wro4j-extensions/src/main/java/ro/isdc/wro/extensions/locator/WebjarsUriLocator.java
private String extractPath(final String uri) {
    return DefaultWildcardStreamLocator.stripQueryPath(uri.replace(PREFIX, StringUtils.EMPTY));
  }
private String extractPath(final String uri) {
    return DefaultWildcardStreamLocator.stripQueryPath(uri.replace(PREFIX, StringUtils.EMPTY));
  }
Replaces the protocol specific prefix and removes the query path if it exist, since it should not be accepted.