Basis Errors and Solutions

Symptom
1. In transaction ST02, the system displays the value for the maximum heap memory consumption in the column “In Mem [KB]” instead of in the column “MaxUse [KB]“.
2. In the “Load History” of transaction ST03N, the headers “Parts of response time” and “GUI times” are swapped.
Other terms
RSTUNE50, heap peak memory, workload overview, history
Reason and [...]

Symptom
You can use the system parameter “icf/shared_memory_cache_off” to deactivate the caching of the ICF runtime. Two types of caching mechanisms are used in the ICF runtime. The first type is caching in the memory and the second type involves the shared memory object. You can use the parameter mentioned above to deactivate either [...]

Symptom
You create an interval in a year-dependent number range, and an interval for a later year already existed before. For the interval that already existed before, a buffer was created in the main memory because numbers were already used from the interval. If a number from the newly created interval is [...]

Symptom
This note outlines several errors in the Memory Inspector:
1. The SCC pushbutton does not work in the debugger.2. The work process may terminate when you write a memory snapshot.3. Memory is lost when you write a memory snapshot or when you display the top n lists in the debugger.4. The RUNT_ILLEGAL_SWITCH short dump occurs when [...]

Symptom
You notice that, the J2EE Engine goes into a never ending cycle of restarts, due to OutOfMemory Error. This error is noticed in the thread dumps and default traces as follows:
“FATAL: Caught OutOfMemoryError! Node will exit with exit code 666″
=======================================================================
java.lang.OutOfMemoryError
Other terms
SAP XI AF Messaging ,SAP XI AF ,OOM ,Out Of Memory ,restart ,J2EE , [...]