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Posted to common-issues@hadoop.apache.org by "Íñigo Goiri (Jira)" <ji...@apache.org> on 2020/01/21 21:34:00 UTC
[jira] [Commented] (HADOOP-16793) Remove WARN log when ipc
connection interrupted in Client#handleSaslConnectionFailure()
[ https://issues.apache.org/jira/browse/HADOOP-16793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17020580#comment-17020580 ]
Íñigo Goiri commented on HADOOP-16793:
--------------------------------------
[~iwasakims] thanks for committing.
Just for reference, the commit is d887e49dd4ed2b94bbb53b7608586f5da6cee037.
I changed the title of the JIRA to match the log message.
> Remove WARN log when ipc connection interrupted in Client#handleSaslConnectionFailure()
> ----------------------------------------------------------------------------------------
>
> Key: HADOOP-16793
> URL: https://issues.apache.org/jira/browse/HADOOP-16793
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Lisheng Sun
> Assignee: Lisheng Sun
> Priority: Minor
> Fix For: 3.3.0, 3.1.4, 3.2.2, 2.10.1
>
> Attachments: HADOOP-16793.001.patch, HADOOP-16793.002.patch, HADOOP-16793.003.patch
>
>
> log info:
> {code:java}
> // Some comments here
> 2020-01-07,15:01:17,816 WARN org.apache.hadoop.ipc.Client: Exception encountered while connecting to the server : java.io.InterruptedIOException: Interrupted while waiting for IO on channel java.nio.channels.SocketChannel[connected local=/10.75.13.227:50415 remote=mb2-hadoop-prc-ct06.awsind/10.75.15.99:11230]. 60000 millis timeout left
> {code}
> With RequestHedgingProxyProvider, one rpc call will send multiple requests to all namenodes. After one request return successfully, all other requests will be interrupted. It's not a big problem and should not print a warning log.
> {code:java}
> private synchronized void handleSaslConnectionFailure(
> ....
> LOG.warn("Exception encountered while connecting to "
> + "the server : " + ex);
> }
> {code}
>
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