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https://issues.apache.org/jira/browse/RANGER-3207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sailaja Polavarapu reassigned RANGER-3207:
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Assignee: Sailaja Polavarapu
> Graceful handling of invalid usernames for usersync
> ---------------------------------------------------
>
> Key: RANGER-3207
> URL: https://issues.apache.org/jira/browse/RANGER-3207
> Project: Ranger
> Issue Type: Bug
> Components: Ranger, usersync
> Reporter: Sailaja Polavarapu
> Assignee: Sailaja Polavarapu
> Priority: Major
>
> Currently, if there is an invalid username in a batch of users that usersync
> tries to create in ranger admin, the entire batch of users will fail to
> create. Usersync will then perpetually retry creating these users. This leads
> to no alerts in Ranger, CM, or anywhere else besides usersync/admin logs,
> both of which lack necessary details like the offending username.
> In the current state, usersync is unusable if there is a single bad username
> in the source database.
> Usersync has to be more robust against malformed user names. IMO two ways
> forward could be:
> * (preferred) Allow partial failures, ie. create users that have well-formed
> names even if a batch has a malformed user name, or
> * Have a filter built into usersync that catches these before they reach
> admin
> Regardless of the solution, the error message should include the offending
> username, and usersync should not keep trying to create users that are known
> to cause failures.
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