De-flake testIdpUpdate: atomic issuer deletion in Cassandra batch#5316
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blackheaven wants to merge 1 commit into
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De-flake testIdpUpdate: atomic issuer deletion in Cassandra batch#5316blackheaven wants to merge 1 commit into
blackheaven wants to merge 1 commit into
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The flaky testIdpUpdate test failed intermittently with HTTP 400 where 200 was expected. Root cause: the IdP update in idpUpdateXML performed the issuer index deletion as a separate Cassandra write after the config insertion batch. When an issuer was reused across updates (e.g., A -> B -> A), the tombstone from the first deletion could shadow the later insert due to clock skew between Cassandra coordinators, causing the finalize-login endpoint to fail its issuer-based IdP lookup. Server fix: move old-issuer deletion into the same logged batch as insertIdPConfig, so insert and delete share the same batch timestamp. Test fix: add status checks on updateIdp calls and wrap post-update logins with 'eventually' for resilience against residual consistency delays.
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