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From Kris Schneider <k...@dotech.com>
Subject Re: how to catch my own exception in jstl
Date Fri, 20 Aug 2004 11:13:48 GMT
<c:catch var="exc">
  ...
</c:catch>
<c:if test="${exc != null}">
  <c:out value="${exc.message}"/>
</c:if>

Quoting Gao Di <jaoyina@yahoo.com.cn>:

> 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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-- 
Kris Schneider <mailto:kris@dotech.com>
D.O.Tech       <http://www.dotech.com/>

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