Github user dsbos commented on a diff in the pull request: https://github.com/apache/drill/pull/93#discussion_r34649690 --- Diff: common/src/main/java/org/apache/drill/common/config/DrillConfig.java --- @@ -138,34 +155,77 @@ public static DrillConfig create(Properties testConfigurations) { return create(null, testConfigurations, true); } - public static DrillConfig create(String overrideFileName, boolean enableServerConfigs) { - return create(overrideFileName, null, enableServerConfigs); + /** + * ... + * @param overrideFileResourcePathname + * see {@link #create(String)}'s {@code overrideFileResourcePathname} + */ + public static DrillConfig create(String overrideFileResourcePathname, boolean enableServerConfigs) { + return create(overrideFileResourcePathname, null, enableServerConfigs); } - private static DrillConfig create(String overrideFileName, Properties overriderProps, boolean enableServerConfigs) { - overrideFileName = overrideFileName == null ? CommonConstants.CONFIG_OVERRIDE : overrideFileName; - - // first we load defaults. + /** + * ... + * @param overrideFileResourcePathname + * see {@link #create(String)}'s {@code overrideFileResourcePathname} + * @param overriderProps + * optional property map for further overriding (after override file + * is assimilated + * @param enableServerConfigs + * whether to enable server-specific configuration options + * @return + */ + private static DrillConfig create(String overrideFileResourcePathname, + final Properties overriderProps, + final boolean enableServerConfigs) { + overrideFileResourcePathname = + overrideFileResourcePathname == null + ? CommonConstants.CONFIG_OVERRIDE + : overrideFileResourcePathname; + + // 1. Load defaults configuration file. Config fallback = null; final ClassLoader[] classLoaders = ClasspathHelper.classLoaders(); for (ClassLoader classLoader : classLoaders) { - if (classLoader.getResource(CommonConstants.CONFIG_DEFAULT) != null) { - fallback = ConfigFactory.load(classLoader, CommonConstants.CONFIG_DEFAULT); + final URL url = + classLoader.getResource(CommonConstants.CONFIG_DEFAULT); + if (null != url) { + logger.debug("Loading base config. file at {}.", url); + fallback = + ConfigFactory.load(classLoader, + CommonConstants.CONFIG_DEFAULT); break; } } + // 2. Load per-module configuration files. Collection<URL> urls = PathScanner.getConfigURLs(); logger.debug("Loading configs at the following URLs {}", urls); for (URL url : urls) { + logger.debug("Loading module config. file at {}.", url); --- End diff -- First call removed in update.
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