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单选题
Assume the custom tag my：errorProne always throws a java.lang.RuntimeException with the message "Filenot found." An error page has been configured for this JSP page. Which option prevents the exceptionthrown by my：errorProne from invoking the error page mechanism， and outputs the message "File notfound" in the response？（）
A
<c：try catch=ex><my：errorProne /></c：try>${ex.message}
B
<c：catch var=ex><my：errorProne /></c：catch>${ex.message}
C
<c：try>. <my：errorProne />. </c：try>. <c：catch var=ex />. ${ex.message}
D
<c：try>. <my：errorProne />. <c：catch var=ex />. ${ex.message}. </c：try>
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更多 “单选题Assume the custom tag my：errorProne always throws a java.lang.RuntimeException with the message "Filenot found." An error page has been configured for this JSP page. Which option prevents the exceptionthrown by my：errorProne from invoking the error page mechanism， and outputs the message "File notfound" in the response？（）A c：try catch=exmy：errorProne //c：try${ex.message}B c：catch var=exmy：errorProne //c：catch${ex.message}C c：try. my：errorProne /. /c：try. c：catch var=ex /. ${ex.message}D c：try. my：errorProne /. c：catch var=ex /. ${ex.message}. /c：try” 相关考题
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