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https://issues.apache.org/jira/browse/ATLAS-3545?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16987118#comment-16987118
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Bolke de Bruin commented on ATLAS-3545:
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[~ayubpathan] they were included above, but just to get it clear:
1. Add a propagating classification to an entity with a large container (e.g.
aws_s3_bucket).
2. Add the same propagating classification again before the UI shows the
classification is applied
3. Observe 2 classifications have been applied with the same name
4. Remove one of the propagating classifications
5. A Try to remove the other one(s), this should fail
B Observe that the count in the UI basic search view is 1 or higher (e.g.
it reads something like MANAGED (2) )
C Try to search for this classification with basic search, this should fail
with an error message
D Try to read classification properties in the classification view, this
should fail
E Observer that the propagating classification still is applied to derived
entities (e.g. aws_s3_objects)
Obviously we are seeing multiple issues here (race condition, null pointer).
Our goal is first to remove the “orphan” propagating classification
4. Observer
> NullPointerException while trying to delete classification
> ----------------------------------------------------------
>
> Key: ATLAS-3545
> URL: https://issues.apache.org/jira/browse/ATLAS-3545
> Project: Atlas
> Issue Type: Bug
> Affects Versions: trunk
> Reporter: Bolke de Bruin
> Priority: Critical
> Attachments: Screenshot 2019-11-30 at 22.16.44.png, Screenshot
> 2019-11-30 at 22.28.00.png, Screenshot 2019-12-02 at 21.43.29.png
>
>
> We see an issue where there is a NullPointerException while trying to delete
> a classification that is propagating.
> It seems (stack trace is as of yet unavailable) that it is caused due to a
> typeName being NULL in AtlasTypeRegistry.getType. The UI looks fishy too see
> screenshots.
>
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