How to use

close

method

in

org.apache.pulsar.client.api.Authentication

@Override
public void shutdown() throws PulsarClientException {
  try {
    lookup.close();
    cnxPool.close();
    timer.stop();
    externalExecutorProvider.shutdownNow();
    conf.getAuthentication().close();
  } catch (Throwable t) {
    log.warn("Failed to shutdown Pulsar client", t);
    throw new PulsarClientException(t);
  }
}

  /**
   * Close the Pulsar admin client to release all the resources
   */
  @Override
  public void close() {
    try {
      if (auth != null) {
        auth.close();
      }
    } catch (IOException e) {
      LOG.error("Failed to close the authentication service", e);
    }
    client.close();
  }
}

@Override
public void shutdown() throws PulsarClientException {
  try {
    lookup.close();
    cnxPool.close();
    timer.stop();
    externalExecutorProvider.shutdownNow();
    conf.getAuthentication().close();
  } catch (Throwable t) {
    log.warn("Failed to shutdown Pulsar client", t);
    throw new PulsarClientException(t);
  }
}

} catch (Exception e) {
  try {
    auth.close();
  } catch (IOException ioe) {
    LOG.error("Failed to close the authentication service", ioe);

try {
  if (auth != null) {
    auth.close();