SEZ9 commented on PR #11408:
URL: https://github.com/apache/seatunnel/pull/11408#issuecomment-5390957914

   Thanks @DanielLeens — confirmed on my side as well, and yes, the sequencing 
you describe matches what I see: the head is still `f0b0eb1e1d36` with no new 
commit since your July 11 review and the July 14 / August 6 rechecks, so there 
is nothing new for either of us to re-verify yet.
   
   Agreed on all four blockers as summarized:
   
   1. The dead-code guard — `lastKnownGoodTs` is always assigned equal to 
`resolvedTs`, so the reset path can never fire.
   2. The duplicated/ambiguous constructors that default to `None`.
   3. The `None`-arithmetic crash risk that follows from those defaults.
   4. Most fundamentally, none of `solution_0.py`–`solution_5.py` live inside 
`seatunnel-connectors-v2/connector-tidb-cdc` or anywhere else in the Maven 
build, so no Zeta/Flink/Spark job executes any of this code.
   
   Changes-requested stands from my side too. To make the remaining asks 
concrete for the next push:
   
   - Land a real Java-side commit against the TiDB-CDC connector implementing 
the resolved-ts fix, and remove the `solution_*.py` files entirely.
   - Resolve the constructor/default ambiguity so there is a single, 
well-defined initialization path (no `None` defaults feeding arithmetic).
   - Add regression coverage for the resolved-ts reset behavior and ASF headers 
on any new files.
   - Sync with the latest `dev` (the branch is currently behind) and rerun the 
failing Build gate (https://github.com/apache/seatunnel/runs/86563995334) so we 
can separate baseline CI noise from the code-side fixes.
   
   Once a new head lands with the above, I'm happy to do the full re-review 
alongside you as proposed.
   
   <!-- streview-comment:503 -->


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