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<dependency>
	<groupId>org.apache.struts</groupId>
	<artifactId>struts2-core</artifactId>
	<version>X.X.X.X</version>
</dependency>
<dependency>
	<groupId>javassist</groupId>
	<artifactId>javassist</artifactId>
	<version>3.8.0.GA</version>
</dependency>

Of course replace the X.X.X.X with the current Struts 2 version. Maven will get the struts2-core jar and the other jar files struts2-core requires (transitive dependencies). Note: beginning with version 2.2.1 of Struts 2 you must have the javassist jar on your class path.

Step 4 - Add Logging

To see what's happening under the hood, the example application for this tutorial uses log4j. You'll need to add to pom.xml a dependency node for the log4j jar file:

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