java.lang.OutOfMemoryError in Direct buffers
---------------------------------------------
Key: DIRMINA-576
URL: https://issues.apache.org/jira/browse/DIRMINA-576
Project: MINA
Issue Type: Bug
Components: Core
Environment: SunOS [box] 5.10 Generic_120011-14 sun4v sparc
SUNW,Sun-Fire-T200
java version "1.5.0_12"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_12-b04)
Java HotSpot(TM) Server VM (build 1.5.0_12-b04, mixed mode)
Discovered using MINA 1.1.2
Reporter: Jane Prusakova
The problem showed up after MINA-based server has been running for ~100hours,
including a few hours at the peak load.
OutOfMemoryError has been logged 300000 times in a span of few minutes, then
servers crashed. This scenario happened on several dozen boxes at the same
time, with the same load.
java.lang.OutOfMemoryError
at sun.misc.Unsafe.allocateMemory(Native Method)
at java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:99)
at java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:288)
at sun.nio.ch.Util.getTemporaryDirectBuffer(Util.java:57)
at sun.nio.ch.IOUtil.read(IOUtil.java:205)
at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:207)
at
org.apache.mina.transport.socket.nio.SocketIoProcessor.read(SocketIoProcessor.java:201)
at
org.apache.mina.transport.socket.nio.SocketIoProcessor.process(SocketIoProcessor.java:181)
at
org.apache.mina.transport.socket.nio.SocketIoProcessor.access$500(SocketIoProcessor.java:44)
-XX:MaxDirectMemorySize has not been set, it was running with the default value
(64MB).
The load peaked 24hours before the errors started to show up, at the time of
the crash the load on the servers has been at ~60% of the peak load.
We contacted Sun regarding this issue, and they pointed out RFE 6296278:
http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6296278
There is a workaround suggested to make ByteBuffer release its memory w/o
waiting for GC.
Is this addressed in the latest releases of MINA?
thanks
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