Additional plugins are required issue in Firefox with Forms 11g
At the time of writing this post, Oracle Forms 11g installations are configured by default to work with a specific JPI (Java Plug-In) version: 1.6.0_12. You can verify this by checking your formsweb.cfg file: grep jpi-version formsweb.cfg #jpi_mimetype=application/x-java-applet;jpi-version=1.6.0_12 Unfortunately, it seems Firefox is very particular when it comes to JPI versions, and it will only run with the