I am trying to migrate a perl script that acts as a webserver from solaris to linux (red hat). The script is run using apache (httpd) and mod_perl.
It nearly does what it is supposed to, exept for the error pages.
When an error occurs and the script can not fulfill the request, it sends a small error page to the user, containing two p elements, together with status 500.
This used to work OK, but on the new machine, apache decides to add extra text to the page. The receiving application sees a page that does not conform to the specification and thinks it is not an error page. This results in various problems.
I have not the slightest idea in what direction I have to search. Is it an apache configuration issue or maybe a perl library issue? I really don't know.
Can you guys give me some clue?
This is the perl code that makes the error page:
print $cgi->header ( -status => '500 NOT OK',
-type => 'text/html');
print $cgi->start_html ('agent');
print $cgi->p ('ERROR');
print $cgi->p ('error during database lookup');
print $cgi->end_html ();
And this is what I receive in my browser:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-US">
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<p>error during database lookup</p>
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<p>The server encountered an internal error or misconfiguration and was unable to complete your request.</p>
<p>Please contact the server administrator, webmaster@xxxxxx and inform them of the time the error occurred, and anything you might have done that may have caused the error.</p> <p>More information about this error may be available in the server error log.</p>
thanks in advance, Ruud
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