Eclipse Error - An internal error occurred during: "Requesting JavaScript AST（转）

Eclipse Error - An internal error occurred during: "Requesting JavaScript AST from selection"解决方案

用 Eclipse Helios或者Eclipse indigo 编写Javascript函数中出现 return 时。

错误提示：

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

java.lang.NullPointerException.

解决方法：

修改 Mark Occurrences。快捷键：Alt+Shift+O。

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