}
      } catch (MalformedURLException e) {
        logger.log(WARNING, "malformed classpath entry: " + entry, e);
      }
    }
    return urls.build();
  }

  /**
   * Returns the absolute uri of the Class-Path entry value as specified in <a
   * href="http://docs.oracle.com/javase/8/docs/technotes/guides/jar/jar.html#Main_Attributes">JAR