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I have a system that works, but after certain period of time I have this kind of problem:

2017-08-31 15:31:00 ERROR UT005023: Exception handling request to /spring-security-saml2-sample/saml/login: javax.servlet.ServletException: org.opensaml.saml2.metadata.provider.MetadataProviderException: Metadata for entity ****** and role {urn:oasis:names:tc:SAML:2.0:metadata}IDPSSODescriptor wasn't found
2017-08-31 15:31:02,922 ERROR [io.undertow.request] (default task-29) UT005023: Exception handling request to /spring-security-saml2-sample/: org.apache.jasper.JasperException: java.lang.NullPointerException
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:473)

My "express" solution is to restart wildfly but I'd like to resolve it definitively. What can I do?

kk.
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Pasquale Daloiso
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1 Answers1

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I recently ran into this same issue using CachingMetadataManager. In the docs, it says,

Cache is cleaned whenever some of the providers published an observed message

My current guess is that the IDP either published a message and one of our severs didn't get it, or that the IDP made changes to the metadata without publishing a message. However, simply rebuilding the environment did fix the issue.

Eric
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