Failure to send – Elasticsearch Error How To Solve Related Issues



Failure to send – Elasticsearch Error How To Solve Related Issues

Updated: July-20

Elasticsearch Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up  which can resolve issues causing many errors 

 

This guide will help you check for common problems that cause the log “failure to send” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: .


Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to discover the cause of many errors and provides suitable actionable recommendations (free tool that requires no installation). 

Log Context

Log”failure to send”classname  is TransportHandshaker.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

() -> handler.handleLocalException(new ConnectTransportException(node; "handshake_timeout[" + timeout + "]"));
  timeout;
  ThreadPool.Names.GENERIC);
  success = true;
  } catch (Exception e) {
  handler.handleLocalException(new ConnectTransportException(node; "failure to send " + HANDSHAKE_ACTION_NAME; e));
  } finally {
  if (success == false) {
  TransportResponseHandler> removed = pendingHandshakes.remove(requestId);
  assert removed == null : "Handshake should not be pending if exception was thrown";
  }

Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 Failed to send join request to master ElasticSearch on AWS EC2 owned cluster -views 574 ,score 2

ES nodes crashing: failed to send failed shard – Elasticsearch …  



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