# Set everything to debug log4j.rootLogger=INFO, CONSOLE # Enable DEBUG for Kafka client internals log4j.logger.org.apache.kafka.clients.consumer=DEBUG log4j.logger.org.apache.kafka.clients.producer=DEBUG log4j.logger.org.apache.kafka.clients.Metadata=DEBUG log4j.logger.org.apache.kafka.common.network=WARN log4j.logger.org.apache.kafka.common.utils=WARN log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout log4j.appender.CONSOLE.layout.ConversionPattern=[%d{HH:mm:ss}] [%-5p] [%c] %m%n