The grant type is not supported – How to solve this Elasticsearch error

Opster Team

March-22, Version: 1.7-8.0

Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up which analyzes 2 JSON files to detect many configuration errors.

To easily locate the root cause and resolve this issue try AutoOps for Elasticsearch & OpenSearch. It diagnoses problems by analyzing hundreds of metrics collected by a lightweight agent and offers guidance for resolving them.

This guide will help you check for common problems that cause the log ” the grant type is not supported ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.


Log Context

Log “the grant type [{}] is not supported”classname  is TransportGrantAction.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

try (ThreadContext.StoredContext ignore = threadContext.stashContext()) {
 final AuthenticationToken authenticationToken = grantRequest.getGrant().getAuthenticationToken();
 assert authenticationToken != null : "authentication token must not be null";
 if (authenticationToken == null) {
 listener.onFailure(
 new ElasticsearchSecurityException("the grant type [{}] is not supported"; grantRequest.getGrant().getType())
 );
 return;
 }
 authenticationService.authenticate(
 actionName;

 

See how you can use AutoOps to resolve issues


How helpful was this guide?

We are sorry that this post was not useful for you!

Let us improve this post!

Tell us how we can improve this post?

Analyze your cluster & get personalized recommendations

Skip to content