Commons Log, Logger, slf4j

gistfile1.xml

    <properties>
      	 <log4j.version>1.2.14</log4j.version>
         <slf4j.version>1.6.1</slf4j.version>
    </properties>
 
 <!-- Log -->
    <dependency>
        <groupId>commons-logging</groupId>
        <artifactId>commons-logging</artifactId>
        <version>1.1.1</version>
    </dependency>
  <!-- Logger -->
    <dependency>
    	<groupId>log4j</groupId>
    	<artifactId>log4j</artifactId>
    	<version>${log4j.version}</version>
    	<type>jar</type>
    	<scope>compile</scope>
    </dependency>       
    
    <!-- The Simple Logging Facade for Java or (SLF4J) serves as a simple facade or abstraction 
	for various logging frameworks, e.g. java.util.logging, log4j and logback, allowing the end 
	user to plug in the desired logging framework at deployment time. -->
    <dependency>
    	<groupId>org.slf4j</groupId>
    	<artifactId>slf4j-api</artifactId>
    	<version>${slf4j.version}</version>
    	<type>jar</type>
    	<scope>compile</scope>
    </dependency> 
    <dependency>
    	<groupId>org.slf4j</groupId>
    	<artifactId>slf4j-log4j12</artifactId>
    	<version>${slf4j.version}</version>
    	<type>jar</type>
    	<scope>compile</scope>
    </dependency>
    <dependency>
    	<groupId>org.slf4j</groupId>
    	<artifactId>jcl-over-slf4j</artifactId>
    	<version>${slf4j.version}</version>
    	<type>jar</type>
    	<scope>compile</scope>
    </dependency>