gistfile1.xml

<plugin> 
   <groupId>org.codehaus.mojo</groupId
      <artifactId>jaxb2-maven-plugin</artifactId
      <version>1.6</version>  
      <executions>
         <execution>
            <id>xjc</id>
            <goals>
               <goal>xjc</goal>
            </goals>    
         </execution>
       </executions>
      <configuration>   
      <bindingFiles>
        bindings.xjb
      </bindingFiles>
   </configuration> 
 </plugin>