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From "Xiao Chen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9429) Tests in TestDFSAdminWithHA intermittently fail with EOFException
Date Thu, 19 Nov 2015 21:59:10 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9429?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Xiao Chen updated HDFS-9429:
    Attachment: HDFS-9429.001.patch

It seems to me that the root cause is there's no wait-for-active mechanism for journal nodes
in {{MinijournalCluster}}.
Attached patch 1 to add the {{waitActive}} method.
Also, the failures are very hard to reproduce, since the rpc race has to be very exact. I'm
not sure how to programmatically reproduce them yet....
Any feedback/comments are high appreciated.

> Tests in TestDFSAdminWithHA intermittently fail with EOFException
> -----------------------------------------------------------------
>                 Key: HDFS-9429
>                 URL: https://issues.apache.org/jira/browse/HDFS-9429
>             Project: Hadoop HDFS
>          Issue Type: Test
>          Components: HDFS
>            Reporter: Xiao Chen
>            Assignee: Xiao Chen
>         Attachments: HDFS-9429.001.patch
> I have seen this fail a handful of times for {{testMetaSave}}, but from my understanding
this is from {{setUpHaCluster}} so theoretically it could fail for any cases in the class.

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