Failed to send ping transport message – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.9

Before you dig into reading this guide, have you tried asking OpsGPT what this log means? You’ll receive a customized analysis of your log.

Try OpsGPT now for step-by-step guidance and tailored insights into your Elasticsearch operation.

Briefly, this error occurs when Elasticsearch nodes fail to communicate with each other due to network issues, firewall restrictions, or incorrect configuration settings. To resolve this, ensure that the network connection between nodes is stable and reliable. Check firewall settings to allow inter-node communication. Verify the configuration settings, particularly the ‘transport.ping_schedule’ and ‘transport.tcp.connect_timeout’ parameters. Also, ensure that the nodes are running compatible Elasticsearch versions.

For a complete solution to your to your search operation, try for free AutoOps for Elasticsearch & OpenSearch . With AutoOps and Opster’s proactive support, you don’t have to worry about your search operation – we take charge of it. Get improved performance & stability with less hardware.

This guide will help you check for common problems that cause the log ” failed to send ping transport message ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: ping.

Log Context

Log “failed to send ping transport message” classname is TransportKeepAlive.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

            threadPool.scheduleUnlessShuttingDown(pingInterval; ThreadPool.Names.GENERIC; this);
        }

        @Override
        public void onFailure(Exception e) {
            logger.warn("failed to send ping transport message"; e);
        }

        private boolean needsKeepAlivePing(TcpChannel channel) {
            TcpChannel.ChannelStats stats = channel.getChannelStats();
            long accessedDelta = stats.lastAccessedTime() - lastPingRelativeMillis;

 

How helpful was this guide?

We are sorry that this post was not useful for you!

Let us improve this post!

Tell us how we can improve this post?