/** * Checks availability of a classpath resource. * * @param name Resource name. * @return {@code true} if resource is available and ready for read, {@code false} otherwise. */ private boolean resourceAvailable(String name) { InputStream cfgStream = Thread.currentThread().getContextClassLoader().getResourceAsStream(name); if (cfgStream == null) { log.error("Classpath resource not found: " + name); return false; } try { // Read a single byte to force actual content access by JVM. cfgStream.read(); return true; } catch (IOException e) { log.error("Failed to read classpath resource: " + name, e); return false; } finally { U.close(cfgStream, log); } }