correct,but it seems the <c:catch> can't find the original exception.that's what i want to know.
--- Helios Alonso <[EMAIL PROTECTED]> 的正文: > So an IOException is trapped and converted by your > logic to a DAOException > (the one you want to display) and throwed. The jsp > catchs this and throws > it's own exception.... hmmm... > > Is it correct? > > If it's correct, the place to look is if exceptions > that jsp throws have a > "nestedException" or "causedBy" property... > > At 22:22 20/08/2004 +0800, you wrote: > >it seems u don't know what i mean,i know the useage > u > >wrote,but it only displays the el exception > message. > > > > --- Kris Schneider <[EMAIL PROTECTED]> 的正文: > > > <c:catch var="exc"> > > > ... > > > </c:catch> > > > <c:if test="${exc != null}"> > > > <c:out value="${exc.message}"/> > > > </c:if> > > > > > > Quoting Gao Di <[EMAIL PROTECTED]>: > > > > > > > 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. > > > > > > > > > > > > >_________________________________________________________ > > > > Do You Yahoo!? > > > > 150万曲MP3疯狂搜,带您闯入音乐殿堂 > > > > http://music.yisou.com/ > > > > 美女明星应有尽有,搜遍美图、艳图和酷图 > > > > http://image.yisou.com > > > > 1G就是1000兆,雅虎电邮自助扩容! > > > > > > > > >http://cn.rd.yahoo.com/mail_cn/tag/1g/*http://cn.mail.yahoo.com/event/mail_1g/ > > > > > > -- > > > Kris Schneider <mailto:[EMAIL PROTECTED]> > > > D.O.Tech <http://www.dotech.com/> > > > > > > > >--------------------------------------------------------------------- > > > To unsubscribe, e-mail: > > > [EMAIL PROTECTED] > > > For additional commands, e-mail: > > > [EMAIL PROTECTED] > > > > > > > > > >_________________________________________________________ > >Do You Yahoo!? > >150万曲MP3疯狂搜,带您闯入音乐殿堂 > >http://music.yisou.com/ > >美女明星应有尽有,搜遍美图、艳图和酷图 > >http://image.yisou.com > >1G就是1000兆,雅虎电邮自助扩容! > >http://cn.rd.yahoo.com/mail_cn/tag/1g/*http://cn.mail.yahoo.com/event/mail_1g/ > > > >--------------------------------------------------------------------- > >To unsubscribe, e-mail: > [EMAIL PROTECTED] > >For additional commands, e-mail: > [EMAIL PROTECTED] > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: > [EMAIL PROTECTED] > For additional commands, e-mail: > [EMAIL PROTECTED] > > _________________________________________________________ Do You Yahoo!? 150万曲MP3疯狂搜,带您闯入音乐殿堂 http://music.yisou.com/ 美女明星应有尽有,搜遍美图、艳图和酷图 http://image.yisou.com 1G就是1000兆,雅虎电邮自助扩容! http://cn.rd.yahoo.com/mail_cn/tag/1g/*http://cn.mail.yahoo.com/event/mail_1g/ --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]