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From Zhijie Shen <zs...@hortonworks.com>
Subject Re: Hadoop 2.5.0 unit tests failures
Date Mon, 01 Sep 2014 06:40:15 GMT
Hi Rajat,

It is the situation that some test cases will have kinds of race
conditions, an fail intermittently. In most cases, contributors are working
on a linux box, such that the test case may implicitly make some assumption
that is not valid for other systems.

It is appreciated to report these test failures on Jira, with the
environment details and the exception tracing, such that the community can
investigate the test problems.


On Fri, Aug 29, 2014 at 10:06 AM, Rajat Jain <rajat.85@gmail.com> wrote:

> Hi,
> I wanted to know if all the unit tests pass in the hadoop-common project
> across various releases. I have never been able to get a clean run on my
> machine (Centos 6.5 / 4GB RAM / tried both Java 6 and Java 7). I have also
> attached the document which has the failures that I got while running the
> tests.
> I ran "mvn clean package install -DskipTests" to compile, and thereafter,
> ran "mvn test" from individual subprojects.
> In my company, we have forked Apache Hadoop 2.5.0 and we are planning to
> deploy a nightly unit test run to make sure we don't introduce any
> regressions. Is there a way to get a clean unit-test run, or should I
> disable these tests from our suite? I also read somewhere else that there
> are a few flaky tests as well.
> Any help is appreciated.
> https://docs.google.com/a/qubole.com/spreadsheets/d/1bKCclEA0u9VUZvykgaRj_gBqY4xMxTBIGPJml04TXtE/edit#gid=1215903400
> Thanks,
> Rajat

Zhijie Shen
Hortonworks Inc.

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