We are in the process of installing a z15 8562.T02. We have 2 zip processor which are online. When we start MFA it abends with: JVMDUMP039I Processing dump event "systhrow", detail "java/lang/OutOfMemoryError" at 2021/08/24 15:22:32 - please wait.
Release : 2.0
Component : Advanced Authentication Mainframe
To diagnose why the address space is failing to create new threads, issue the following:
1. The OMVS options on the LPAR (/D OMVS,O on the MVS console)
2. The OMVS segment of the AAM STC
The return codes on the out of memory error are pointing to the MAXTHREADS/MAXTHREADTASKS sizes being insufficient.
Dynamically update the values with the following command in the MVS console:
And then restart the started task MFASTC (ADVANCED AUTHENTICATION MAINFRAME)
Update corresponding BPXPRM parameters for the new settings so that they will be a permanent change and picked up during next IPL.
For reference, these are IBM's minimum recommended values for Java: