SLF4J:Failed to load class org.slf4j.impl.StaticLoggerBinder.

简介: SLF4J:Failed to load class org.slf4j.impl.StaticLoggerBinder.

SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”.

1、问题描述

当我们使用命令启动hadoop时,会报出如下错误:

cd usr/local/hadoop
./sbin/satrt-all.sh

SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.

2、原因

报错提供的网址:http://www.slf4j.org/codes.html#StaticLoggerBinder

所以:只需再绑定一个 slf4j-nop.jar

3、解决方法

3.1 查看已存在slf4j版本

cd /usr/local/hadoop/share/hadoop/common/lib
ls

3.2 下载slf4j-nop

下载网址:Central Repository: org/slf4j/slf4j-nop (maven.org)

使用wget命令下载slf4j-nop-1.7.35.jar

wget https://repo1.maven.org/maven2/org/slf4j/slf4j-nop/1.7.35/slf4j-nop-1.7.35.jar

4、再次启动hadoop

cd /usr/local/hadoop
./sbin/start-all.sh

BUG已解决!!!

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