How to use

CouldNotConnectException

in

io.searchbox.client.config.exception

removeNodeAndUpdateServers(cnce.getHost());
return;

@Override
public void failed(final Exception ex) {
  log.error("Exception occurred during async execution.", ex);
  if (ex instanceof HttpHostConnectException) {
    String host = ((HttpHostConnectException) ex).getHost().toURI();
    resultHandler.failed(new CouldNotConnectException(host, ex));
    return;
  }
  resultHandler.failed(ex);
}

@Override
public <T extends JestResult> T execute(JestClient client, Action<T> clientRequest) {
  do {
    LOG.debug("Executing request {}", clientRequest);
    try {
      T result = client.execute(clientRequest);
      return result;
    } catch (CouldNotConnectException connectException) {
      LOG.error("Could not connect to elastic endpoint: {}", connectException.getHost(), connectException);
    } catch (IOException ex) {
      LOG.error("Could not perform request {}: {}", clientRequest, ex.getMessage(), ex);
    } catch (com.google.gson.JsonSyntaxException gsonException) {
      LOG.error("A Json error occurred: {}", gsonException.getMessage(), gsonException);
    }
    // Retry-Logic
    LOG.debug("Request was not executed properly. Attempting Retry...");
    if (cooldownInMs > 0) {
      LOG.debug("Sleep " + cooldownInMs + " before retrying");
      try {
        Thread.sleep(cooldownInMs);
      } catch (InterruptedException e) {
        throw new RuntimeException("Thread interrupted.", e);
      }
    }
    LOG.debug("Retrying now");
  } while (true);
}

public <T extends JestResult> T execute(Action<T> clientRequest, RequestConfig requestConfig) throws IOException {
  HttpUriRequest request = prepareRequest(clientRequest, requestConfig);
  CloseableHttpResponse response = null;
  try {
    response = executeRequest(request);
    return deserializeResponse(response, request, clientRequest);
  } catch (HttpHostConnectException ex) {
    throw new CouldNotConnectException(ex.getHost().toURI(), ex);
  } finally {
    if (response != null) {
      try {
        response.close();
      } catch (IOException ex) {
        log.error("Exception occurred while closing response stream.", ex);
      }
    }
  }
}

@Override
public <T extends JestResult> T execute(JestClient client, Action<T> clientRequest) {
  do {
    LOG.debug("Executing request {}", clientRequest);
    try {
      T result = client.execute(clientRequest);
      return result;
    } catch (CouldNotConnectException connectException) {
      LOG.error("Could not connect to elastic endpoint: {}", connectException.getHost(), connectException);
    } catch (IOException ex) {
      LOG.error("Could not perform request {}: {}", clientRequest, ex.getMessage(), ex);
    } catch (com.google.gson.JsonSyntaxException gsonException) {
      LOG.error("A Json error occurred: {}", gsonException.getMessage(), gsonException);
    }
    // Retry-Logic
    LOG.debug("Request was not executed properly. Attempting Retry...");
    if (cooldownInMs > 0) {
      LOG.debug("Sleep " + cooldownInMs + " before retrying");
      try {
        Thread.sleep(cooldownInMs);
      } catch (InterruptedException e) {
        throw new RuntimeException("Thread interrupted.", e);
      }
    }
    LOG.debug("Retrying now");
  } while (true);
}

public <T extends JestResult> T execute(Action<T> clientRequest, RequestConfig requestConfig) throws IOException {
  String elasticSearchRestUrl = getRequestURL(getNextServer(), clientRequest.getURI(ElasticsearchVersion.UNKNOWN));
  HttpUriRequest request = constructHttpMethod(clientRequest.getRestMethodName(), elasticSearchRestUrl, clientRequest.getData(gson), requestConfig);
  // add headers added to action
  if (!clientRequest.getHeaders().isEmpty()) {
    for (Map.Entry<String, Object> header : clientRequest.getHeaders().entrySet()) {
      request.addHeader(header.getKey(), header.getValue().toString());
    }
  }
  try {
    HttpResponse response = httpClient.execute(request);
    return deserializeResponse(response, clientRequest);
  } catch (HttpHostConnectException ex) {
    throw new CouldNotConnectException(ex.getHost().toURI(), ex);
  }
}

removeNodeAndUpdateServers(cnce.getHost());
return;

@Override
public void failed(final Exception ex) {
  log.error("Exception occurred during async execution.", ex);
  if (ex instanceof HttpHostConnectException) {
    String host = ((HttpHostConnectException) ex).getHost().toURI();
    resultHandler.failed(new CouldNotConnectException(host, ex));
    return;
  }
  resultHandler.failed(ex);
}

removeNodeAndUpdateServers(cnce.getHost());
return;

public <T extends JestResult> T execute(Action<T> clientRequest, RequestConfig requestConfig) throws IOException {
  HttpUriRequest request = prepareRequest(clientRequest, requestConfig);
  CloseableHttpResponse response = null;
  try {
    response = executeRequest(request);
    return deserializeResponse(response, request, clientRequest);
  } catch (HttpHostConnectException ex) {
    throw new CouldNotConnectException(ex.getHost().toURI(), ex);
  } finally {
    if (response != null) {
      try {
        response.close();
      } catch (IOException ex) {
        log.error("Exception occurred while closing response stream.", ex);
      }
    }
  }
}