[jira] [Created] (KAFKA-4915) Make logging consistent

[Andrey (JIRA)]

Andrey created KAFKA-4915:
-----------------------------

             Summary: Make logging consistent
                 Key: KAFKA-4915
                 URL: https://issues.apache.org/jira/browse/KAFKA-4915
             Project: Kafka
          Issue Type: Bug
    Affects Versions: 0.10.1.1
            Reporter: Andrey


Currently we see in logs:
{code}
WARN Error while fetching metadata with correlation id 659455 : 
{kafka-connect-offsets=INVALID_REPLICATION_FACTOR} 
(org.apache.kafka.clients.NetworkClient:600)
{code}

Expected:
{code}
WARN unable to fetch metadata with correlation id 659455 : 
{kafka-connect-offsets=INVALID_REPLICATION_FACTOR} 
(org.apache.kafka.clients.NetworkClient:600)
{code}

or

{code}
ERROR unable to fetch metadata with correlation id 659455 : 
{kafka-connect-offsets=INVALID_REPLICATION_FACTOR} 
(org.apache.kafka.clients.NetworkClient:600)
{code}

See for reference: 
https://github.com/apache/kafka/blob/65650ba4dcba8a9729cb9cb6477a62a7b7c3714e/clients/src/main/java/org/apache/kafka/clients/NetworkClient.java#L723



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