Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/2608#discussion_r82783495
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/PendingCheckpoint.java
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@@ -256,29 +306,51 @@ public boolean acknowledgeTask(
* Aborts a checkpoint because it expired (took too long).
*/
public void abortExpired() throws Exception {
--- End diff --
Would it make sense to narrow the `Exception` a little bit down? Maybe
introducing a `CheckpointException` or `PendingCheckpointException`?
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