    public EnvVars getCharacteristicEnvVars() {
        EnvVars env = new EnvVars();
        env.put("JENKINS_SERVER_COOKIE",SERVER_COOKIE.get());
        env.put("HUDSON_SERVER_COOKIE",SERVER_COOKIE.get()); // Legacy compatibility
        env.put("JOB_NAME",getFullName());
        return env;
    }