public final class UnknownUserException extends UserException
Any对象中包含的UnknownUserException对象中。 
       这可以从方法Request.env返回的Environment对象Request.env 。 
      | Constructor and Description | 
|---|
| UnknownUserException()
              构造一个 
              UnknownUserException对象。 | 
| UnknownUserException(Any a)
              构造一个 
              UnknownUserException对象包含给定Any对象。 | 
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString Submit a bug or feature 
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