private void readObject(ObjectInputStream in) throws ClassNotFoundException, IOException {
    in.defaultReadObject();

    sslConfig = sslConfigOrDefault(null);
    memberName = memberNameOrDefault(memberName);
  }
Required to initialize non-null values for transient or missing fields.
geode-core/src/main/java/org/apache/geode/internal/admin/remote/DistributionLocatorId.java