How To Solve Issues Related to Log – Failed to open / find files while reading metadata snapshot

How To Solve Issues Related to Log – Failed to open / find files while reading metadata snapshot

Updated: Jan-20

Elasticsearch Version: 1.7-8.0

Background

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To troubleshoot log “Failed to open / find files while reading metadata snapshot” it’s important to understand a few problems related to Elasticsearch concepts index, metadata, snapshot. See bellow important tips and explanations on these concepts

Log Context

Log”Failed to open / find files while reading metadata snapshot” classname is Store.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

             failIfCorrupted(dir; shardId);
            return new MetadataSnapshot(null; dir; logger);
        } catch (IndexNotFoundException ex) {
            // that's fine - happens all the time no need to log
        } catch (FileNotFoundException | NoSuchFileException ex) {
            logger.info("Failed to open / find files while reading metadata snapshot");
        } catch (ShardLockObtainFailedException ex) {
            logger.info(() -> new ParameterizedMessage("{}: failed to obtain shard lock"; shardId); ex);
        }
        return MetadataSnapshot.EMPTY;
    }




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 Corrupted index on elasticsearch after the network connectivity issue with AWS

0.51 K 

How To Get Back My Primary Shards  

Github Issue Number 15392

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