Possible overflow for jvmRuntimeHeapSizeCurrent using SNMP?

I'm trying to use SNMP to monitor a managed server (WebLogic 8.1 SP4) and am trying to get the value for the attribute jvmRuntimeHeapSizeCurrent (which has the OID 1.3.6.1.4.1.140.625.340.1.30). The server is configured to start with 2 GB of RAM. The returned value for that attribute is -2147483648 which I think indicates an overflow. The SNMP data type for that OID is INTEGER.
Am I running into a bug? Or does that negative integer indicate something else? Since an INTEGER type cannot have a value more than 2147483647 (approx 1.99 GB), what might be the returned values for Heap sizes greater than 2 GB?
If I should be asking this question elsewhere please let me know where.
Thanks for any help on this.
Kartik

Hi,
I Found CR189563.
It seems the value returned in being stored in int variable which should be a long variable. I have explained that in CR. Engineering is evaluating it and right now it's marked for next release. I will keep you updated regarding any development on this CR.
You can get other statistics using other oid
http://e-docs.bea.com/wls/docs61/snmp/snmpruntime.html#1031510
Prasanna Yalam

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