Norman Maurer 6f8b2072e7 Ensure we only call ReferenceCountUtil.safeRelease(...) in finalize() if the refCnt() > 0
Motivation:

We need to ensure we only call ReferenceCountUtil.safeRelease(...) in finalize() if the refCnt() > 0 as otherwise we will log a message about IllegalReferenceCountException.

Modification:

Check for a refCnt() > 0 before try to release

Result:

No more IllegalReferenceCountException produced when run finalize() on OpenSsl* objects that where explicit released before.
2016-08-11 08:56:23 +02:00
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