ClosedChannelException thrown when stopping Channel

[neilson9]

Platform: java6u13, win2003Server, Netty 3.1CR1 SS from July 1st


neilson9 wrote:
> 
> Hi,
> In my connection pool Im invalidating and closing connections when they
> are no longer needed (i.e. pools hightwater mark is reached) and I seem to
> get many ClosedChannelExceptions. Looking at the Stack and the Source Code
> [below] it looks like I will either get a NotYetConnectedException OR a
> ClosedChannelException - when stopping a channel.
> 
> Is it possible to prevent this from happening? 
> Regards Neil.
> 
> From NioWorker.cleanUpWriteBuffer
>              // Create the exception only once to avoid the excessive
> overhead
>                 // caused by fillStackTrace.
>                 if (channel.isOpen()) {
>                     cause = new NotYetConnectedException();
>                 } else {
>                     cause = new ClosedChannelException();
>                 }
>                 evt.getFuture().setFailure(cause);
> 
>                 fireExceptionCaught(channel, cause);
> 
> The exception picked up by my Handler
> 2009-07-08 13:10:16,272 WARN 3:10000-10-10 (netty.NettyClientHandler)	
> com.liquidlabs.transport.netty.NettyClientHandler at 3f84e8 m:null
> Client[null]] Unexpected exception from downstream, latch[null]
> java.nio.channels.ClosedChannelException
> 	at
> org.jboss.netty.channel.socket.nio.NioWorker.cleanUpWriteBuffer(NioWorker.java:609)
> 	at org.jboss.netty.channel.socket.nio.NioWorker.close(NioWorker.java:568)
> 	at
> org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink.eventSunk(NioClientSocketPipelineSink.java:97)
> 	at org.jboss.netty.channel.Channels.close(Channels.java:1043)
> 	at
> org.jboss.netty.channel.AbstractChannel.close(AbstractChannel.java:185)
> 	at com.ll.transport.netty.NettySenderImpl.stop(NettySenderImpl.java:118)
> 
> 
> 

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