Mark Payne created NIFI-4003:
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Summary: Controller Service for HortonworksSchemaRegistry should
use expired cached values if unable to communicate with actual Schema Registry
Key: NIFI-4003
URL: https://issues.apache.org/jira/browse/NIFI-4003
Project: Apache NiFi
Issue Type: Bug
Components: Extensions
Reporter: Mark Payne
Assignee: Mark Payne
When we attempt to retrieve the latest schema version information for a schema
with the HortonworksSchemaRegistry controller service, it caches the
information for 1 minute. After that minute is up, though, if we are unable to
communicate with the HortonworksSchemaRegistry, an Exception is thrown. If we
already have a value cached, though, we should use that instead of throwing a
SchemaNotFoundException
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