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The following is observed in the application server log for Appian sites with SAML authentication configured:
[ajp-nio-0.0.0.0-8009-exec-3] ERROR com.appiancorp.security.auth.saml.redirecter.SamlAuthProviderQueryStringGenerator - Could not find IdP entity Id: Idp Entity Id not stored on session or request
A SAML user failed to log in to Appian. This can be due to a variety of reasons, including incorrect credentials or an issue with the SAML configuration.
Check whether SAML users are having issues logging in to Appian despite using correct credentials. If not, the error can be safely ignored as it likely means that some users had failed login attempts but were ultimately able to log in. If so, please review KB-1450 for troubleshooting steps to take. If this does not resolve the issue, open a case with Appian Technical Support and include the following:
This article applies to all versions of Appian using SAML authentication.
Last Reviewed: September 2021