Cannot retrieve data because index – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.3-7.15

Briefly, this error occurs when Elasticsearch is unable to fetch data due to a missing or inaccessible index. This could be due to the index being deleted, renamed, or the user not having the necessary permissions to access it. To resolve this issue, you can check if the index exists and is correctly named. If it’s a permissions issue, ensure the user has the right access rights. If the index was deleted, you may need to restore it from a backup or reindex the data.

This guide will help you check for common problems that cause the log ” cannot retrieve data because index ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, index.

Log Context

Log “cannot retrieve data because index” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 e -> {
 Throwable cause = ExceptionsHelper.unwrapCause(e);
 if (cause instanceof IndexNotFoundException) {
 docValueFieldsLimitListener.onFailure(new ResourceNotFoundException("cannot retrieve data because index "
 + ((IndexNotFoundException) cause).getIndex() + " does not exist"));
 } else {


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