Unexpected response type while is configured – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.2-7.15

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Briefly, this error occurs when Elasticsearch receives a response type that it doesn’t expect, based on its configuration. This could be due to a mismatch between the data type sent in the request and the data type expected by Elasticsearch. To resolve this issue, you can: 1) Check the data type in your request and ensure it matches with the configured data type in Elasticsearch. 2) Review your Elasticsearch configuration and adjust it to accept the data type you’re sending. 3) If you’re using a client library, ensure it’s correctly configured to send the expected data type.

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This guide will help you check for common problems that cause the log ” Unexpected response type [{}]; while [{}] is configured ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, response.

Log Context

Log “Unexpected response type [{}]; while [{}] is configured” class name is OpenIdConnectAuthenticator.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 * @param response The {@link AuthenticationSuccessResponse} we received
 * @throws ElasticsearchSecurityException if the response is not the expected one for the configured response type
 */
 private void validateResponseType(AuthenticationSuccessResponse response) {
 if (rpConfig.getResponseType().equals(response.impliedResponseType()) == false) {
 throw new ElasticsearchSecurityException("Unexpected response type [{}]; while [{}] is configured";
 response.impliedResponseType(); rpConfig.getResponseType());
 }
 }  /**

 

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