Unable to add a content field when editing a Wiki Creole page or adding a child page

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.0.0 DXP FP22, 7.0.0 DXP SP4, 7.0.X EE, 7.0.4 CE GA5, 7.1.X, Master
• Component/s: Wiki, ~ [Archived] Collaboration, ~ [Archived] Frontend Infrastructure
• Labels:
  • QA-AUTOMATION
  • front-end
  • liferay-digital-enterprise-70-sp4
  • liferay-fixpack-de-22-7010
• Branch Version/s:
  7.0.x
• Backported to Branch:
  Committed
• Fix Priority: 5
• Sprint: Collab 7
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/49746

Steps to reproduce:

1. Go to Site > Content > Wiki
2. Add a Wiki page
3. Edit Wiki page

Expected result: Content is enabled and user can edit content
Actual result: Content is missing, no way for user to edit wiki content

Note, this only affects Creole format.

Firefox error

TypeError: creoleDataProcessor is null
http://localhost:8080/o/frontend-editor-ckeditor-web/ckeditor/plugins/creole/plugin.js?t=GB1M
Line 20

Chrome errors

plugin.js?t=GB1M:20 Uncaught TypeError: Cannot read property 'init' of null
    at http://localhost:8080/o/frontend-editor-ckeditor-web/ckeditor/plugins/creole/plugin.js?t=GB1M:20:26
    at <anonymous>:20:8
    at args.(anonymous function) (http://localhost:8080/o/frontend-js-web/liferay/aui_sandbox.js?browserId=other&minifierType=&languageId=en_US&b=7003&t=1497459968347:20:23)

;(function() {
	CKEDITOR.plugins.add(
	'creole',
		{
			init: function(editor) {
				var instance = this;

				var path = instance.path;

				var dependencies = [
					CKEDITOR.getUrl(path + 'creole_data_processor.js'),
					CKEDITOR.getUrl(path + 'creole_parser.js')
				];

				CKEDITOR.scriptLoader.loadScripts(
					dependencies,
					function() {
						var creoleDataProcessor = CKEDITOR.plugins.get('creole_data_processor');

						creoleDataProcessor.init(editor);
					}
				);
			}
		}
	);
})();

;(function() {
	var ALLOY = YUI();

	if (ALLOY.html5shiv) {
		ALLOY.html5shiv();
	}

	var originalUse = ALLOY.use;

	ALLOY.use = function() {
		var args = Array.prototype.slice.call(arguments, 0);

		var currentURL = Liferay.currentURL;

		var originalCallback = args[args.length - 1];

		if (typeof originalCallback === 'function') {
			args[args.length - 1] = function() {
				if (Liferay.currentURL === currentURL) {
					originalCallback.apply(this, arguments);
				}
			};
		}

		return originalUse.apply(this, args);
	};

	window.AUI = function() {
		return ALLOY;
	};

	ALLOY.mix(AUI, YUI);

	AUI.$ = window.jQuery;
	AUI._ = window._;
})();

Reproduced on:
Tomcat 8.0.32 + MySQL 5.6
Portal master GIT ID: 34a998720a8ec70d205197ffa563476cafbe776d