2475332 - Out of Memory analysis points to custom code

Symptom

Oberving Out of Memory issue on the system and after following the SAP Note 1883568 to analyze the heap dump file, seeing leak suspects related to applications that don't start with "com.sap*" or "sap.com*". The leak suspect will contain an entry like this one:

The thread <THREAD> keeps local variables with total size <SYZE_IN_BYTES> bytes.

The memory is accumulated in one instance of "<OBJECT>" loaded by "<CLASS_LOADER>".
The thread is executing an HTTP Request to WebDynpro application(s) <CUSTOM_CODE>.

The last line may differ, but it'll always contain a custom method or custom module on it.

Environment

SAP NetWeaver Application Server Java

Product

SAP NetWeaver 7.0 ; SAP NetWeaver 7.1 ; SAP NetWeaver 7.2 ; SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP enhancement package 1 for SAP NetWeaver 7.0 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 2 for SAP NetWeaver 7.0 ; SAP enhancement package 3 for SAP NetWeaver 7.0

Keywords

custom code, out of memory, exitcode, 666, heap dump , KBA , BC-JAS-COR , Enterprise Runtime, Core J2EE Framework , Problem

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