On 27/05/2010 15:54, laredotornado wrote:
>
> Perhaps I'm in the denial phase of my grief here, but the only way to
> redirect to a 500 page when an error occurs in JSP processing is to increase
> the page buffer size? What if the response is already committed?
Once the page is committed, it is gave over for the error page
mechanism. Tomcat can't ask the browser for the committed bytes back.
Mark
>
> - Dave
>
>
>
> Kris Schneider-2 wrote:
>>
>> Dave - looks like I just posted something for you to try in your
>> JavaRanch forum thread...
>>
>> Basically, it looks like having a committed response (you've said that
>> your original JSP was partially rendered) can interfere with the error
>> page mechanism. For testing purposes, try increasing the page buffer
>> to see what happens. You may want to consider changing your approach
>> to incorporate filters/servlets for some of your processing...
>>
>> On Wed, May 26, 2010 at 1:26 PM, laredotornado <laredotorn...@gmail.com>
>> wrote:
>>>
>>> I tried your suggestion, and sadly it didn't work.
>>>
>>> What is the difference between what the errorPage directive does and what
>>> the web.xml error-page clause does? - Dave
>>>
>>>
>>>
>>> dcherk wrote:
>>>>
>>>> Dave:
>>>>
>>>> I believe you need a fully-qualified class name for the exception, eg:
>>>> <error-page>
>>>> <exception-type>java.lang.Exception</exception-type>
>>>> <location>/error-pages/500.jsp</location>
>>>> </error-page>
>>>>
>>>> Good luck,
>>>> --
>>>> Dave Cherkassky
>>>> VP of Software Development
>>>> DJiNN Software Inc.
>>>>
>>>>
>>>>
>>>> On 26/05/2010 10:34 AM, laredotornado wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> I'm running Tomcat 6.0.26 on Mac 10.6.3. I have this in my
>>>>> WEB-INF/web.xml
>>>>> file ...
>>>>>
>>>>> <error-page>
>>>>> <exception-type>Exception</exception-type>
>>>>> <location>/error-pages/500.jsp</location>
>>>>> </error-page>
>>>>>
>>>>> but when I create a JSP page with
>>>>>
>>>>> <%= Integer.parseInt("aaa") %>, halfway down the page, I don't get
>>>>> redirected to my error page. I just get an incomplete rendered page.
>>>>> But
>>>>> when I add this directive to the top ..
>>>>>
>>>>> <%@ page errorPage="/error-pages/500.jsp" %>
>>>>>
>>>>> then I can see the error page rendered after the normal content is
>>>>> rendered.
>>>>> I have included the localhost stack trace in hopes that someone can
>>>>> tell
>>>>> me
>>>>> where Tomcat is supposed to be catching the exception, acting
>>>>> appropriately,
>>>>> and why it is not.
>>>>>
>>>>> Thanks, - Dave
>>>>>
>>>>>
>>>>>
>>>>> =========Stack trace =======================
>>>>> May 26, 2010 9:28:04 AM org.apache.catalina.core.StandardWrapperValve
>>>>> invoke
>>>>> SEVERE: Servlet.service() for servlet MusicVenueServlet threw exception
>>>>> java.lang.NumberFormatException: For input string: "aaa"
>>>>> at
>>>>> java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
>>>>> at java.lang.Integer.parseInt(Integer.java:449)
>>>>> at java.lang.Integer.parseInt(Integer.java:499)
>>>>> at
>>>>> org.apache.jsp.WEB_002dINF.views.play.music.venues.index_jsp._jspService(index_jsp.java:750)
>>>>> at
>>>>> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>>>>> at
>>>>> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
>>>>> at
>>>>> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
>>>>> at
>>>>> org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>>>>> at
>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>>>>> at
>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>>>>> at
>>>>> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
>>>>> at
>>>>> org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
>>>>> at
>>>>> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
>>>>> at
>>>>> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
>>>>> at
>>>>> com.myco.servlet.generic.GenericHttpServlet.callView(GenericHttpServlet.java:570)
>>>>> at
>>>>> com.myco.servlet.music.MusicVenueServlet.index(MusicVenueServlet.java:175)
>>>>> at sun.reflect.GeneratedMethodAccessor150.invoke(Unknown Source)
>>>>> at
>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>>> at java.lang.reflect.Method.invoke(Method.java:597)
>>>>> at
>>>>> com.myco.servlet.generic.GenericHttpServlet.doGet(GenericHttpServlet.java:549)
>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>>>>> at
>>>>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>>>>> at
>>>>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>>>>> at
>>>>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>>>>> at
>>>>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>>>>> at
>>>>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
>>>>> at
>>>>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
>>>>> at
>>>>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>>>>> at
>>>>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
>>>>> at
>>>>> org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
>>>>> at
>>>>> org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291)
>>>>> at
>>>>> org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:769)
>>>>> at
>>>>> org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:698)
>>>>> at
>>>>> org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:891)
>>>>> at
>>>>> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
>>>>> at java.lang.Thread.run(Thread.java:637)
>>>>>
>>>>
>>>>
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>>>>
>>>>
>>>
>>> --
>>> View this message in context:
>>> http://old.nabble.com/Why-does-errorPage-work-but-WEB-INF-web.xml-error-page-does-not--tp28681659p28683804.html
>>> Sent from the Tomcat - User mailing list archive at Nabble.com.
>>
>> --
>> Kris Schneider
>>
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