Handshake_timeout” + timeout + ” – How to solve this Elasticsearch error

Handshake_timeout” + timeout + ” – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” handshake_timeout” + timeout + ” ” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: node.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log Context

Log”handshake_timeout[” + timeout + “]”classname  is TransportHandshaker.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

// to as the payload.
  final Version minCompatVersion = version.minimumCompatibilityVersion();
  handshakeRequestSender.sendRequest(node; channel; requestId; minCompatVersion);
  () -> handler.handleLocalException(new ConnectTransportException(node; "handshake_timeout[" + timeout + "]"));
  success = true;
  } catch (Exception e) {
  handler.handleLocalException(new ConnectTransportException(node; "failure to send " + HANDSHAKE_ACTION_NAME; e));


Run the Check-Up to get a customized report like this:

Analyze your cluster