Java Version einstellen:

 annotations are not supported in -source 1.3
(use -source 5 or higher to enable annotations)
        @Resource

<build>
 <plugins>
   <plugin>
      <groupId>org.apache.maven.plugins</groupId>
      <artifactId>maven-compiler-plugin</artifactId>
      <configuration>
             <source>1.6</source>
             <target>1.6</target>
      </configuration>
     </plugin>
  </plugins>
</build>