Wrapped DEK ” + dekId + ” is larger than expected – How to solve this Elasticsearch error

Opster Team

March-22, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up which analyzes 2 JSON files to detect many configuration 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 ” Wrapped DEK ” + dekId + ” is larger than expected ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: repositories, plugin.

Log Context

Log “Wrapped DEK [” + dekId + “] is larger than expected”classname  is EncryptedRepository.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 "Wrapped DEK [" + dekId + "] has smaller length [" + bytesRead + "] than expected"
 if (encryptedDEKInputStream.read() != -1) {
 throw new RepositoryException(repositoryName; "Wrapped DEK [" + dekId + "] is larger than expected");
 } catch (NoSuchFileException e) {
 // do NOT throw IOException when the DEK does not exist; as this is a decryption problem; and IOExceptions
 // can move the repository in the corrupted state
 throw new ElasticsearchException(


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