Haiyang Sun created SPARK-59253:
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Summary: Fix direct dispatcher interrupt race
Key: SPARK-59253
URL: https://issues.apache.org/jira/browse/SPARK-59253
Project: Spark
Issue Type: Sub-task
Components: UDF
Affects Versions: 4.4.0
Reporter: Haiyang Sun
Capture and clear an interrupt that races with lifecycle notification in
`DirectWorkerDispatcher.awaitInFlightOperations()`.
The interrupt is checked after leaving the `lifecycleLock.synchronized` block.
`Thread.interrupted()` is evaluated first so the interrupt flag is always
cleared. `close()` restores the interrupt after cleanup completes.
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