For Windows:Wowza Media Systems\Wowza Streaming Engine 4.8.8\manager\temp\webapps\enginemanager\WEB-INF\classes\org\apache\jsp\tag\web\wmsform
For Linux: WowzaStreamingEngine/manager/temp/WEB-INF/classes/org/apache/jsp/tag/web/wmsform
restart wowza again
(0 time(s) working and 0 time(s) not-working in total)