Join target is a follower – Elasticsearch Error How To Solve Related Issues

Join target is a follower – 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 “join target is a follower” 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: join, cluster.

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”join target is a follower”classname  is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

  static class FollowerJoinAccumulator implements JoinAccumulator {
  public void handleJoinRequest(DiscoveryNode sender; JoinCallback joinCallback) {
  joinCallback.onFailure(new CoordinationStateRejectedException("join target is a follower"));
  public String toString() {
  return "FollowerJoinAccumulator";

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 Why does writeObject throw and how do I fix it? -views 261,907 ,score 107

"java.lang.IllegalArgumentException: Not a managed type …" when entity class and Spring data repository in same package -views   10,225

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