Response – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 2.5-2.9

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Briefly, this error occurs when OpenSearch doesn’t return any data in response to a query. This could be due to a variety of reasons such as incorrect query syntax, issues with the index, or network connectivity problems. To resolve this, you can check the query syntax and ensure it’s correct. If the syntax is correct, verify that the index you’re querying exists and is properly configured. Lastly, check your network connection to the OpenSearch server to ensure it’s stable and reliable.

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This guide will help you check for common problems that cause the log ” response {} ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: response.

Log Context

Log “response {}” classname is
We extracted the following from OpenSearch source code for those seeking an in-depth context :

        return new AcknowledgedResponse(in);

    public void handleResponse(AcknowledgedResponse response) {"response {}"; response.getStatus());
        if (!response.getStatus()) {
            handleException(new TransportException("Request was not completed successfully"));


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