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2020-11-30 14:05:32,408 -  - WARN [org.apache.xml.security.signature.XMLSignature:777] - Signature verification failed.
2020-11-30 14:05:32,409 -  - ERROR [org.opensaml.saml.metadata.resolver.filter.impl.SignatureValidationFilter:419] - Signature trust establishment failed for metadata entry GakuNin-testhttp://edugain.org/
2020-11-30 14:05:32,410 -  - ERROR [org.opensaml.saml.metadata.resolver.impl.AbstractReloadingMetadataResolver:537] - Metadata Resolver FileBackedHTTPMetadataResolver HTTPMetadata-eduGAIN: Error filtering metadata from http://edugain.cdn.samlbits.net/edugain-v2.xml
org.opensaml.saml.metadata.resolver.filter.FilterException: Signature trust establishment failed for metadata entry
        at org.opensaml.saml.metadata.resolver.filter.impl.SignatureValidationFilter.verifySignature(SignatureValidationFilter.java:420)