Could not resolv e placeholder 'idp.encryption.cert'

[Peter Schober]

* BPottier at andovercos.com <BPottier at andovercos.com> [2017-08-22 16:53]:
> I keep getting this stack trace and I dopn’t know why. I haven’t
> done anything out of the ordinary and credentials.xml and
> idp.properties looks fine.

Please don't reply to messages from unrelated threads/topics (here:
"shibd segfault on parsing assertion") unless you intend to contribute
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> net.shibboleth.utilities.java.support.service.ServiceException:
> org.springframework.beans.factory.BeanDefinitionStoreException:
> Invalid bean definition with name
> 'shibboleth.DefaultEncryptionCredentials' defined in null: Could not
> resolve placeholder 'idp.encryption.cert' in string value
> "%{idp.encryption.cert}"; nested exception is
> java.lang.IllegalArgumentException: Could not resolve placeholder
> 'idp.encryption.cert' in string value "%{idp.encryption.cert}"

What's the value of idp.encryption.cert in idp.properties then?
Should be
idp.encryption.cert= %{idp.home}/credentials/idp-encryption.crt
Maybe %{idp.home} is not set?

-peter