james chien created KAFKA-5133:
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Summary: Changing "connection refused" message from logging level
"debug" into "warn"
Key: KAFKA-5133
URL: https://issues.apache.org/jira/browse/KAFKA-5133
Project: Kafka
Issue Type: Improvement
Components: clients
Reporter: james chien
Assignee: james chien
Priority: Critical
Fix For: 0.11.0.0
If broker is down, we supply logging message to let user know
`java.net.ConnectException: Connection refused` but not should be debug message
because in normal situation user may not set logging level with "INFO" or
"WARN" but not "DEBUG".
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