Before you begin reading this guide, we recommend you run 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 ” 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.
Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.
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 :
}
}
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;
