How To Solve Issues Related to Log – Failed to get snapshot

How To Solve Issues Related to Log – Failed to get snapshot

Updated: Jan-20

Elasticsearch Version: 1.7-8.0

Background

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To troubleshoot log “Failed to get snapshot” it’s important to understand a few problems related to Elasticsearch concepts snapshot, node , cluster, index. See bellow important tips and explanations on these concepts

Log Context

Log”Failed to get snapshot [{}]” classname is SnapshotsService.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                 } else {
                    snapshotSet.add(repository.getSnapshotInfo(snapshotId));
                }
            } catch (Exception ex) {
                if (ignoreUnavailable) {
                    logger.warn(() -> new ParameterizedMessage("failed to get snapshot [{}]"; snapshotId); ex);
                } else {
                    if (ex instanceof SnapshotException) {
                        throw ex;
                    }
                    throw new SnapshotException(repositoryName; snapshotId; "Snapshot could not be read"; ex);




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 23716  

Understanding Index Shard Snapshot  

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