Snapshot differs from actual index for file: meta: – 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 analyzes 2 JSON files to detect many errors.

To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.

This guide will help you check for common problems that cause the log ” Snapshot differs from actual index for file: meta: ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: handler, index, indices, recovery and snapshot.

Log Context

Log “Snapshot differs from actual index for file: {} meta: {}” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                 throw ex;
            for (String name : snapshot.getFileNames()) {
                final StoreFileMetaData md = recoverySourceMetadata.get(name);
                if (md == null) {
          "Snapshot differs from actual index for file: {} meta: {}"; name; recoverySourceMetadata.asMap());
                    throw new CorruptIndexException("Snapshot differs from actual index - maybe index was removed metadata has " +
                            recoverySourceMetadata.asMap().size() + " files"; name);
            final Version indexVersionCreated = shard.indexSettings().getIndexVersionCreated();


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