An internal error occurred during: "Requesting JavaScript AST from selection

用 Eclipse Helios 編寫Javascript函數中出現 return 時。

錯誤提示：

An internal error occurred during: "Requesting JavaScript AST from selection".

java.lang.NullPointerException.

解決方法：

修改 Mark Occurrences。快捷方式：Alt+Shift+O。

(Window-->Preferences->Javascript-->Editor-->Mark Occurrences)