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



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

Opster Team

Jan-20, Version: 1.7-8.0

 

Before you read this guide, we recommend you run the Elasticsearch Error Check-Up which detects issues in ES that cause log errors. It’s a free tool that requires no installation and takes 2 minutes to complete.

This guide will help you check for common problems that cause the log ” Failed to open / find files while reading metadata snapshot ” 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: index, metadata and snapshot.

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 pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them. Among the dozens of checks included are: shards sizes, thread pools, management queue size, search errors, circuit breakers and many more (join over 700 users who use this free tool).

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 -views 0.51 K ,score –

2 How To Get Back My Primary Shards






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