Cannot add exception site list in java 8

When you update java 8 (jre8).
To login Oracle EBS R12 form with JRE 8, you need add exception site list in java control panel.

But when you open java control panel, You can not add exception site list because add button be disabled.

To resolve this issue, you simple delete folder “Sun” in %appdata%

Start -> Run -> %appdata%
(C:\Users\\AppData\Roaming).

Delete folder Sun

Re-open java in control panel to add site to exception site list.
Done.