Log Failed to parse index file name – How To Solve Related Issues

Log Failed to parse index file name – How To Solve Related Issues

Updated: Jan-20

Elasticsearch Version: 1.7-8.0


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 “Failed to parse index file name” it’s important to understand a few problems related to Elasticsearch concepts blobstore, discovery-file, index, repositories, repository-azure. See bellow important tips and explanations on these concepts

Log Context

Log”Failed to parse index file name [{}]” classname is BlobStoreRepository.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                         int gen = Integer.parseInt(name.substring(SNAPSHOT_INDEX_PREFIX.length()));
                        if (gen > latest) {
                            latest = gen;
                    } catch (NumberFormatException ex) {
                        logger.warn("failed to parse index file name [{}]"; name);
            if (latest >= 0) {
                try {


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 ElasticSearch indexing issue ,failed to parse timestamp

2.31 K 1

Not able to create elasticsearch’s mappings for the index created from logstash JDBC input plugin

  0.17 K 1


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