Recovery was canceled reason ” + reason + ” – Elasticsearch Error How To Solve Related Issues

Recovery was canceled reason ” + reason + ” – 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 “recovery was canceled reason ” + reason + “” 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: recovery, indices.

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”recovery was canceled reason [” + reason + “]”classname  is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

cancellableThreads.setOnCancel((reason; beforeCancelEx) -> {
  final RuntimeException e;
  if (shard.state() == IndexShardState.CLOSED) { // check if the shard got closed on us
  e = new IndexShardClosedException(shard.shardId(); "shard is closed and recovery was canceled reason [" + reason + "]");
  } else {
  e = new CancellableThreads.ExecutionCancelledException("recovery was canceled reason [" + reason + "]");
  if (beforeCancelEx != null) {
  IOUtils.closeWhileHandlingException(releaseResources; () -> future.onFailure(e));

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 ElasticSearch: Unassigned Shards, how to fix? -views 222,252 ,score 164

PostgreSQL ERROR: canceling statement due to conflict with recovery -views   107,122,score 136

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