'org.codehaus.redback:redback-struts2:1.3-M2'
<dependency>
<groupId>org.codehaus.redback</groupId>
<artifactId>redback-struts2</artifactId>
<version>1.3-M2</version>
</dependency>
<dependency org="org.codehaus.redback" name="redback-struts2" rev="1.3-M2"/>
"org.codehaus.redback", "redback-struts2", "1.3-M2"