maven: 软件包 org.apache.log4j 不存在

转自：http://xiaoxuejie.iteye.com/blog/1563963

解决方案：

添加依赖：

写道

<!-- Simple Logging Facade for Java --><dependency> <groupId>org.slf4j</groupId><artifactId>slf4j-api</artifactId>< /dependency>

可选的：[optional]

 <dependency>                <groupId>org.slf4j</groupId>                <artifactId>jcl-over-slf4j</artifactId>                <version>${org.slf4j.version}</version>                <scope>runtime</scope>< /dependency>< dependency>                <groupId>org.slf4j</groupId>                <artifactId>slf4j-log4j12</artifactId>                <version>${org.slf4j.version}</version>                <scope>runtime</scope>< /dependency>