Administrative Console for Content Engine (ACCE) fails to load with the following error "SyntaxError: illegal character ?"

Problem

In an environment with IBM HTTP Server with file compression enabled, when trying to open ACCE from a browser, the following error appears in a pop-up window: "The AccePlugin plug-in contains errors. An error occurred when evaluating the JavaScript for the AccePlugin plug-in. If you continue to use the web client, you might encounter additional errors. Contact your system administrator. There is a problem with the plug-in that needs to be resolved by the plug-in provider. It is recommended that you remove the plug-in from your web client configuration until the problem with the plug-in is resolved. CIWEB2039 " and the following is found in the client side logging. "GET http:///acce/ecm/Logger.js 200 OK 166ms dojo.js (line 295) SyntaxError: illegal character ? dojo.js (line 315) Error on domReady callback: TypeError: ecm.messages is undefined dojo.js (line 356) Error: timeout return mix(new Error(error), {src:"dojoLoader", info:info});" Clicking the close button shows a blank page.