Failed to parse index file name – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Failed to parse index file name ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: blobstore, discovery-file, index, repositories and repository-azure.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

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 {




 

Watch product tour

Watch how AutoOps finds & fixes Elasticsearch problems

Analyze Your Cluster
Skip to content