Maria Thomas created KAFKA-10843:
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Summary: Kafka Streams metadataForKey method returns null but
allMetadata has the details
Key: KAFKA-10843
URL: https://issues.apache.org/jira/browse/KAFKA-10843
Project: Kafka
Issue Type: Bug
Components: streams
Affects Versions: 2.5.1
Reporter: Maria Thomas
Our application runs on multiple instances and to enable us to use get the key
information from the state store we use "metadataForKey" method to retrieve the
StreamMetadata and using the hostname do an RPC call to the host to get the
value associated with the key.
This call was working fine in our DEV and TEST environments, however, it is
failing one our production clusters from the start. On further debugging, I
noticed the allMetadata() method was returning the state stores with the host
details as expected. However, it would not be feasible to go through each store
explicitly to get the key details.
To note, the cluster I am using is a stretch cluster.
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