[jira] [Created] (KAFKA-10175) MetadataCache::getCluster returns null for offline replicas

[Vikas Singh (Jira)]

Vikas Singh created KAFKA-10175:
-----------------------------------

             Summary: MetadataCache::getCluster returns null for offline 
replicas
                 Key: KAFKA-10175
                 URL: https://issues.apache.org/jira/browse/KAFKA-10175
             Project: Kafka
          Issue Type: Bug
            Reporter: Vikas Singh


This line in the code always returns null:

https://github.com/apache/kafka/blob/trunk/core/src/main/scala/kafka/server/MetadataCache.scala#L272

The reason is that the `map(node)` part uses `aliveNodes` to create `Node` 
object otherwise default to `null`. Offline replicas thus end up always as 
null. 



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