问题描述

kafka在运行时会不断输出debug级别的日志：

环境

kafka-streams:2.5.1
kafka-clients:2.5.1

		<dependency>
            <groupId>org.apache.kafka</groupId>
            <artifactId>kafka-streams</artifactId>
            <version>2.5.1</version>
            <exclusions>
                <exclusion>
                    <artifactId>connect-json</artifactId>
                    <groupId>org.apache.kafka</groupId>
                </exclusion>
                <exclusion>
                    <groupId>org.apache.kafka</groupId>
                    <artifactId>kafka-clients</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <dependency>
            <groupId>org.apache.kafka</groupId>
            <artifactId>kafka-clients</artifactId>
            <version>2.5.1</version>
        </dependency>

解决方法

在resources的目录下创建logback.xml文件，添加以下代码：

<configuration>
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
        </encoder>
    </appender>

    <logger name="org.apache.kafka.clients" level="WARN" />
    <root level="ERROR">
        <appender-ref ref="STDOUT" />
    </root>
</configuration>