[JIRA] Created: (SDSJ-102) NPE when non SAML1 IdP selected in "WAYF" mode

[Rod Widdowson (JIRA)]

NPE when non SAML1 IdP selected in "WAYF" mode
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                 Key: SDSJ-102
                 URL: https://issues.shibboleth.net/jira/browse/SDSJ-102
             Project: Shibboleth Discovery Service - Java
          Issue Type: Bug
            Reporter: Rod Widdowson
            Assignee: Rod Widdowson


If an SP fires a WAYF request off to the DS.  The DS does two things wrong:

1) It displays IdPs which do not have a SSO binding of "urn:mace:shibboleth:1.0:profiles:AuthnRequest"
2) It then throws an NPE if you select it:

java.lang.NullPointerException
	edu.internet2.middleware.shibboleth.wayf.IdPSite.getAddressForWAYF(IdPSite.java:189)
	edu.internet2.middleware.shibboleth.wayf.DiscoveryServiceHandler.forwardRequest(DiscoveryServiceHandler.java:855)
	edu.internet2.middleware.shibboleth.wayf.DiscoveryServiceHandler.handleSelection(DiscoveryServiceHandler.java:386)
	edu.internet2.middleware.shibboleth.wayf.DiscoveryServiceHandler.doGet(DiscoveryServiceHandler.java:325)
	edu.internet2.middleware.shibboleth.wayf.WayfService.doGet(WayfService.java:385)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

We need to make the second stop happening.  But we must also fix the first - unlike the "showUnusableIdPs 9which is to do with colocation of SPs and IdPs in the same metadata source, this need not be controlled by configuration.

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