NoClassDefFoundError: org/w3c/dom/ElementTraversal
It looks like ElementTraversal is part of xml-apis-2.10.0.jar which should have been provided with your Shibboleth installation. So if you were following these instructions you should also have followed this step: Endorse Xerces and Xalan by creating the directory JETTY_HOME/lib/endorsed/ and copy the .jar files included in the IdP source endorsed/ directory into the newly … Read more