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  • log4j2重复打印日志问题解决

    log4j2.xml

    <?xml version="1.0" encoding="UTF-8"?>
    <Configuration>
      <Appenders>
        <CONSOLE name="CONSOLE">
          <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%X{requestId}] %-5level | %C.%M:%L - %m%n"/>
        </CONSOLE>
      </Appenders>
      <Loggers>
        <Root level="ERROR">
          <AppenderRef ref="CONSOLE"/>
        </Root>
        <logger name="com.ebc.web" level="INFO">
            <AppenderRef ref="CONSOLE"/>
        </logger>
        <logger name="com.ebc.disruptor" level="INFO">
            <AppenderRef ref="CONSOLE"/>
        </logger>
      </Loggers>
    </Configuration>

    测试输出

    2019-01-25 09:58:26.861 [5c4a6d42cbb0e727aad9a7a0] INFO  | com.ebc.web.IndexController.index:25 - 接收参数:name=遥远2,minernum=222
    2019-01-25 09:58:26.861 [5c4a6d42cbb0e727aad9a7a0] INFO  | com.ebc.web.IndexController.index:25 - 接收参数:name=遥远2,minernum=222
    一月 25, 2019 9:58:26 上午 org.springframework.context.annotation.AnnotationConfigApplicationContext prepareRefresh
    信息: Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@27fa7512: startup date [Fri Jan 25 09:58:26 GMT+08:00 2019]; root of context hierarchy
    2019-01-25 09:58:26.909 [5c4a6d42cbb0e727aad9a7a0] INFO  | com.ebc.disruptor.UserMinerProducer.publish:16 - 接收:5c4a6d42cbb0e727aad9a7a0,222
    2019-01-25 09:58:26.909 [5c4a6d42cbb0e727aad9a7a0] INFO  | com.ebc.disruptor.UserMinerProducer.publish:16 - 接收:5c4a6d42cbb0e727aad9a7a0,222
    2019-01-25 09:58:26.912 [] INFO  | com.ebc.disruptor.UserMinerHandler.onEvent:18 - userName=5c4a6d42cbb0e727aad9a7a0,amount=222

    解决:

    把以上红色字体:<AppenderRef ref="CONSOLE"/>,去掉即可。

    原因:

    logger继承Root,而Root中已经写了<AppenderRef ref="CONSOLE"/>,如果在logger中再次写,则重复打印。

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  • 原文地址:https://www.cnblogs.com/yaoyuan2/p/10318311.html
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