Akash Gupta created RANGER-5820:
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Summary: Concurrent GRANT requests for ranger resulting into sql
unique constraint violations and exposed as raw HTTP 400 errors.
Key: RANGER-5820
URL: https://issues.apache.org/jira/browse/RANGER-5820
Project: Ranger
Issue Type: Bug
Components: Ranger
Reporter: Akash Gupta
Fix For: 3.0.0
Ranger Admin's policy creation code path (invoked when {{GRANT}} request
requiring a new policy row) is not thread-safe under concurrent execution.
When multiple {{GRANT}} statements execute in parallel, they trigger MySQL
Unique Key constraint violations. Rather than handling these race conditions
gracefully or surfacing a retryable conflict, Ranger Admin propagates raw
{*}HTTP 400 Bad Request{*}.
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