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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 :
}
}
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;
