idp v3: /idp/status returns a 500

[Peter Schober]

* Liam Hoekenga <liamr at umich.edu> [2015-10-01 18:20]:
> Should the IDP come with jstl.jar?

If using Tomcat:

"Tomcat does not provide the Java Server Tag Library, which is required
to use JSP pages as Spring views. The IdP status page is built with
JSP and will not run without this library."
https://wiki.shibboleth.net/confluence/display/IDP30/ApacheTomcat8

(It's fresh in memory because I missed that initially.)
-peter