For some reason Maven 2 does not have JDK 1.5 set as its default compiler level. Since I’ve run into this problem a few times, I figured I would document the solution.
This will need to be added to the root POM of your Maven project:
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.5</source>
<target>1.5</target>
</configuration>
</plugin>
</plugins>
</build>
You can also add this into an “active by default” profile in your settings.xml, located in either your .m2 directory or your install directory.
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Marcos said
Thank you very much, it helped me a lot!
scipper said
helped me too! thx