How to resolve a binding exception

Scott Koranda skoranda at
Wed Aug 19 08:09:17 EDT 2015

Hi Joe,

(Joe is also part of the LIGO project.)

I don't know why the change is now causing you an error.

But if this is a LIGO SP please contact me offline and I can help you

If this is not a LIGO SP but you copied or evolved the SP configuration
from a LIGO SP then also contact me offline and I will help you create a
more "vanilla" configuration. I say that because the error indicates the SP
is using the artifact resolution protocol, which we do use in LIGO for
certain situations, but it is best not to use it with "generic" SPs if you
do not have a good reason for it.


Scott K

On Wed, Aug 19, 2015 at 7:26 AM, Joseph Areeda <
jareeda at> wrote:

> Hash: SHA512
> Hi,
> I've swapped server hardware to move our SP to a more capable machine.
>  The service used to be provided by a VM which became our backup.
> Both were working before the swap which consisted of a DNS change and
> swapping certificates and keytabs to match the new URLs.
> Now the VM is working but the new hardware cannot authenticate with
> Shibboleth.  The web page and log files say:
> 2015-08-19 04:11:33 ERROR Shibboleth.Listener [15015] shib_handler:
> remoted message returned an error: Unable to resolve artifact(s) into
> a SAML response.
> 2015-08-19 04:11:33 ERROR Shibboleth.Apache [15015] shib_handler:
> Unable to resolve artifact(s) into a SAML response.
> I don't understand the message or what part of the SP is
> misconfigured. I've compared configurations of the working and non
> working systems but I don't see a problem.
> Google and the troubleshooting section of the Shib wiki didn't turn up
> anything useful.
> I'd appreciate any help to isolate the problem.
> Thanks,
> Joe
> Version: GnuPG/MacGPG2 v2
> Comment: GPGTools -
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> =pcsm
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