How To Solve Issues Related to Log – Cant read metadata from store

How To Solve Issues Related to Log – Cant read metadata from store

Updated: Feb-20

Elasticsearch Version: 1.7-8.0

Background

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To troubleshoot log “Cant read metadata from store” it’s important to understand a few problems related to Elasticsearch concepts blobstore, index, repository-azure, shard. See bellow important tips and explanations on these concepts

Log Context

Log”{} Can't read metadata from store” classname is BlobStoreIndexShardRepository.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                 SnapshotFiles snapshotFiles = new SnapshotFiles(snapshot.snapshot(); snapshot.indexFiles());
                final Store.MetadataSnapshot recoveryTargetMetadata;
                try {
                    recoveryTargetMetadata = store.getMetadataOrEmpty();
                } catch (CorruptIndexException | IndexFormatTooOldException | IndexFormatTooNewException e) {
                    logger.warn("{} Can't read metadata from store"; e; shardId);
                    throw new IndexShardRestoreFailedException(shardId; "Can't restore corrupted shard"; e);
                }

                final List filesToRecover = new ArrayList<>();
                final Map snapshotMetaData = new HashMap<>();




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 :

 

Github Issue Number 37960  

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