Issues getting GitHub configured to utilize Shibboleth IDP

[Cahill, Charles (GE Appliances)]

I am getting the below,  can you guys tell me what may be the problem while configuring GitHub to use Shib.

Thanks !

13:28:41.269 [http-bio-8443-exec-10] WARN  e.i.m.s.i.p.saml2.SSOProfileHandler - Error decoding authentication request message
org.opensaml.ws.message.decoder.MessageDecodingException: This message decoder only supports the HTTP POST method
       at org.opensaml.saml2.binding.decoding.HTTPPostDecoder.doDecode(HTTPPostDecoder.java:83) ~[opensaml-2.6.5.jar:na]
       at org.opensaml.ws.message.decoder.BaseMessageDecoder.decode(BaseMessageDecoder.java:79) ~[openws-1.5.5.jar:na]
       at org.opensaml.saml2.binding.decoding.BaseSAML2MessageDecoder.decode(BaseSAML2MessageDecoder.java:70) ~[opensaml-2.6.5.jar:na]
       at edu.internet2.middleware.shibboleth.idp.profile.saml2.SSOProfileHandler.decodeRequest(SSOProfileHandler.java:386) [shibboleth-identityprovider-2.4.4.jar:na]
       at edu.internet2.middleware.shibboleth.idp.profile.saml2.SSOProfileHandler.performAuthentication(SSOProfileHandler.java:211) [shibboleth-identityprovider-2.4.4.jar:na]
       at edu.internet2.middleware.shibboleth.idp.profile.saml2.SSOProfileHandler.processRequest(SSOProfileHandler.java:189) [shibboleth-identityprovider-2.4.4.jar:na]
       at edu.internet2.middleware.shibboleth.idp.profile.saml2.SSOProfileHandler.processRequest(SSOProfileHandler.java:90) [shibboleth-identityprovider-2.4.4.jar:na]
       at edu.internet2.middleware.shibboleth.common.profile.ProfileRequestDispatcherServlet.service(ProfileRequestDispatcherServlet.java:83) [shibboleth-common-1.4.4.jar:na]
       at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) [servlet-api.jar:na]
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) [catalina.jar:7.0.59]
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.59]
       at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) [tomcat7-websocket.jar:7.0.59]
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.59]
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.59]
       at edu.internet2.middleware.shibboleth.idp.util.NoCacheFilter.doFilter(NoCacheFilter.java:50) [shibboleth-identityprovider-2.4.4.jar:na]
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.59]
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.59]
       at edu.internet2.middleware.shibboleth.idp.session.IdPSessionFilter.doFilter(IdPSessionFilter.java:87) [shibboleth-identityprovider-2.4.4.jar:na]
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.59]
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.59]
       at edu.internet2.middleware.shibboleth.common.log.SLF4JMDCCleanupFilter.doFilter(SLF4JMDCCleanupFilter.java:52) [shibboleth-common-1.4.4.jar:na]
       at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) [catalina.jar:7.0.59]
       at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) [catalina.jar:7.0.59]
       at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:203) [catalina.jar:7.0.59]
       at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) [catalina.jar:7.0.59]
       at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504) [catalina.jar:7.0.59]
       at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) [catalina.jar:7.0.59]
       at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) [catalina.jar:7.0.59]
       at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) [catalina.jar:7.0.59]
       at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421) [catalina.jar:7.0.59]
       at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1074) [tomcat-coyote.jar:7.0.59]
       at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611) [tomcat-coyote.jar:7.0.59]
       at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314) [tomcat-coyote.jar:7.0.59]
       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_75]
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_75]
       at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-coyote.jar:7.0.59]
       at java.lang.Thread.run(Thread.java:745) [na:1.7.0_75]
13:28:41.270 [http-bio-8443-exec-10] DEBUG e.i.m.s.idp.util.HttpServletHelper - LoginContext key cookie was not present in request
13:28:41.270 [http-bio-8443-exec-10] DEBUG e.i.m.s.idp.ui.ServiceContactTag - No relying party, nothing to display



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