IDP does not find RP Metadata

[Peter Schober]

* Rainer Hoerbe <rainer at hoerbe.at> [2017-03-20 12:19]:
> INFO
> [org.opensaml.saml.common.binding.impl.SAMLMetadataLookupHandler:128]
> - Message Handler:  No metadata returned for
> https://shib.lms-staging.km.co.at/shibboleth in role
> {urn:oasis:names:tc:SAML:2.0:metadata}SPSSODescriptor with protocol
> urn:oasis:names:tc:SAML:2.0:protocol

> The metadata provider in metadata-providers.xml is
> "/opt/md_feed/metadata.xml“. When I grep it for the EntityID the ED
> is found:
> 
> $ grep https://shib.lms-staging.km.co.at /opt/md_feed/metadata.xml 
> <md:EntityDescriptor entityID="https://shib-lms-staging.km.co.at/shibboleth">

grep uses regular expressions and so finds non-literal matches.

shib.lms-staging.km.co.at != shib-lms-staging.km.co.at

Use fgrep (i.e., `grep -F`) instead for verbatim matches.
-peter