[jira] [Updated] (FLINK-18962) Improve error message if checkpoint directory is not writable

["Nico Kruber (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-18962?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nico Kruber updated FLINK-18962:
--------------------------------
    Labels: usability  (was: )

> Improve error message if checkpoint directory is not writable
> -------------------------------------------------------------
>
>                 Key: FLINK-18962
>                 URL: https://issues.apache.org/jira/browse/FLINK-18962
>             Project: Flink
>          Issue Type: Improvement
>          Components: Runtime / Checkpointing
>    Affects Versions: 1.11.1
>            Reporter: Nico Kruber
>            Priority: Major
>              Labels: usability
>
> If the checkpoint directory from {{state.checkpoints.dir}} is not writable by the user that Flink is running with, checkpoints will be declined, but the real cause is not mentioned anywhere:
> * the Web UI says: "Cause: The job has failed" (the Flink job is running though)
> * the JM log says:
> {code}
> 2020-08-14 12:13:18,820 INFO  org.apache.flink.runtime.checkpoint.CheckpointCoordinator    [] - Triggering checkpoint 2 (type=CHECKPOINT) @ 1597399998819 for job 2c567b14e8d0833404931ef47dfec266.
> 2020-08-14 12:13:18,921 INFO  org.apache.flink.runtime.checkpoint.CheckpointCoordinator    [] - Decline checkpoint 2 by task 0d4fd75374ad16c8d963679e3c2171ec of job 2c567b14e8d0833404931ef47dfec266 at a184deea621e3923fbfcb1d899348448 @ Nico-PC.lan (dataPort=35531).
> {code}
> * the TM log says:
> {code}
> 2020-08-14 12:13:14,102 INFO  org.apache.flink.streaming.runtime.tasks.SubtaskCheckpointCoordinatorImpl [] - Checkpoint 1 has been notified as aborted, would not trigger any checkpoint.
> {code}
> And that's it. It should have a real error message indicating that the checkpoint (sub)-directory could not be created.



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