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https://issues.apache.org/jira/browse/NIFI-13755?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17891048#comment-17891048
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ASF subversion and git services commented on NIFI-13755:
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Commit 1aabc615ce923a07281bcb833e247ad3b51bcf42 in nifi's branch
refs/heads/main from jrsteinebrey
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=1aabc615ce ]
NIFI-13755 Improved Controller Service Enabling Process (#9273)
- Updated Standard Controller Service Provider to enable requested Controller
Services that do not depend on a disabled Controller Service, instead of
failing to enable the entire set of requested Controller Services
- Updated enabling process improves behavior when restarting NiFi and
attempting to enable large numbers of Controller Services, some of which depend
on disabled Services
Signed-off-by: David Handermann <[email protected]>
> Controller Services sometimes not restarted when NiFi is restarted
> ------------------------------------------------------------------
>
> Key: NIFI-13755
> URL: https://issues.apache.org/jira/browse/NIFI-13755
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core Framework
> Affects Versions: 1.27.0, 2.0.0-M4
> Reporter: Jim Steinebrey
> Assignee: Jim Steinebrey
> Priority: Major
> Time Spent: 2h
> Remaining Estimate: 0h
>
> Before Nifi was stopped, there were around 1000 controller services (cs)
> enabled and 500 disabled. After NiFi restarted, none of the controller
> services were enabled. This is very inconvenient because now someone has to
> manually restart just the 1000 that should be enabled. The normal NiFi
> restart behavior is to enable the 1000 cs and leave the 500 disabled to
> restore them to their state before the restart.
> I found the cause in
> StandardControllerServiceProvider.enableControllerServices()
> If a single enabled cs depends on another cs which is disabled, then NONE of
> the 1000 cs are enabled.
> My change is to only SKIP the enabling of any cs which is dependent on any
> disabled cs ancestor (cs can be linked multiple levels deep) and proceed to
> enable any cs which is not dependent on a disabled cs ancestor.
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