Failed to recover from gateway – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch encounters issues while trying to recover data from the gateway, which is typically a snapshot repository. This could be due to network issues, insufficient permissions, or corrupted data. To resolve this, you can try the following: 1) Check and fix network connectivity issues. 2) Ensure Elasticsearch has the necessary permissions to access the gateway. 3) Check for corrupted data and restore from a healthy backup if necessary. 4) Restart the Elasticsearch node or cluster to trigger a new recovery process.

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

Log Context

Log “failed to recover from gateway” class name is StoreRecovery.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 indexShard.openEngineAndRecoverFromTranslog();
 indexShard.getEngine().fillSeqNoGaps(indexShard.getPendingPrimaryTerm());
 indexShard.finalizeRecovery();
 indexShard.postRecovery("post recovery from shard_store");
 } catch (EngineException | IOException e) {
 throw new IndexShardRecoveryException(shardId; "failed to recover from gateway"; e);
 } finally {
 store.decRef();
 }
 }).run()));
 }

 

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