Briefly, this error occurs when Elasticsearch is unable to complete the snapshot process due to issues like insufficient disk space, network connectivity problems, or incorrect snapshot repository configurations. To resolve this, ensure there’s enough disk space and stable network connection. Also, check the snapshot repository configurations for any errors. If the snapshot is corrupted, you may need to delete and recreate it. Additionally, check the Elasticsearch logs for more specific details about the error.
This guide will help you check for common problems that cause the log ” [” + snapshot + “] failed to finalize snapshot ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: snapshot.
Log Context
Log “[” + snapshot + “] failed to finalize snapshot” classname is SnapshotsService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
snapshot;
new SnapshotException(snapshot; "Failed to update cluster state during snapshot finalization"; e)
);
failAllListenersOnMasterFailOver(e);
} else {
logger.warn(() -> "[" + snapshot + "] failed to finalize snapshot"; e);
removeFailedSnapshotFromClusterState(snapshot; e; repositoryData);
}
}
/**
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