Log Cannot read snapshot file – How To Solve Related Issues

Log Cannot read snapshot file – How To Solve Related Issues

Updated: Jan-20

Elasticsearch Version: 1.7-8.0

Background

To resolve issues causing many log errors you can try our Elasticsearch Check-Up it analyses ES configuration to provide actionable recommendations (no installation required) 


To troubleshoot log “Cannot read snapshot file” it’s important to understand a few problems related to Elasticsearch concepts blobstore, discovery-file, repositories, repository-azure, snapshot. See bellow important tips and explanations on these concepts

Log Context

Log”Cannot read snapshot file [{}]” classname is BlobStoreRepository.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

         try {
            snapshot = getSnapshotInfo(snapshotId);
        } catch (SnapshotMissingException ex) {
            throw ex;
        } catch (IllegalStateException | SnapshotException | ElasticsearchParseException ex) {
            logger.warn(() -> new ParameterizedMessage("cannot read snapshot file [{}]"; snapshotId); ex);
        }

        try {
            // Delete snapshot from the index file; since it is the maintainer of truth of active snapshots
            final RepositoryData updatedRepositoryData = repositoryData.removeSnapshot(snapshotId);




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 Github Issue Number 26410  

Github Issue Number 22156  

Cannot Read From Elasticsearch Usin

 

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