2011년 8월 25일 목요일

[IBM JVM] Native memory leak due to Deflaters in GZIPOutputStream

IZ97009: Native memory leak due to Deflaters in GZIPOutputStream
APAR status
Closed as program error.

Error description
Error Message: java.lang.OutOfMemoryError
.
Stack Trace: exception is java.lang.OutOfMemoryError
        at java.util.zip.Deflater.init(Native Method)
        at java.util.zip.Deflater.<init>(Deflater.java:135)
        at java.util.zip.GZIPOutputStream.<init>(GZIPOutputStream.java:58)
        at java.util.zip.GZIPOutputStream.<init>(GZIPOutputStream.java:70)
        at com.ibm.ws.hamanager.coordinator.vsmessages.bboard.
SubscriberUpdateMs
g.writeObject(SubscriberUpdateMsg.java:217).
Local fix
User should call GZIPOutputStream.close() to clear memory allocated by deflators
Problem summary
Problem was caused a GZIPOutputStream.finish() method did not clean underlying deflators.
Problem conclusion
This defect will be fixed in:
6.0.0 SR9 FP2
.
Problem is resolved by cleaning underlying deflators in GZIPOutputStream.finish()
.
To obtain the fix:
Install build 20110408 or later

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