SAML assertion contains multiple values for attribute returning first one – How to solve related issues

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SAML assertion contains multiple values for attribute returning first one – 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 ” SAML assertion contains multiple values for attribute returning first one ” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: plugin.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log Context

{{mpg_logstarted}}

Log “SAML assertion contains multiple values for attribute [{}] returning first one” classname is SamlRealm.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

             case 0:
                return null;
            case 1:
                return list.get(0);
            default:
                logger.info("SAML assertion contains multiple values for attribute [{}] returning first one"; name);
                return list.get(0);
        }
    }

    
Override



 

Run the Check-Up to get a customized report like this:

Analyze your cluster