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  • Maven中日志jar包冲突报错:Class path contains multiple SLF4J bindings

    错误表现:

    SLF4J: Class path contains multiple SLF4J bindings.
    SLF4J: Found binding in [jar:file:/D:/learn/Java/maven/repository_taotao/org/slf4j/slf4j-log4j12/1.6.4/slf4j-log4j12-1.6.4.jar!/org/slf4j/impl/StaticLoggerBinder.class]
    SLF4J: Found binding in [jar:file:/D:/learn/Java/maven/repository_taotao/org/apache/activemq/activemq-all/5.11.2/activemq-all-5.11.2.jar!/org/slf4j/impl/StaticLoggerBinder.class]
    SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.

    控制台报错如下图所示:

     

    错误原因:
    发生jar包冲突了:
    分别为:

    SLF4J: Found binding in [jar:file:/D:/learn/Java/maven/repository_taotao/org/slf4j/slf4j-log4j12/1.6.4/slf4j-log4j12-1.6.4.jar!/org/slf4j/impl/StaticLoggerBinder.class]
    SLF4J: Found binding in [jar:file:/D:/learn/Java/maven/repository_taotao/org/apache/activemq/activemq-all/5.11.2/activemq-all-5.11.2.jar!/org/slf4j/impl/StaticLoggerBinder.class]

    解决方案:

     

    可以转到pom.xml,打开Dependency Hierarchy并找到slf4j条目。除了通过右键单击“exclude maven artifact”排除其余条目。

    运行mvn dependency:tree并搜索哪些依赖项具有slf4j您不想要的实现,然后使用依赖项排除将其排除,例如:

            <dependency>
                <groupId>org.apache.zookeeper</groupId>
                <artifactId>zookeeper</artifactId>
                <exclusions>
                    <exclusion>
                        <artifactId>slf4j-log4j12</artifactId>
                        <groupId>org.slf4j</groupId>
                    </exclusion>
                </exclusions>
            </dependency>
            <dependency>
                <groupId>com.github.sgroschupf</groupId>
                <artifactId>zkclient</artifactId>
            </dependency>
            <!-- 配置对ActiveMQ客户端的依赖jar包 -->
            <dependency>
                <groupId>org.apache.activemq</groupId>
                <artifactId>activemq-all</artifactId>
            </dependency>
            <dependency>
                <groupId>com.taotao</groupId>
                <artifactId>taotao-common</artifactId>
                <version>0.0.1-SNAPSHOT</version>
                <exclusions>
                    <exclusion>
                        <artifactId>slf4j-log4j12</artifactId>
                        <groupId>org.slf4j</groupId>
                    </exclusion>
                </exclusions>
            </dependency>
        </dependencies>
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  • 原文地址:https://www.cnblogs.com/chenmingjun/p/10016456.html
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