maven中的commons-logging包与webservices的包起冲突，怎么解决啊_course

org.apache.commons.logging.impl.SLF4JLogFactory does not implement org.apache.commons.logging.LogFactory各位大神帮帮忙

commons-logging-1.1.1.jar.zip下载_course

commons-logging-1.1.1.jar.， 相关下载链接：//download.csdn.net/download/qq_39404626/12000817?utm_source=bbss

org.apache.log4j与org.apache.commons.logging这两个包有什么区别吗，你在写日志的时候用的哪个啊_course

我看到网上有些代码，用的是org.apache.log4j.*，比如： import org.apache.log4j.Logger; public class FileUtils { private

commons-logging-1.1.1.jar下载_course

commons-logging-1.1.1.jar 相关下载链接：//download.csdn.net/download/qq_15000459/9284485?utm_source=bbsseo

maven项目启动时报错，好像是编译错误_course

[INFO] Scanning for projects... [ERROR] [ERROR] Some problems were encountered while processing the POMs: [WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: commons-logging:commons-logging:jar -> version 1.1.3 vs 1.1.1 @ line 245, column 15 [ERROR] Child module F:\workspaces-itcast\appshop\appshop-parent\appshop-web of F:\workspaces-itcast\appshop\appshop-parent\pom.xml does not exist @ @ [ERROR] The build could not read 1 project -> [Help 1] [ERROR] [ERROR] The project com.baidu:appshop-parent:0.0.1-SNAPSHOT (F:\workspaces-itcast\appshop\appshop-parent\pom.xml) has 1 error [ERROR] Child module F:\workspaces-itcast\appshop\appshop-parent\appshop-web of F:\workspaces-itcast\appshop\appshop-parent\pom.xml does not exist [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException 大神求帮忙