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https://issues.apache.org/jira/browse/NIFI-11109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17725892#comment-17725892
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Nissim Shiman commented on NIFI-11109:
--------------------------------------
PR: https://github.com/apache/nifi/pull/7107
> registry client class name modified in flow.json/xml when missing
> nifi-flow-registry-client-nar
> -----------------------------------------------------------------------------------------------
>
> Key: NIFI-11109
> URL: https://issues.apache.org/jira/browse/NIFI-11109
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 1.19.1
> Reporter: Nissim Shiman
> Assignee: Nissim Shiman
> Priority: Major
>
> If nifi is set to use a registry client and nifi-flow-registry-client-nar is
> removed from lib, the next nifi restart will result in the registry's class
> name (in flow.xml.gz/flow.json.gz) to be modified from
> org.apache.nifi.registry.flow.NifiRegistryFlowRegistryClient
> to
> NifiRegistryFlowRegistryClient.
> The url property will also be encrypted.
> When the nifi-flow-registry-client-nar is returned to lib, and nifi is
> restarted, these changes remain and registry is unreachable using this
> registry client.
> Update: The remainder of this ticket (that has had its text struck through)
> has been made into its own ticket (NIFI-11570) as the underlying issue has
> been found to be different.
> -Also, if the nar removed was nifi-standard-services-api-nar, then besides
> the above behavior, processors under version control via this registry client
> may also have their dynamic properties encrypted. These properties remain
> encrypted even after nifi-standard-services-api-nar is returned to lib and
> nifi is restarted.-
> -This is seen with a dynamic property added to GenerateFlowFile (when
> GenericFlowFile is part of a PG under registry version control).-
> -These are edge cases as admins should be very careful about removing nars
> from lib, but it would be good if protections were added to protect
> flow.xml/json from modifications in these situations.-
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