Failed to invalidate SAML session – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch is unable to invalidate a Security Assertion Markup Language (SAML) session. This could be due to network issues, incorrect configuration, or problems with the SAML Identity Provider (IdP). To resolve this issue, you can check the network connectivity between Elasticsearch and the IdP, verify the SAML configuration in Elasticsearch, or check the status of the IdP. If the problem persists, you may need to debug the SAML communication between Elasticsearch and the IdP.

This guide will help you check for common problems that cause the log ” Failed to invalidate SAML session ” 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 invalidate SAML session” classname is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        } catch (ElasticsearchSecurityException e) {
  "Failed to invalidate SAML session"; e);

    private String buildLogoutResponseUrl(SamlRealm realm; SamlLogoutRequestHandler.Result result) {


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