code: private static String requireJsConfigErrorMessage(Map.Entry<String, String> webJar) {
          return "Could not read WebJar RequireJS config for: " + webJar.getKey() + " " + webJar.getValue() + "\n" +
                  "Please file a bug at: http://github.com/webjars/" + webJar.getKey() + "/issues/new";
      }
docs: A generic error message for when the RequireJS config could not be parsed out of the WebJar's pom.xml meta-data.
  
  @param webJar A tuple (artifactId -> version) representing the WebJar.
  @return The error message.