Failed to exchange code for Id Token – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.6-8.9

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Briefly, this error occurs when Elasticsearch fails to exchange an authorization code for an ID token during the OAuth 2.0 authentication process. This could be due to incorrect client credentials, invalid redirect URI, or network issues. To resolve this, ensure that the client ID and secret are correct, the redirect URI matches the one registered with the OAuth 2.0 provider, and the Elasticsearch server can reach the token endpoint of the OAuth 2.0 provider. Also, check the server logs for more detailed error information.

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This guide will help you check for common problems that cause the log ” Failed to exchange code for Id Token ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “Failed to exchange code for Id Token” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 } else {
 tokensListener.onFailure(new ElasticsearchSecurityException("Failed to exchange code for Id Token"));
 } else {
 final OIDCTokenResponse oidcTokenResponse = OIDCTokenResponse.parse(
 JSONObjectUtils.parse(EntityUtils.toString(entity; encoding))


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