private ExecutionEnvironment createExecutionEnvironment() throws MojoExecutionException {
        return executionEnvironment(
                project,
                session,
                pluginManager);
    }
Calls the generate-sources phase in the container lifecycle defined in lifecycle.xml.

@author Tony Vaagenes
bundle-plugin/src/main/java/com/yahoo/container/plugin/mojo/GenerateSourcesMojo.java