IBM i Global

IBM i 

A space for professionals working with IBM’s integrated OS for Power systems to exchange ideas, ask questions, and share expertise on topics like RPG and COBOL development, application modernization, open source integration, system administration, and business continuity.


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  • 1.  How to check JVM refers to which POI

    Posted Wed March 19, 2025 05:41 PM

    Hi Everyone,

    We need to update POI version on IBM i system. I see POI version 2.5 at location /QIBM/UserData/Java400/ext, however if POI file is removed from this location still program works so not sure how it is working and how internally system handling it. 

    Is there setup exist at system level or checking incorrect location. Please suggest. 

    Thank you !



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    Ujwala Kavathekar
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  • 2.  RE: How to check JVM refers to which POI

    Posted Thu March 20, 2025 01:37 AM
    Edited by Satid S Thu March 20, 2025 01:39 AM

    How about checking IBM i environment variable named CLASSPATH?  If you cannot find it there, just install the new one into a new folder (preferably with an explicit name such as  ..../poi ) and specify it in CLASSPATH.



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    Satid S
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  • 3.  RE: How to check JVM refers to which POI

    Posted Thu March 20, 2025 08:37 AM

    When i ran query to check which system level variables are on the system. Found only below. So no CLASSPATH is added at system level right ?



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    Ujwala Kavathekar
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  • 4.  RE: How to check JVM refers to which POI

    Posted Thu March 20, 2025 08:55 AM

    Right.  This can be verified with  WRKENVVAR LEVEL(*SYS) 



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    Robert Berendt IBMChampion
    Business Systems Analyst, Lead
    Dekko
    Fort Wayne
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