RFR  Memory leak in some NetworkInterface methods
david.holmes at oracle.com
Thu Aug 8 01:35:16 UTC 2013
On 8/08/2013 11:20 AM, Ivan Gerasimov wrote:
> Thanks Alan!
> I've checked that and it turns out that GetStringUTFChars cannot return
> For allocation of the result string it calls AllocateHeap() with the
> default EXIT_OOM fail strategy.
> Thus, in case of being unable to allocate memory it simply stops VM.
Ouch! That is a hotspot bug. GetStringUTFChars is supposed to throw
OutOfMemoryError if it has memory issues, not abort the VM!
I recommend that you check for NULL and/or a pending exception.
> Sincerely yours,
> On 08.08.2013 5:05, Alan Bateman wrote:
>> (cc'ing net-dev).
>> The change looks okay to me. One suggestion (while you are there) is
>> to check the return from GetStringUTFChars so that the name returns
>> when it fails with NULL.
>> On 07/08/2013 17:46, Ivan Gerasimov wrote:
>>> Hello everybody!
>>> Some methods of NetworkInterface class were reported to leak memory.
>>> http://bugs.sun.com/view_bug.do?bug_id=JDK-8022584 (not yet available.)
>>> Examples are isUp() and isLoopback().
>>> Affected versions of jdk are 6, 7 and 8
>>> Would you please review a simple fix that removes the unnecessary
>>> Sincerely yours,
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