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From "Arpit Agarwal (JIRA)" <>
Subject [jira] [Commented] (INFRA-8097) Extra newline in /etc/hosts likely caused runtime stuck at Method)
Date Fri, 01 Aug 2014 16:41:40 GMT


Arpit Agarwal commented on INFRA-8097:

Thanks indeed Giridharan!

> Extra newline in /etc/hosts likely caused runtime stuck at
> --------------------------------------------------------------------------------------------------------------------
>                 Key: INFRA-8097
>                 URL:
>             Project: Infrastructure
>          Issue Type: Bug
>          Components: Jenkins
>            Reporter: Yongjun Zhang
>            Assignee: Giridharan Kesavan
>            Priority: Critical
> Per jenkins test failure investigation, it's identified that /etc/hosts files in some
of the jenkins test slaves have an extra newline, which likely caused runtime stuck at 
> {code}
> Method)
> {code}
> for some of the testcases (e.g. org.apache.hadoop.ipc.TestIPC.testRetryProxy failure
reported in HADOOP-10888, and org.apache.hadoop.hdfs.server.balancer.TestBalancer.testBalancerWithNonZeroThreadsForMove
failure seen in HDFS-6588).
> Specifically, the /etc/hosts of contains the following,
> {code}
>	localhost
>       asf900
> {code}
> which should be on the same line
> {code}
>	localhost  asf900
> {code}
> Other hosts,
etc likely have same problem. Would anyone who has administrator access please help to take
a look? thanks a lot.
> Many thanks to [~arpitagarwal] for the help in HADOOP-10888 investigation and the findings
reported here. Thanks [~ted_yu] for suggesting filing this infra jira.

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