private static MessageDigest getMessageDigest() {
    try {
      return MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException ignored) {
      // Failure just means we can't do a simple compare for content equality
    }
    return null;
  }
ClassLoader for a single JAR file.

@since GemFire 7.0
geode-deployment/geode-deployment-legacy/src/main/java/org/apache/geode/deployment/internal/DeployedJar.java