it goes if you head down any of these paths.

— — — — —
Timothy Sipples
Senior Architect
Digital Assets, Industry Solutions, and Cybersecurity
IBM zSystems/LinuxONE, Asia-Pacific
[email protected]


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