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https://issues.apache.org/jira/browse/NIFI-2160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15362861#comment-15362861
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Oleg Zhurakousky commented on NIFI-2160:
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[~devriesb] really trying to get to the bottom of it, so need more help from
you. Is there any way you can confirm that all services (parent and its
dependencies) are passed in the list to the _enableControllerServices_ method?
Basically I have a test at the moment that has 3 services A, B and C where A
depends on B and C and B depends on C, so there are double dependency, yet
regardless of what order I am passing them to the _enableControllerServices_
all starts successfully.
> Enabled ControllerServices disabled on restart
> ----------------------------------------------
>
> Key: NIFI-2160
> URL: https://issues.apache.org/jira/browse/NIFI-2160
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 0.7.0
> Reporter: Brandon DeVries
> Assignee: Oleg Zhurakousky
> Priority: Critical
> Fix For: 1.0.0, 0.7.0
>
>
> As a result of the fix for NIFI-2032, *previously enabled ControllerServices
> become disabled after a restart* if they are not referenced by another
> component. However, we use a custom domain specific langauge that can
> reference a controller service from a query defined as a custom processor's
> property. This means that we use a number of controller service that are
> only used in this way (i.e. are never directly referred to by another
> component). Upon restart, these are now disabled causing issues with our
> flows.
> I have not yet stepped through the new enableControllerServices() \[1\]
> method to figure out exactly where the issue is coming from, but I wanted to
> get the ticket out there and on the radar, as this breaks backwards
> compatibility on a feature we heavily rely on.
> \[1\]
> https://github.com/apache/nifi/blob/0.x/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/service/StandardControllerServiceProvider.java#L301-336
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