Failure to validate Response Signature

[Peter Schober]

* Rainer Hoerbe <rainer at hoerbe.at> [2012-10-04 10:45]:
> ERROR XMLTooling.TrustEngine.PKIX [2]: certificate name was not acceptable
> ERROR OpenSAML.SecurityPolicyRule.XMLSigning [2]: unable to verify message signature with supplied trust engine
> 
> In my understanding the explicit trust engine is first, and PKIX is
> second. I do not understand the second error message.

Anything showing up earlier the log file?
-peter