code: protected void setupClasspathJarResourceIfNeeds(WebAppContext context) {
          if (isWarableWorld() || !isValidMetaInfConfiguration()) {
              return;
          }
          // may be local development and uses meta-inf configuration here
          final List<String> classpathList = extractJarClassspathList();
          for (String classpath : classpathList) {
              final String jarPath = convertClasspathToJarPath(classpath);
              final URL url;
              try {
                  url = new URL(jarPath);
              } catch (MalformedURLException e) {
                  throw new IllegalStateException("Failed to create URL from the jar path: " + jarPath, e);
              }
              context.getMetaData().addContainerResource(new JarResource(url) {
              });
          }
      }
docs: so manually enable it