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Status Not under consideration
Workspace IBM i
Categories Languages - CL (Control Language)
Created by Guest
Created on May 19, 2026

RELATED IDEAS

Change GENCMDDOC Command Processing Program to ACTGRP to NOT *NEW

The GENCMDDOC uses the JVM. Its command processing program runs in activation group *NEW.

Therefore each call to GENCMDDOC starts a JVM. It is never reused.

Therefore each call to GENCMDDOC takes "centuries" to get the results, causing contemporary interfaces that need CL Command Help panels to respond poorly.

Either provide a non-Java based solution or change the QUHGCD program in QSYS to a Named Activation Group instead of *NEW.

 

Idea priority Urgent
  • Guest
    Jul 6, 2026

    Thank you for your response about the JVM limitation. I have decided to go ahead with writing my own interface in C that returns the same information, but avoiding JVM use entirely. I have wrapped that interface in an SQL table function and the end-users now see CL Command Help in VSCODE and IBM Bob nearly instantly. Although the IBM-written hover help continues to use the GENCMDDOC feature which users try to avoid due to the extreme length of time it takes to response.  

    Reply
  • Guest
    May 19, 2026
    GENCMDDOC does not use a JVM in the current job.

    On IBM i, only one JVM is allowed per job.
    Reply
  • Guest
    May 19, 2026

    Perhaps I don't understand, but if the activation group is changed to something ACTGRP(QILE) then on the 2nd call to that command/program the activation group is already active and the JVM that was previously loaded would be used.

    Or are you saying, that's now how the JVM works?

    Reply
  • Guest
    May 19, 2026
    Thank you for taking the time to submit your Idea. However, it is being declined. Changing the activation group of the command-processing program would not affect whether GENCMDDOC starts a JVM. It is not feasible to create a non-Java version of GENCMDDOC.

    - IBM Power Systems Development
    Reply

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