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https://issues.apache.org/jira/browse/NIFI-5031?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16418834#comment-16418834
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Bryan Bende commented on NIFI-5031:
-----------------------------------
[~junegunn] did this issue happen against a released version or master?
In general, onPropertyModified is called during start up when a component is
created and given it's properties, so you shouldn't need this fix.
There was an issue on master for a couple of weeks that was reloading a
component without re-calling onPropertyModified, so maybe that is what you
saw, but that is resolved now.
> AvroSchemaRegistry not properly initialized on NiFi restart
> -----------------------------------------------------------
>
> Key: NIFI-5031
> URL: https://issues.apache.org/jira/browse/NIFI-5031
> Project: Apache NiFi
> Issue Type: Bug
> Reporter: Junegunn Choi
> Priority: Major
>
> When a NiFi instance is restarted, the internal \{{recordSchemas}} map of
> AvroSchemaRegistry is not populated. The map is only updated when the content
> of a dynamic property is updated, so unless we manually update all dynamic
> properties, schema lookups will fail.
> We should rebuild the map from dynamic properties when the service is
> enabled. Let me post a patch for this via GitHub pull request.
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