Exception:
java.lang.IndexOutOfBoundsException (at com.sun.identity.saml2.profile.SPSSOFederate.createAuthnRequest(SPSSOFederate.java:726))Exception: com.sun.identity.saml2.common.SAML2
Exception:
Could not find Single Sign-on Service URL. (at at com.sun.identity.saml2.profile.SPSSOFederate.initiateAuthnRequest(SPSSOFederate.java:264))
Reason:
Unsupported configuration in sp.xml concerning AssertionConsumerService.
Solution:
One of the <AssertionConsumerService> elements must have the isDefault="true" attribute and it must be the one with index="0".