Failed recovery – 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 ” failed recovery ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: recovery, shard and index.

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 “failed recovery”classname  is StoreRecovery.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

} else {
 if (indexShard.state() == IndexShardState.CLOSED) {
 // got closed on us; just ignore this recovery
 listener.onResponse(false);
 } else {
 listener.onFailure(new IndexShardRecoveryException(shardId; "failed recovery"; ex));
 }
 }
 });
 }

 

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