[jira] [Assigned] (IMPALA-9331) Generate JUnitXML symptom to detect failed dataload due to schema mismatch

["Laszlo Gaal (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-9331?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Laszlo Gaal reassigned IMPALA-9331:
-----------------------------------

    Assignee: Laszlo Gaal

> Generate JUnitXML symptom to detect failed dataload due to schema mismatch
> --------------------------------------------------------------------------
>
>                 Key: IMPALA-9331
>                 URL: https://issues.apache.org/jira/browse/IMPALA-9331
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Infrastructure
>    Affects Versions: Impala 3.4.0
>            Reporter: Laszlo Gaal
>            Assignee: Laszlo Gaal
>            Priority: Major
>
> Impala test runs can still load the test database from a snapshot instead of generating it on the fly.
> This capability has a specific failure mode when the dataload code detects that the database structure expected by the current state of the code is different from the structure represented in the data snapshot, and it decides that the problem cannot be fixed by switching to test data generation on the fly.
> Triaging this failure mode should be made easier (or possibly automatic) by identifying the specific error output and generating a unique JunitXML symptom from it, which should prevent people from having to dig through the build log to discover the specific error message:
> {code}
> ERROR in ...../Impala/testdata/bin/create-load-data.sh at line 134: A schema change has been detected in the
> metadata, but it cannot be loaded on isilon, s3 or local and the
> target file system is s3.  Exiting.
> {code}



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