Response channel restRequest getHttpChannel closed – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.12-7.13

Briefly, this error occurs when the HTTP channel through which Elasticsearch communicates with the client is closed before the response is fully sent. This could be due to network issues, client-side interruptions, or server-side problems. To resolve this, you can try the following: 1) Check the network connection between the client and the server. 2) Ensure the client is not closing the connection prematurely. 3) Investigate server logs for any issues that might cause the connection to close. 4) Increase the server’s timeout settings if the response is large and takes time to process.

This guide will help you check for common problems that cause the log ” response channel [” + restRequest.getHttpChannel() + “] closed ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: response, rest, request.

Log Context

Log “response channel [” + restRequest.getHttpChannel() + “] closed” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 this.restRequest = restRequest;
 }  private void ensureOpen() {
 if (restRequest.getHttpChannel().isOpen() == false) {
 throw new TaskCancelledException("response channel [" + restRequest.getHttpChannel() + "] closed");
 }  protected ToXContent.Params getParams() {
 return restRequest;


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