@Override
  public int hashCode() {
    return defaultPassword != null ? defaultPassword.hashCode() : 0;
  }
Attempt to set the default password in cluster configuration for missing password property.

@param configType       configuration type
@param property         password property name

@return true if password was set, otherwise false.  Currently the password will always be set
        unless it is null
ambari-server/src/main/java/org/apache/ambari/server/topology/validators/RequiredPasswordValidator.java