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https://issues.apache.org/jira/browse/NIFI-5686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16646649#comment-16646649
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ASF GitHub Bot commented on NIFI-5686:
--------------------------------------
GitHub user markap14 opened a pull request:
https://github.com/apache/nifi/pull/3062
NIFI-5686: Updated StandardProcessScheduler so that if it fails to sc…
…hedule a Reporting Task, it re-schedules the @OnScheduled task instead of
looping and calling Thread.sleep. As it was, the single-threaded Process
Scheduler was, when calling ProcessScheduler.unschedule(), the unschedule task
was not executing because the schedule task was using the only thread. But
switching the logic to schedule the task for later and return, instead of
calling Thread.sleep and looping, we are able to avoid blocking the one thread
in the thread pool. Also, performed some trivial code cleanup and updated
erroneous links in Java-docs.
Thank you for submitting a contribution to Apache NiFi.
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You can merge this pull request into a Git repository by running:
$ git pull https://github.com/markap14/nifi NIFI-5686
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/nifi/pull/3062.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #3062
----
commit c14092db13cdc2a26da451b61c6d6c8d4903fd1a
Author: Mark Payne <markap14@...>
Date: 2018-10-11T15:45:41Z
NIFI-5686: Updated StandardProcessScheduler so that if it fails to schedule
a Reporting Task, it re-schedules the @OnScheduled task instead of looping and
calling Thread.sleep. As it was, the single-threaded Process Scheduler was,
when calling ProcessScheduler.unschedule(), the unschedule task was not
executing because the schedule task was using the only thread. But switching
the logic to schedule the task for later and return, instead of calling
Thread.sleep and looping, we are able to avoid blocking the one thread in the
thread pool. Also, performed some trivial code cleanup and updated erroneous
links in Java-docs.
----
> Test failure in TestStandardProcessScheduler
> --------------------------------------------
>
> Key: NIFI-5686
> URL: https://issues.apache.org/jira/browse/NIFI-5686
> Project: Apache NiFi
> Issue Type: Bug
> Components: Tools and Build
> Reporter: Mark Payne
> Assignee: Mark Payne
> Priority: Major
> Fix For: 1.8.0
>
>
> The {{testReportingTaskDoesntKeepRunningAfterStop}} test in
> {{TestStandardProcessScheduler}} now fails. This was {{@Ignore}}d in
> NIFI-5666 but should be addressed.
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