flink的日志配置

1.导入maven依赖

 <!-- Add a logging Framework, to make the examples produce -->
        <!--             logs when executing in the IDE            -->

        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-slf4j-impl</artifactId>
            <version>2.12.1</version>
            <scope>compile</scope>
        </dependency>

        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-api</artifactId>
            <version>2.12.1</version>
            <scope>compile</scope>
        </dependency>

        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-core</artifactId>
            <version>2.12.1</version>
            <scope>compile</scope>
        </dependency>

2.在src.main.resources目录下创建文件log4j2.properties

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#  to you under the Apache License, Version 2.0 (the
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rootLogger.level = INFO
rootLogger.appenderRef.console.ref = ConsoleAppender

appender.console.name = ConsoleAppender
appender.console.type = CONSOLE
appender.console.layout.type = PatternLayout
appender.console.layout.pattern = %d{yyyy-MM-dd HH:mm:ss,SSS} %-5p %-60c %x - %m%n