Description
Step 4 of the Ambari installer has a broken link.
When "Choosing Services", the link for the "ExtJS" library license under the "Oozie" service has moved from http://www.sencha.com/products/extjs/license/
It should be updated to the URL below since it covers that Ext JS is available under GPL v3 license:
http://www.sencha.com/legal/open-source-faq/