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https://issues.apache.org/jira/browse/KAFKA-1542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14064244#comment-14064244
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Jun Rao commented on KAFKA-1542:
--------------------------------
Also, it would be useful to log the remote ip that caused the IOException.
> normal IOException in the new producer is logged as ERROR
> ---------------------------------------------------------
>
> Key: KAFKA-1542
> URL: https://issues.apache.org/jira/browse/KAFKA-1542
> Project: Kafka
> Issue Type: Bug
> Affects Versions: 0.8.2
> Reporter: Jun Rao
> Labels: newbie
>
> Saw the following error in the log. It seems this can happen if the broker is
> down. So, this probably should be logged as WARN, instead ERROR.
> 2014/07/16 00:12:51.799 [Selector] Error in I/O:
> java.io.IOException: Connection timed out
> at sun.nio.ch.FileDispatcherImpl.read0(Native Method)
> at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39)
> at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
> at sun.nio.ch.IOUtil.read(IOUtil.java:197)
> at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:379)
> at
> org.apache.kafka.common.network.NetworkReceive.readFrom(NetworkReceive.java:60)
> at org.apache.kafka.common.network.Selector.poll(Selector.java:241)
> at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:171)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:174)
> at
> org.apache.kafka.clients.producer.internals.Sender.run(Sender.java:114)
> at java.lang.Thread.run(Thread.java:744)
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