Edoardo Comar created KAFKA-19028:
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Summary: AlterConfigPolicy with OpType.DELETE : inconsistent
behavior between TOPIC and BROKER resource
Key: KAFKA-19028
URL: https://issues.apache.org/jira/browse/KAFKA-19028
Project: Kafka
Issue Type: Bug
Reporter: Edoardo Comar
During an IncrementalAlterConfig that DELETES a config entry, the configs map
that an AlterConfigPolicy will inspect appears to be inconsistent between the
deletion of a broker property and the deletion of a topic property :
when deleting a Topic property, the config entry is missing from the Map passed
to the policy
when deleting a Broker property, the config entry is present in the Map passed
to the policy but the associated value is null.
For consistency with the case of an OpType.SUBTRACT (which limited to a config
entry of type List) the Map could instead contain the default value of the
deleted property, if it exists.
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