IBM i: Overwriting when determining communication data

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Symptom
SAPOSCOL ends due to a termination, and MCH3601 is displayed in the function AiUpCall in the job log.
Other terms
AS/400, OS400, system i, i5/OS, iSeries
Reason and Prerequisites
When determining the communication data, an internal memory is created that is too small. If this internal memory is filled gradually during the runtime of SAPOSCOL, the system [...]

IBM i: Checking already completed child processes

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Symptom
Terminating an SAP system takes longer than usual. Sometimes only the job SAPSTART is active in the subsystem without being terminated.
Other terms
AS/400, OS400, system i, i5/OS, iSeries
Reason and Prerequisites
When the instance is stopped, SAPSTART sends a stop command to all jobs you started and it then checks if they are still active. SAPSTART [...]

IBM i: Error when starting a remote instance

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Symptom
If you want to stop a remote instance from the central instance host, the command STOPSAP has no effect.
Other terms
AS/400, OS400, system i, i5/OS, iSeries
Reason and Prerequisites
This problem is caused by a programming error.
Solution
The following patches with at least the specified patch level correct the problem (the specification nn will soon be defined):
SAP Release 640: [...]

IBM i: Missing replacement of R3INLPGM in R3400

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Symptom
When you apply a patch, the program R3INLPGM in the library R3400 should be replaced automatically. However, this does not occur.
Other terms
AS/400, OS400, system i, i5/OS, iSeries
Reason and Prerequisites
The program R3INLPGM in R3400 is not automatically replaced after you apply a patch R3INLPGM or ILE, but only if its internal version has changed. [...]

Hyblib tools now also support directories

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Symptom
You want to use the “sapstartsrv” in systems with a 6.40 kernel, or the system issues the following error message when you call APYR3FIX:
found invalid record (…) ifsname=servicehttp
Other terms
sapstartsrv, saphostagent, system, i, hybrid library, o4affile, APYR3FIX, servicehttp
Reason and Prerequisites
You ported sapstartsrv from kernel release 7.00 to 6.40. Due to sapstartsrv, new requirements exist [...]

IBM i: IT4J: Xlp64k is not supported by some processors

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Symptom
After the conversion of your SAP NetWeaver system to IT4J using CONFIGJVM, the system no longer starts. The Java processes terminate, and the system issues the following message:
JVMJ9GC032E System configuration does not support option ‘-Xlp’
Other terms
IBM i, CONFIGJVM, Java, OS400, AS400, IT4J, J9, Xlp46k, JVMJ9GC032E
Reason and Prerequisites
The Java virtual machine IT4J does not [...]