Github user ffbin commented on the pull request:
https://github.com/apache/flink/pull/998#issuecomment-128610658
enableCheckpointing() will call forceCheckpoint() and set forceCheckpoint
true.The old code(if (isIterative() && isCheckpointingEnabled() &&
!forceCheckpoint) ) will not throw UnsupportedOperationException when enable
checkpointing for iterative job.So we should change it.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
