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https://issues.apache.org/jira/browse/NIFI-16088?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18094551#comment-18094551
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ASF subversion and git services commented on NIFI-16088:
--------------------------------------------------------
Commit 337069a4eb2f57fc194855df42b16d0e8586f474 in nifi's branch
refs/heads/main from Kevin Doran
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=337069a4eb2 ]
NIFI-16088 Add scheduling diagnostics for cron primary-node-only processors
(#11407)
Cron triggers are scheduled as one-shot tasks that reschedule only after a
successful run. If the triggered task throws, or the next trigger fails to be
scheduled, the scheduling chain silently terminates: the component stays
RUNNING but never fires again on its schedule until it is stopped and started,
with no record in the logs. Make that observable:
- CronSchedulingAgent: log a WARN (before propagating) when a cron-scheduled
trigger throws or when rescheduling the next trigger fails, noting the
component will not fire again until stopped and started.
- ConnectableTask: log at INFO (was DEBUG) when a cron-driven, primary-node-only
component is skipped because this is not the primary node, so a skipped
scheduled fire is visible; timer-driven components stay at DEBUG to avoid
noise.
Diagnostics only; no scheduling or lifecycle behavior is changed.
> Add logging related to primary node only cron scheduling
> --------------------------------------------------------
>
> Key: NIFI-16088
> URL: https://issues.apache.org/jira/browse/NIFI-16088
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Kevin Doran
> Assignee: Kevin Doran
> Priority: Minor
> Time Spent: 20m
> Remaining Estimate: 0h
>
> I have seen but cannot reproduce or diagnose that after primary node
> election, cron scheduled processors that are set to run only on primary node
> don't fire at the configured time.
> this ticket is to add logging so that if it reoccurs I can diagnose it better
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