InputSource v4src = loc != null ? loc.getSource() : null;
            if (v4src != null) {
                try {
                    Field field = InputSource.class.getDeclaredField("modelId");
                    field.setAccessible(true);
                    field.set(v4src, ModelProblemUtils.toId(model));
                } catch (Throwable t) {
                    // TODO: use a lazy source ?

                    Severity.ERROR,
                    Version.BASE,
                    prefix + "systemPath",
                    d.getManagementKey(),
                    "must be omitted. This field may only be specified for a dependency with system scope.",
                    d);
        }

        if (request.getValidationLevel() >= ModelBuilderRequest.VALIDATION_LEVEL_MAVEN_2_0) {