Adding XmlRootElement

 
  <plugin>
    <groupId>org.jvnet.jaxb2.maven2</groupId>
    <artifactId>maven-jaxb2-plugin</artifactId>
    <version>0.7.4</version>
    <executions>
     <execution>
      <id>generate-domain1</id>
      <goals>
       <goal>generate</goal>
      </goals>
      <configuration>
       <strict>true</strict>
       <schemaDirectory>src/main/schema</schemaDirectory>
       <schemaIncludes>
        <value>*.xsd</value>
       </schemaIncludes>
       <bindingIncludes>
        <include>bindings.xjb</include>
       </bindingIncludes>
       <verbose>true</verbose>
       <extension>true</extension>
       <args>
        <arg>-Xannotate</arg>
       </args>
       <generateDirectory>${project.build.directory}/generated-sources/xjc</generateDirectory>
       <plugins>
        <plugin>
         <groupId>org.jvnet.jaxb2_commons</groupId>
         <artifactId>jaxb2-basics</artifactId>
         <version>0.6.0</version>
        </plugin>
        <plugin>
         <groupId>org.jvnet.jaxb2_commons</groupId>
         <artifactId>jaxb2-basics-annotate</artifactId>
         <version>0.6.0</version>
        </plugin>
       </plugins>
      </configuration>
     </execution>
    </executions>
   </plugin>