Briefly, this error occurs when Elasticsearch encounters an issue with the HTTP server channel during data transportation. This could be due to network connectivity issues, server overload, or configuration errors. To resolve this, you can try the following: 1) Check your network connection and ensure the server is reachable. 2) Monitor server load to ensure it’s not being overwhelmed. 3) Review your Elasticsearch configuration for any errors or inconsistencies. 4) Restart Elasticsearch service to clear any temporary issues.
This guide will help you check for common problems that cause the log ” exception from http server channel caught on transport layer [channel=” + channel + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: .
Log Context
Log “exception from http server channel caught on transport layer [channel=” + channel + “]” classname is AbstractHttpServerTransport.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
CloseableChannel.closeChannel(channel);
}
}
protected static void onServerException(HttpServerChannel channel; Exception e) {
logger.error(() -> "exception from http server channel caught on transport layer [channel=" + channel + "]"; e);
}
protected void serverAcceptedChannel(HttpChannel httpChannel) {
boolean addedOnThisCall = httpChannels.add(httpChannel);
assert addedOnThisCall : "Channel should only be added to http channel set once";
