If the classpath is set correctly but you're still seeing the error, then the desired class is not present on the classpath.

如果类路径设置正确，但是仍然看到这个错误，那么就是需要的类在类路径中不存在。

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An editor will open in the Eclipse workbench containing the highlighted error from the appropriate class.

Eclipse工作台将打开一个编辑器，该编辑器包含并显示出了与正确类对比的错误。

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You can use add(String property, ActionError error) of the ActionErrors class to associate a form property with error(s).

可以使用ActionErrors 类的 add(String property, ActionError error) 方法为一个表单属性关联一些错误。

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They happen often on the multi-million dollar scale, rather than the billion dollar scale of the flash crash, but they are the same class of event: The error trade.

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The American system of trial and error produces doers: Black Swan-hunting, dream-chasing entrepreneurs, with a tolerance for a certain class of risk-taking and for making plenty of small errors on the road to success or knowledge.

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