DanielCarter-stack commented on issue #10560:
URL: https://github.com/apache/seatunnel/issues/10560#issuecomment-4002457588
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Thanks for the detailed analysis—this looks like a valid bug.
**Root Cause**
Two failure points:
1. **Primary** (`IMapCheckpointIDCounter.java:47–55`):
`RetryUtils.retryWithException` calls
`ExceptionUtil.isOperationNeedRetryException`, which only checks
`HazelcastInstanceNotActiveException`, `InterruptedException`, and
`OperationTimeoutException` (`ExceptionUtil.java:154-159`).
`RetryableHazelcastException` is **missing** from this check, so
SeaTunnel's 30-retry window is skipped entirely.
2. **Secondary** (`CoordinatorService.java:507`):
`runningJobStateIMap.get(jobId)` in `restoreJobFromMasterActiveSwitch`
has no retry protection.
**Suggested Fix**
Add `RetryableHazelcastException` to
`ExceptionUtil.isOperationNeedRetryException` and consider wrapping the IMap
get operation in `restoreJobFromMasterActiveSwitch` with retry logic.
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