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  1. Flink
  2. FLINK-27108

State cache clean up doesn't work as expected

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      The test case test_session_window_late_merge failed when working on FLINK-26190. After digging into this problem, I found that the reason should be that the logic to determine whether a key & namespace exists in state cache is wrong is wrong. It causes the state cache isn't clean up when it becomes invalidate.

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            dianfu Dian Fu
            dianfu Dian Fu
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