UTF-8 characters in UI Page may not render correctly when accessing a UI Page standalone (not in frameset) with UIPageProcessor - Known Error

UTF-8 characters in UI Page may not render correctly when accessing a UI Page standalone (not in frameset) with UIPageProcessor Description Japanese characters among Jelly part become garbled if redirect without using nav_to.do.

Steps to Reproduce

1. Go to System UI > UI Pages

2. Import the attached sys_ui_page record named aaa with a trivial example

3. Access the page using UIPageProcessor in the frameset: /nav_to.do?uri=ui_page_process?name=aaa

Note that the characters render correctly, e.g.: '◆ＪＯＢの登録' and '■実行結果.

4. Access the page directly, not in the frameset: /ui_page_process?name=aaa

Notice the Japanese characters do not render properly, e.g.: â—†ï¼ªï¼¯ï¼¢ã®ç™»éŒ² and â– å®Ÿè¡Œçµæžœ.

Workaround Add the following to the UI Page: