Data stream matching request name not found – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.8-7.8

Briefly, this error occurs when Elasticsearch is unable to find a data stream that matches the name provided in the request. This could be due to a typo in the data stream name, or the data stream may not exist. To resolve this issue, you can verify the data stream name for any typos or check if the data stream exists in your Elasticsearch cluster. If it doesn’t exist, you may need to create it. Also, ensure that the user has the necessary permissions to access the data stream.

This guide will help you check for common problems that cause the log ” data_stream matching [” + + “] not found ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: request, admin, indices.

Log Context

Log “data_stream matching [” + + “] not found” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 } else if (dataStreams.containsKey( {
 } else {
 throw new ResourceNotFoundException("data_stream matching [" + + "] not found");
 return results;