【SpringBoot+J2Cache】SLF4J: Class path contains multiple SLF4J bindings.-CSDN博客

问题描述

SpringBoot整合j2cache，启动时报错。

SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/C:/Users/xxx/.m2/repository/ch/qos/logback/logback-classic/1.2.5/logback-classic-1.2.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/C:/Users/xxx/.m2/repository/org/slf4j/slf4j-simple/1.7.32/slf4j-simple-1.7.32.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [ch.qos.logback.classic.util.ContextSelectorStaticBinder]

原因分析

类路径包含多个SLF4J绑定，这可能会导致SLF4J绑定冲突，从而引发启动时的错误。

解决方案

修改pom.xml，排除j2cache-core和j2cache-spring-boot2-starter中的slf4j-simple依赖，以解决SLF4J绑定冲突问题。

        <dependency>
            <groupId>net.oschina.j2cache</groupId>
            <artifactId>j2cache-core</artifactId>
            <version>2.8.5-release</version>
            <exclusions>
                <exclusion>
                    <groupId>org.slf4j</groupId>
                    <artifactId>slf4j-simple</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <dependency>
            <groupId>net.oschina.j2cache</groupId>
            <artifactId>j2cache-spring-boot2-starter</artifactId>
            <version>2.8.0-release</version>
            <exclusions>
                <exclusion>
                    <groupId>org.slf4j</groupId>
                    <artifactId>slf4j-simple</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

通过以上排除操作，我们成功解决了SLF4J绑定冲突的问题，确保应用能够顺利启动并正确运行。