import org.apache.commons.logging.Log; is missing in eclipse

Add this jar to resolve this error

org.apache.commons.logging-1.5.6.jar

download link is here
http://commons.apache.org/proper/commons-logging/download_logging.cgi

or Maven repository

<dependency>
 <groupId>commons-logging</groupId>
 <artifactId>commons-logging</artifactId>
 <version>1.1.1</version>
</dependency>