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

Opster Team

August-23, Version: 7.7-7.8

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Briefly, this error occurs when Elasticsearch is unable to find the data streams specified in the request. This could be due to a typo in the stream name, the stream not existing, or insufficient permissions to access the stream. To resolve this, ensure the stream name is correct and exists in your Elasticsearch cluster. If it does, check the user permissions to ensure they have access to the specified data stream.

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This guide will help you check for common problems that cause the log ” data_streams 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_streams matching [” + + “] not found” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 // if a match-all pattern was specified and no data streams were found because none exist; do not
 // fail with data stream missing exception
 if (Regex.isMatchAllPattern( {
 return currentState;
 throw new ResourceNotFoundException("data_streams matching [" + + "] not found");
 List dataStreamsToRemove = new ArrayList<>();
 Set backingIndicesToRemove = new HashSet<>();
 for (String dataStreamName : dataStreams) {
 DataStream dataStream = currentState.metadata().dataStreams().get(dataStreamName);


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