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From "Myrna van Lunteren (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-4209) Stabilize and investigate failures in MogTest
Date Thu, 24 Feb 2011 18:02:38 GMT

     [ https://issues.apache.org/jira/browse/DERBY-4209?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Myrna van Lunteren updated DERBY-4209:
--------------------------------------

    Urgency: Normal
     Labels: derby_triage10_8  (was: )

assumes still present, did not try tests suggested (in DERBY-4085)

> Stabilize and investigate failures in MogTest
> ---------------------------------------------
>
>                 Key: DERBY-4209
>                 URL: https://issues.apache.org/jira/browse/DERBY-4209
>             Project: Derby
>          Issue Type: Bug
>          Components: Test
>    Affects Versions: 10.5.1.1, 10.6.1.0
>            Reporter: Kristian Waagan
>              Labels: derby_triage10_8
>
> MogTest uses a random seed to generate a test configuration, and for some seeds the test
fails.
> It is unclear whether these failures are test failures or a Derby product issue.
> So far two types of failures has been observed:
>  a) Error too big between calculations (SQL and Java).
>  b) Differing number of buckets in calculations.
> See DERBY-4085 for examples of seeds causing failures.
> The test was contributed as part of DERBY-646.

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