Unable to list commits at indexPath – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch is unable to access the commit history at the specified index path. This could be due to incorrect permissions, a non-existent path, or a corrupted index. To resolve this issue, you can check and correct the file permissions, verify the index path exists, or try to repair the corrupted index. If these steps don’t work, you may need to restore the index from a backup.

This guide will help you check for common problems that cause the log ” unable to list commits at [” + indexPath + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index.

Log Context

Log “unable to list commits at [” + indexPath + “]” class name is TruncateTranslogAction.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 try {
 commits = DirectoryReader.listCommits(indexDirectory);
 } catch (IndexNotFoundException infe) {
 throw new ElasticsearchException("unable to find a valid shard at [" + indexPath + "]"; infe);
 } catch (IOException e) {
 throw new ElasticsearchException("unable to list commits at [" + indexPath + "]"; e);
 }  // Retrieve the generation and UUID from the existing data
 final Map commitData = new HashMap<>(commits.get(commits.size() - 1).getUserData());
 final String translogUUID = commitData.get(Translog.TRANSLOG_UUID_KEY);


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