IBM z/OS Management Facility (z/OSMF)

IBM z/OSMF

IBM z/OSMF

The IBM z/OS Management Facility framework improves programmer productivity by using simplified, streamlined and automated tasks. This easier-to-use functionality reduces both programmer training time and the learning curve.

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  • 1.  z/OSMF requirements for Java

    Posted Tue May 07, 2024 12:14 PM

    Hello z/OSMF community,

    Please help confirm or correct my java requirements understanding.

    Reading Marna Walle's cross post, I think z/OSMF 2.5 requires Java 8 and z/OSMF 3.1 requires Java 17.  Is my understanding here correct and where is the best documentation to reference for this information?

    Thank you,

    Tracy Ison



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    Tracy Ison
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  • 2.  RE: z/OSMF requirements for Java

    Posted Tue May 07, 2024 01:14 PM

    Hi Tracy! 

    My understanding is that z/OS 2.5's default is Java 8 and it supports 8 and 11 (the latter through Nov 2024). z/OS 3.1's default was Java 11; however, when Java 11 reached EOM in 1Q24, Java 17 became the default on 4/1. Therefore, clients on 3.1 are recommended to transition to Java 17 by end of Nov 2024.  The official publication change is available on the following page: z/OS 3.1 Planning for Installation, Software requirements for running z/OS 3.1.

    Sounds like you've already seen it, but for those that haven't, Marna's recent blog breaks it down nicely with support/ timeline graphs. (Marna also has a previous blog that has similar information but might be a helpful read.) 

    Please let me know if you have any other questions. Thank you,

    Fiona King

    Fiona.king@ibm.com



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    Fiona King
    z/OS Product Manager
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    Original Message


  • 3.  RE: z/OSMF requirements for Java

    Posted Tue May 07, 2024 02:45 PM

    Thank you, Fiona!



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    Tracy Ison
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    Original Message


  • 4.  RE: z/OSMF requirements for Java

    Posted Wed May 08, 2024 07:24 AM
    Hi Tracy.

    If you are looking for the 'official' z/OS documentation it is of course in  "z/OS Planning for Installation" manual in the section "Software Requirements for running z/OS 3.1":


    Keith Gooding



    Original Message


  • 5.  RE: z/OSMF requirements for Java

    Posted Wed May 08, 2024 01:12 PM

    Hi Tracy,

    The answer to any question about what the z/OS release software dependencies are, is always the z/OS Planning for Installation book, Appendix B.  https://www.ibm.com/docs/en/zos/3.1.0?topic=installation-software-requirements-running-zos-31

    I've also blogged about the Java and z/OS 3.1, if you wanted a more casual discussion:  https://www.marnasmusings.com/2024/04/no-time-for-fooling.html  .  In general, I've already blogged about finding z/OS software dependencies, and how z/OS is different than other products which use something I call a "Software Matrix" website, which you can find here:  https://www.marnasmusings.com/2024/01/beyond-matrix-clicking-your-way-through.html

    Hopefully those links will address your questions, but if you find you need more, please let us know!



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    Marna Walle
    z/OS Installation and Upgrade
    IBM Poughkeepsie
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    Original Message


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