Cannot retrieve data because index IndexNotFoundException cause getIndex does not exist – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.5-8.9

Briefly, this error occurs when Elasticsearch tries to access an index that doesn’t exist. This could be due to a typo in the index name, or the index may have been deleted. To resolve this issue, you can check the index name for typos, ensure the index exists before trying to access it, or handle the IndexNotFoundException in your code to provide a more user-friendly error message. If the index should exist, you may need to investigate why it was deleted or not created as expected.

This guide will help you check for common problems that cause the log ” cannot retrieve data because index ” + ((IndexNotFoundException) cause).getIndex() + ” does not exist ” 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 ” + ((IndexNotFoundException) cause).getIndex() + ” does not exist” 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) {
 new ResourceNotFoundException(
 "cannot retrieve data because index " + ((IndexNotFoundException) cause).getIndex() + " does not exist"
 } else {