+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <version>3.3</version>
+ <configuration>
+ <source>1.6</source>
+ <target>1.6</target>
+ <encoding>utf8</encoding>
+ <showWarnings>true</showWarnings>
+ </configuration>
+ </plugin>
+ </plugins>