試題詳解

117 Given the fragment from Java EE deployment descriptor:
341. ＜error-page＞
342. ＜exception-type＞java.lang.Throwable＜/exception-type＞
343. ＜location＞/mainError.jsp＜/location＞
344. ＜/error-page＞
345. ＜error-page＞
346. ＜exception-type＞java.lang.ClassCastException＜/exception-type＞
347. ＜location＞/castError.jsp＜/location＞
348. ＜/error-page＞
If the web application associated with the fragment above throws a ClassCastException. Which statement is true?
(A) The deployment descriptor is invalid.
(B) The container invokes mainError.jsp
(C) The container invokes castError.jsp
(D) Neither mainError.jsp nor castError.jsp is invoked.