if (StringUtil.isNotBlank(confPath)) {
                return OptionalEntity.of(confPath);
            }
        }
        return OptionalEntity.empty();
    }

    public static Path getConfPath(final String... names) {
        if (FESS_APP_DOCKER.equalsIgnoreCase(getAppType())) {
            final Path confPath = Paths.get("/opt/fess", names);
            if (Files.exists(confPath)) {
                return confPath;

	"http://dbflute.org/meta/lastadi10.dtd">
<components>
	<component name="systemProperties" class="org.codelibs.core.misc.DynamicProperties">
		<arg>
			org.codelibs.fess.util.ResourceUtil.getConfPath("system.properties")
		</arg>
	</component>