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https://issues.apache.org/jira/browse/DIRMINA-576?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Edouard De Oliveira closed DIRMINA-576.
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Resolution: Invalid
As you state, this is a jdk bug we cannot circumvent as long as we know.
Maybe NIO2 will fix it.
> 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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