Error content:

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.

Solution:

1) First, look at the version of sl4j API in your project (for example, mine is 1.7.25)

2) Then in http://mvnrepository.com/ Search slf4j-log4j12 and slf4j log4j12 binding will appear. Click to enter and there will be many versions of slf4j-log4j12. We click slf4j-log4j12 of version 1.7.25 to enter the details page and view the dependent log4j

Click: 1.2.27

Perfect problem solving:

Pom.xml installation dependency of Maven project:

<dependencies>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>1.7.25</version>
        </dependency>
    </dependencies>

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