No shard follow tasks for follower indices – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

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

This guide will help you check for common problems that cause the log ” No shard follow tasks for follower indices ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: indices, shard and plugin.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “No shard follow tasks for follower indices [{}]”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

if (Strings.isAllOrWildcard(request.indices()) == false) {
 final ClusterState state = clusterService.state();
 Set shardFollowTaskFollowerIndices = findFollowerIndicesFromShardFollowTasks(state; request.indices());
 if (shardFollowTaskFollowerIndices.isEmpty()) {
 String resources = String.join(";"; request.indices());
 throw new ResourceNotFoundException("No shard follow tasks for follower indices [{}]"; resources);
 super.doExecute(task; request; listener);


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