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Posted to dev@mina.apache.org by "Goldstein Lyor (JIRA)" <ji...@apache.org> on 2018/07/11 15:34:00 UTC
[jira] [Commented] (SSHD-833) Netty: ByteBuf LEAK message
[ https://issues.apache.org/jira/browse/SSHD-833?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16540253#comment-16540253 ]
Goldstein Lyor commented on SSHD-833:
-------------------------------------
{{Netty}} is a very recent addition to SSHD (exists only since 2.0) and as such has not had too much "mileage" being used. We will investigate - meanwhile, I am curios: is there a specific reason why you are using MINA or {{Netty}} and not the NIO2 built-in I/O service factory ? NIO2 is very well tested when compared to MINA or {{Netty}}
> Netty: ByteBuf LEAK message
> ---------------------------
>
> Key: SSHD-833
> URL: https://issues.apache.org/jira/browse/SSHD-833
> Project: MINA SSHD
> Issue Type: Bug
> Affects Versions: 2.0.0
> Reporter: jpalacios
> Priority: Major
>
> We recently switched from the {{MinaServiceFactoryFactory}} to the {{NettyIoServiceFactoryFactory}}. Now whenever the application starts we see the following message:
> {code:java}
> ERROR [nioEventLoopGroup-2-2] io.netty.util.ResourceLeakDetector LEAK: ByteBuf.release() was not called before it's garbage-collected. See http://netty.io/wiki/reference-counted-objects.html for more information.
> Recent access records:
> Created at:
> io.netty.buffer.PooledByteBufAllocator.newDirectBuffer(PooledByteBufAllocator.java:331)
> io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:185)
> io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:176)
> io.netty.buffer.AbstractByteBufAllocator.ioBuffer(AbstractByteBufAllocator.java:137)
> io.netty.channel.DefaultMaxMessagesRecvByteBufAllocator$MaxMessageHandle.allocate(DefaultMaxMessagesRecvByteBufAllocator.java:114)
> io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:147)
> io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:647)
> io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:582)
> io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:499)
> io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:461)
> io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884)
> io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
> java.lang.Thread.run(Thread.java:748)
> {code}
> It will happen a certain number of times (first time it was 5, then it was 20) but then it won't happen any more.
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