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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9332) Fix Precondition failures from NameNodeEditLogRoller while saving namespace
Date Thu, 29 Oct 2015 22:08:27 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14981414#comment-14981414
] 

Hudson commented on HDFS-9332:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #614 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/614/])
HDFS-9332. Fix Precondition failures from NameNodeEditLogRoller while (wang: rev 888c6245e20ba6bdaa57d16b5c62b4a9eda2cdaf)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java


> Fix Precondition failures from NameNodeEditLogRoller while saving namespace
> ---------------------------------------------------------------------------
>
>                 Key: HDFS-9332
>                 URL: https://issues.apache.org/jira/browse/HDFS-9332
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.3.0
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>             Fix For: 2.8.0
>
>         Attachments: HDFS-9332.001.patch
>
>
> The check for the # of txns in the open edit log does not first check that an edit log
segment is open, leading to a Precondition failure. This surfaced at HDFS-7871 which fixed
that it was printing in a tight loop, but the cause of the Precondition failure is still present.



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