（笔记）SLF4J: No SLF4J providers were found.解决方法

问题：

SLF4J: No SLF4J providers were found.
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#noProviders for further details.
SLF4J: Class path contains SLF4J bindings targeting slf4j-api versions prior to 1.8.
SLF4J: Ignoring binding found at [jar:file:/Users/xxx/.m2/repository/org/slf4j/slf4j-log4j12/1.7.26/slf4j-log4j12-1.7.26.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#ignoredBindings for an explanation.

解决方法：

原本pom.xml里的slf4j-api依赖版本是1.8.0-beta1

        
            org.slf4j
            slf4j-api
            1.8.0-beta1
        


        
            org.slf4j
            slf4j-log4j12
            1.7.26
        

将pom.xml中的slf4j-api的版本改成1.7.26

        
            org.slf4j
            slf4j-api
            1.7.26
        


        
            org.slf4j
            slf4j-log4j12
            1.7.26
        

Done.