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path: root/src/main/docker/include/etc/confluent/docker/log4j.properties.template
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log4j.rootLogger={{ env["KAFKA_LOG4J_ROOT_LOGLEVEL"] | default('INFO') }}, stdout

log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=[%d] %p %m (%c)%n

{% set loggers = {
  'kafka': 'INFO',
  'kafka.network.RequestChannel$': 'WARN',
  'kafka.producer.async.DefaultEventHandler': 'DEBUG',
  'kafka.request.logger': 'WARN',
  'kafka.controller': 'TRACE',
  'kafka.log.LogCleaner': 'INFO',
  'state.change.logger': 'TRACE',
  'kafka.authorizer.logger': 'WARN'
  } -%}


{% if env['KAFKA_LOG4J_LOGGERS'] %}
{% set loggers = parse_log4j_loggers(env['KAFKA_LOG4J_LOGGERS'], loggers) %}
{% endif %}

{% for logger,loglevel in loggers.items() %}
log4j.logger.{{logger}}={{loglevel}}
{% endfor %}