Posted by Ken on 03/15/05 14:57

"Cannot modify header information - headers already sent ...."
output buffering is off on tomcat? check the php.ini

or did some error message happen before this - which will cause this
error since the error was sent to the browser before your headers. In
which case fix it by turning off php.ini error reporting
(display_errors: off)

cheers


On Tue, 15 Mar 2005 15:45:13 +0300, Burhan Khalid <phplist@meidomus.com> wrote:
> david joffrin wrote:
> > Hi,
> >
> > I have the same piece of PHP script running on either Apache2 or Tomcat.
> > On Tomcat, I have the folllowing errors:
> > 1- Cannot modify header information - headers already sent ....
> > OR 2- Undefined index: error in ...
> >
> > For one, I think this is because I am using the header PHP function.
> > For two, I think this is because there is from time to time a http
> > request parameter ("error") which not always defined.
>
> Check your error reporting levels. I bet they differ (check in php.ini
> and any error_reporting() functions)
>
> By the way, I'm curious -- how did you get PHP to work on Tomcat?
>
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