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https://issues.apache.org/jira/browse/ZOOKEEPER-1179?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Flavio Junqueira reopened ZOOKEEPER-1179:
-----------------------------------------
It looks like this patch didn't completely solve the problem. I was checking
the output of the last ZooKeeper-3.4-WinVS2008_java build, and I found the
following in the output of testFourLetterWords:
{noformat}
[junit] 2013-12-29 20:21:43,920 [myid:] - WARN [New I/O worker
#258:NettyServerCnxnFactory$CnxnChannelHandler@111] - Exception caught [id:
0x6e402644, /127.0.0.1:51003 => /127.0.0.1:11271] EXCEPTION:
java.io.IOException: A non-blocking socket operation could not be completed
immediately
[junit] java.io.IOException: A non-blocking socket operation could not be
completed immediately
[junit] at sun.nio.ch.SocketDispatcher.close0(Native Method)
[junit] at
sun.nio.ch.SocketDispatcher.preClose(SocketDispatcher.java:62)
[junit] at
sun.nio.ch.SocketChannelImpl.implCloseSelectableChannel(SocketChannelImpl.java:819)
[junit] at
java.nio.channels.spi.AbstractSelectableChannel.implCloseChannel(AbstractSelectableChannel.java:228)
[junit] at
java.nio.channels.spi.AbstractInterruptibleChannel.close(AbstractInterruptibleChannel.java:115)
[junit] at
org.jboss.netty.channel.socket.nio.AbstractNioWorker.close(AbstractNioWorker.java:354)
[junit] at
org.jboss.netty.channel.socket.nio.NioServerSocketPipelineSink.handleAcceptedSocket(NioServerSocketPipelineSink.java:81)
[junit] at
org.jboss.netty.channel.socket.nio.NioServerSocketPipelineSink.eventSunk(NioServerSocketPipelineSink.java:36)
[junit] at org.jboss.netty.channel.Channels.close(Channels.java:812)
[junit] at
org.jboss.netty.channel.AbstractChannel.close(AbstractChannel.java:197)
[junit] at
org.apache.zookeeper.server.NettyServerCnxn.close(NettyServerCnxn.java:114)
[junit] at
org.apache.zookeeper.server.NettyServerCnxn.cleanupWriterSocket(NettyServerCnxn.java:242)
[junit] at
org.apache.zookeeper.server.NettyServerCnxn.access$000(NettyServerCnxn.java:57)
[junit] at
org.apache.zookeeper.server.NettyServerCnxn$CommandThread.run(NettyServerCnxn.java:315)
[junit] at
org.apache.zookeeper.server.NettyServerCnxn$CommandThread.start(NettyServerCnxn.java:306)
[junit] at
org.apache.zookeeper.server.NettyServerCnxn.checkFourLetterWord(NettyServerCnxn.java:658)
[junit] at
org.apache.zookeeper.server.NettyServerCnxn.receiveMessage(NettyServerCnxn.java:791)
[junit] at
org.apache.zookeeper.server.NettyServerCnxnFactory$CnxnChannelHandler.processMessage(NettyServerCnxnFactory.java:211)
[junit] at
org.apache.zookeeper.server.NettyServerCnxnFactory$CnxnChannelHandler.messageReceived(NettyServerCnxnFactory.java:135)
[junit] at
org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:268)
[junit] at
org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:255)
[junit] at
org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88)
[junit] at
org.jboss.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:109)
[junit] at
org.jboss.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:312)
[junit] at
org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:90)
[junit] at
org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
[junit] at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
[junit] at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
[junit] at java.lang.Thread.run(Thread.java:722)
{noformat}
> NettyServerCnxn does not properly close socket on 4 letter word requests
> ------------------------------------------------------------------------
>
> Key: ZOOKEEPER-1179
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1179
> Project: ZooKeeper
> Issue Type: Bug
> Components: server
> Affects Versions: 3.4.0
> Reporter: Camille Fournier
> Assignee: Rakesh R
> Priority: Critical
> Fix For: 3.4.6, 3.5.0
>
> Attachments: ZOOKEEPER-1179.patch, ZOOKEEPER-1179.patch,
> ZOOKEEPER-1179.patch
>
>
> When calling a 4-letter-word to a server configured to use
> NettyServerCnxnFactory, the factory will not properly cancel all the keys and
> close the socket after sending the response for the 4lw. The close request
> will throw this exception, and the thread will not shut down:
> 2011-09-13 12:14:17,546 - WARN [New I/O server worker
> #1-1:NettyServerCnxnFactory$CnxnChannelHandler@117] - Exception caught [id:
> 0x009300cc, /1.1.1.1:38542 => /139.172.114.138:2181] EXCEPTION:
> java.io.IOException: A non-blocking socket operation could not be completed
> immediately
> java.io.IOException: A non-blocking socket operation could not be completed
> immediately
> at sun.nio.ch.SocketDispatcher.close0(Native Method)
> at sun.nio.ch.SocketDispatcher.preClose(SocketDispatcher.java:44)
> at
> sun.nio.ch.SocketChannelImpl.implCloseSelectableChannel(SocketChannelImpl.java:684)
> at
> java.nio.channels.spi.AbstractSelectableChannel.implCloseChannel(AbstractSelectableChannel.java:201)
> at
> java.nio.channels.spi.AbstractInterruptibleChannel.close(AbstractInterruptibleChannel.java:97)
> at
> org.jboss.netty.channel.socket.nio.NioWorker.close(NioWorker.java:593)
> at
> org.jboss.netty.channel.socket.nio.NioServerSocketPipelineSink.handleAcceptedSocket(NioServerSocketPipelineSink.java:119)
> at
> org.jboss.netty.channel.socket.nio.NioServerSocketPipelineSink.eventSunk(NioServerSocketPipelineSink.java:76)
> at org.jboss.netty.channel.Channels.close(Channels.java:720)
> at
> org.jboss.netty.channel.AbstractChannel.close(AbstractChannel.java:208)
> at
> org.apache.zookeeper.server.NettyServerCnxn.close(NettyServerCnxn.java:116)
> at
> org.apache.zookeeper.server.NettyServerCnxn.cleanupWriterSocket(NettyServerCnxn.java:241)
> at
> org.apache.zookeeper.server.NettyServerCnxn.access$0(NettyServerCnxn.java:231)
> at
> org.apache.zookeeper.server.NettyServerCnxn$CommandThread.run(NettyServerCnxn.java:314)
> at
> org.apache.zookeeper.server.NettyServerCnxn$CommandThread.start(NettyServerCnxn.java:305)
> at
> org.apache.zookeeper.server.NettyServerCnxn.checkFourLetterWord(NettyServerCnxn.java:674)
> at
> org.apache.zookeeper.server.NettyServerCnxn.receiveMessage(NettyServerCnxn.java:791)
> at
> org.apache.zookeeper.server.NettyServerCnxnFactory$CnxnChannelHandler.processMessage(NettyServerCnxnFactory.java:217)
> at
> org.apache.zookeeper.server.NettyServerCnxnFactory$CnxnChannelHandler.messageReceived(NettyServerCnxnFactory.java:141)
> at
> org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:274)
> at
> org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:261)
> at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:350)
> at
> org.jboss.netty.channel.socket.nio.NioWorker.processSelectedKeys(NioWorker.java:281)
> at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:201)
> at
> org.jboss.netty.util.internal.IoWorkerRunnable.run(IoWorkerRunnable.java:46)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
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