Failed to invalidate SAML session – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

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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 :

             final SamlLogoutRequestHandler.Result result = realm.getLogoutHandler().parseFromQueryString(request.getQueryString());
            findAndInvalidateTokens(realm; result; ActionListener.wrap(count -> listener.onResponse(
                    new SamlInvalidateSessionResponse(; count; buildLogoutResponseUrl(realm; result))
            ); listener::onFailure));
        } catch (ElasticsearchSecurityException e) {
  "Failed to invalidate SAML session"; e);

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


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