Failed to recover from local shards – How to solve this Elasticsearch error

Opster Team

July-20, Version: 1.7-8.0

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This guide will help you check for common problems that cause the log ” failed to recover from local shards ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: shards, shard and index.

Log Context

Log “failed to recover from local shards”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

// copied segments - we will also see them in stats etc.
 indexShard.getEngine().forceMerge(false; -1; false;
 false; false; UUIDs.randomBase64UUID());
 return true;
 } catch (IOException ex) {
 throw new IndexShardRecoveryException(indexShard.shardId(); "failed to recover from local shards"; ex);
 } else {


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