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From "Jim Kellerman (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HADOOP-2324) [hbase] Fix assertion failures in TestTableMapReduce
Date Wed, 12 Dec 2007 00:43:43 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2324?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jim Kellerman resolved HADOOP-2324.
-----------------------------------

    Resolution: Fixed

Tests passed. Committed. If the problem should reoccur, we will open a new Jira.

> [hbase] Fix assertion failures in TestTableMapReduce
> ----------------------------------------------------
>
>                 Key: HADOOP-2324
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2324
>             Project: Hadoop
>          Issue Type: Bug
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Jim Kellerman
>            Assignee: Jim Kellerman
>            Priority: Minor
>             Fix For: 0.16.0
>
>
> TestTableMapReduce consists of two tests: a very simple one that verifies that it is
working, and a larger test that verifies that it works when the table consists of multiple
regions.
> There are two failure modes:
> 1) an assertion failure in the verify method
> 2) the test times out because something does not shut down cleanly.
> to figure out what is causing these failures, the first step will be to do copious logging
in the test. Once the root cause is determined, we can address it.
> Unfortunately, some of the testing will have to be done via Hudson, because that is the
only environment in which it fails. We routinely test under Windows, Fedora Core 6, MacOsX,
and Ubuntu. Windows and Ubuntu have both single and dual processor configurations. FC6 and
MacOS run on dual core machines.
> Only Hudson seems crippled enough to demonstrate these problems. (A good thing since
they are real problems)

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