Failed to find existing translog files – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch cannot locate the transaction log (translog) files. These files are crucial for data recovery and real-time operations. The error might be due to accidental deletion, corruption, or misconfiguration. To resolve this, you can restore from a recent backup if available. If not, you can try to recreate the index, but this will result in data loss. Also, ensure that the path specified in the Elasticsearch configuration for translog files is correct and accessible. Lastly, check for any hardware or filesystem issues that might be causing the problem.

This guide will help you check for common problems that cause the log ” failed to find existing translog files ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index.

Log Context

Log “failed to find existing translog files” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 // Hold the lock open for the duration of the tool running
 Set translogFiles;
 try {
 translogFiles = filesInDirectory(translogPath);
 } catch (IOException e) {
 throw new ElasticsearchException("failed to find existing translog files"; e);
 final String details = deletingFilesDetails(translogPath; translogFiles);  return Tuple.tuple(RemoveCorruptedShardDataCommand.CleanStatus.CORRUPTED; details);


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