AW: [opencms-dev] How do you customize error page
Michael Moossen
m.moossen at alkacon.com
Tue Feb 15 09:40:41 CET 2005
Hi, tim
in OpenCms you will find 2 different types of error dialogs:
1. an error triggered explicitly by the java code (mainly used in the
backend), ie. After catching an exception, will shows the page at
following location: CmsWorkplace.C_FILE_DIALOG_SCREEN_ERROR, ie.
/system/workplace/commons/includes/error.jsp
2. if an exception occurs while displaying a resource, an error dialog
is dynamically generated by the core, it will be very similar to the
page showed in the previous case, but it is generated based on some
scriplets stored in the htmlmsg.properties file in the org.opencms.main
package, look for the C_ERROR_DIALOG_START and the C_ERROR_DIALOG_END
properties. See also the OpenCmsCore.errorHandling(...) method.
Good luck.
Regards,
Michael Moossen
Alkacon Software - The OpenCms Experts
http://www.alkacon.com
-----Ursprüngliche Nachricht-----
Von: opencms-dev-bounces at opencms.org
[mailto:opencms-dev-bounces at opencms.org] Im Auftrag von Tim Van Der
Hulst
Gesendet: Dienstag, 15. Februar 2005 05:03
An: The OpenCms mailing list
Betreff: RE: [opencms-dev] How do you customize error page
Hi Alex,
Thanks for your suggestion re: 500 error handler.
I'm using tomcat 4.1 and nothing is working..
Perhaps I have understood incorrectly?
I've tried this..
<error-page>
<error-code>500</error-code>
<location>/opencms/error.html</location>
</error-page>
and this (including several types of exceptions)
<error-page>
<exception-type>java.lang.Exception</exception-type>
<location>/opencms/error.html</location>
</error-page>
and nothing works :(
Tomcat loads up without errors (and works fine for 404 errors, etc) but
I still get the opencms error page on exceptions :(
I could just double check I have try/catch's around every piece of java
code i've written but I really want to customize this as a last resort.
Anyone else figured this out??
Thanks
TiM
-----Original Message-----
From: Alexander Kandzior [mailto:alex at opencms.org]
Sent: Friday, 11 February 2005 11:16 p.m.
To: 'The OpenCms mailing list'
Subject: RE: [opencms-dev] How do you customize error page
Forgive me if I am stating the obvious, but on you your JSP you need to
write some code like this:
CmsJspAction Element cmsJsp; // need to be initialzed
CmsObejct cms = cmsJsp.getCmsObject();
boolean success;
try {
cms.addWebuser(...);
success = true;
} catch (Excaption e) {
success = false;
}
if (success) {
// display some success message
} else {
// display some failure message
}
To customize the OpenCms core error pages themself is IIRC not possible
in OpenCms 5 without hacking the core. What you can do is add a 500
(internal server error) handler using standard Java Webapp means, which
should then be invoked in case of any error in OpenCms.
Best Regards,
Alex.
Alexander Kandzior
Alkacon Software - The OpenCms Experts
http://www.alkacon.com
> -----Original Message-----
> From: opencms-dev-bounces at opencms.org
> [mailto:opencms-dev-bounces at opencms.org] On Behalf Of James
> Sent: Friday, February 11, 2005 11:04 AM
> To: 'The OpenCms mailing list'
> Subject: RE: [opencms-dev] How do you customize error page
>
> This is exactly what I want to know.
>
> How do you customize the cmsExceptions that are thrown?
>
> Say when you try to addWebUser and the user already exists,
> how do I customize the error message that is thrown or
> capture the error and send back a certain value to the JSP
> page that has caused it?????
>
> Please.... .... somebody... .... anybody........
>
>
>
> -----Original Message-----
> From: opencms-dev-bounces at opencms.org
> [mailto:opencms-dev-bounces at opencms.org] On Behalf Of Tim Van Der
> Hulst
> Sent: 10 February 2005 23:06
> To: The OpenCms mailing list
> Subject: RE: [opencms-dev] How do you customize error page
>
> This covers the webserver errors (eg 404,500,etc). Not
> opencms errors...
>
> -----Original Message-----
> From: Daniel Rhoden [mailto:drhoden at iiwinc.com]
> Sent: Friday, 11 February 2005 11:58 a.m.
> To: The OpenCms mailing list
> Subject: Re: [opencms-dev] How do you customize error page
>
>
> The web.xml file has an entry for the 404 error mapping. I
> do not know for sure, but I suspect that you would enter the
> location of the page
> (VFS) hosted by openCMS.
>
> --Daniel
>
> Tim Van Der Hulst wrote:
>
> >Forgive my noobness but please can someone help me out here!!!
> >
> >HOW DO YOU CUSTOMIZE THE OPENCMS ERROR PAGE?
> >
> >I've looked around where I thought it might live, (eg
> /system/workplace/templates/, etc) but I can't find it. Am I
> stupid? or what??
> >
> >Thankyou,
> >
> >TiM
> >
> >
> >-----Original Message-----
> >From: Tim Van Der Hulst
> >Sent: Friday, 4 February 2005 3:37 p.m.
> >To: The OpenCms mailing list
> >Subject: [opencms-dev] How do you customize error page
> >
> >
> >Can someone enlighten me.
> >I have not seen answer to this question.
> >I'm using version 5
> >
> >Thankyou,
> >
> >TiM
> >
> >##
> >##
> >
> >
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