// null case is covered by canDetermineActivation(), so we can do a straight startsWith() here.
        if (jdk.startsWith("[") || jdk.startsWith("(")) {
            try {
                return matchJdkVersionRange(jdk);
            } catch (InvalidVersionSpecificationException e) {
                throw new ProfileActivationException(
                        "Invalid JDK version in profile '" + profile.getId() + "': " + e.getMessage());