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https://issues.apache.org/jira/browse/YETUS-825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Yang updated YETUS-825:
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    Description: This has been observed in YARN-7129, and YARN-9255.  When new 
maven submodule is in the patch.  Patch version 1 failed findbug checks.  The 
subsequent patch will continue to report wrong result for fixed failures.  
Sometimes, it also hides newly introduced errors in findbugs report until other 
Jira issues to discover the hidden failures.  There seems to be some incorrect 
logic in computing delta between reports because the submodule is a newly 
introduced in the patch.  Yetus does not have correct frame of reference of 
previous state of report.  This cause the result to have false positives.  
(was: This has been observed in YARN-8551, YARN-7129, and YARN-9255.  When new 
maven submodule is in the patch.  Patch version 1 failed checkstyle, rat plugin 
checks.  The subsequent patch will continue to report wrong result for fixed 
failures.  Sometimes, it also hides newly introduced errors in findbugs report 
until other Jira issues to discover the hidden failures.  There seems to be 
some incorrect logic in computing delta between reports because the submodule 
is a newly introduced in the patch.  Yetus does not have correct frame of 
reference of previous state of report.  This cause the result to have false 
positives.)

> New maven submodule patch cause report to be unreliable
> -------------------------------------------------------
>
>                 Key: YETUS-825
>                 URL: https://issues.apache.org/jira/browse/YETUS-825
>             Project: Yetus
>          Issue Type: Bug
>            Reporter: Eric Yang
>            Priority: Major
>
> This has been observed in YARN-7129, and YARN-9255.  When new maven submodule 
> is in the patch.  Patch version 1 failed findbug checks.  The subsequent 
> patch will continue to report wrong result for fixed failures.  Sometimes, it 
> also hides newly introduced errors in findbugs report until other Jira issues 
> to discover the hidden failures.  There seems to be some incorrect logic in 
> computing delta between reports because the submodule is a newly introduced 
> in the patch.  Yetus does not have correct frame of reference of previous 
> state of report.  This cause the result to have false positives.



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