public Integer getDefaultServerTaskTimeout() {
    String value = getProperty(SERVER_TASK_TIMEOUT);
    if (StringUtils.isNumeric(value)) {
      return Integer.parseInt(value);
    } else {
      LOG.warn("Value of {} ({}) should be a number, falling back to default value ({})",
          SERVER_TASK_TIMEOUT.getKey(), value, SERVER_TASK_TIMEOUT.getDefaultValue());
      return SERVER_TASK_TIMEOUT.getDefaultValue();
    }
  }
@return default server-side task timeout in seconds.
ambari-server/src/main/java/org/apache/ambari/server/configuration/Configuration.java