<build>

  
 <plugins>

  
 <plugin>

  
  <groupId>org.apache.maven.plugins</groupId>


     <artifactId>maven-source-plugin</artifactId>


     <version>2.1.1</version>

  
 <executions>

  
 <execution>

  
 <id>attach-sources</id>

  
 <phase>verify</phase>

  
 <goals>

  
 <goal>jar-no-fork</goal>

  
 </goals>

  
 </execution>

  
 </executions>

  
 </plugin>

  
 </plugins>

  </build>