plits correctly leading to dataloss
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-20222'>FLINK-20222</a>] -         The CheckpointCoordinator should reset the OperatorCoordinators when fail before the first checkpoint.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-20223'>FLINK-20223</a>] -         The RecreateOnResetOperatorCoordinator and SourceCoordinator executor thread should use the user class loader.
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-20