Exception while attempting to validate SAML Signature – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Exception while attempting to validate SAML Signature ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: handler, plugin and request.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “Exception while attempting to validate SAML Signature” classname is SamlRequestHandler.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                 logger.debug(() -> new ParameterizedMessage("SAML Signature [{}] does not match credentials [{}] [{}] -- {}";
                        signatureText; credential.getEntityId(); credential.getPublicKey(); e));
                logger.trace("SAML Signature failure caused by"; e);
                return false;
            } catch (Exception e) {
                logger.warn("Exception while attempting to validate SAML Signature"; e);
                return false;
            }
        };
        final List credentials = idp.getSigningCredentials();
        if (credentials.stream().anyMatch(predicate) == false) {




 

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