i know the <c:catch> can catch the exception on
jsp,but the error message which i got from it looked
like below:
javax.servlet.jsp.el.ELException: An error occurred
while getting property "deivces" from an instance of
class com.service.transfer.client.DeviceHelper
in fact this error was generated by an IOException in
the deep layer,and i have written my own exception
class to describe the detail error reason,such as:
catch (IOException e) {
throw new DaoException("server down");}
so i want to know in my jsp files can i use jstl to
catch the DaoException and show the "server down"
message on the page.yet the <c:catch> can only catch
the exception,it didn't know what the exactly
exception it is.
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