Native stack compilation error with JDK1.6

The jdk1.6 profile will cause complication error:

<profile>
<id>jdk16</id>
<activation>
<jdk>1.6</jdk>
</activation>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<compilerVersion>1.5</compilerVersion>
<executable>${java.jdk15.home}/bin/javac</executable>
<fork>true</fork>
</configuration>
</plugin>
</plugins>
</build>
</profile>