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Make Apache display error message
- Thread starter KevinAr18
- Start date
danielhozac
Programmer
You could use the ErrorDocument directive and make it point to a page that uses some server-side technology. For example, this should work if you have PERL installed on your server.
In .htaccess (or httpd.conf):
ErrorDocument 500 /script.pl
In script.pl:
#!/path/to/perl
my $error = 'tail -1 /path/to/error_log';
print "Content-type: text/html\n\n";
print <<_PAGE_;
<html>
<head>
<title>Error 500 - Internal Server error</title>
</head>
<body>
This is the error:<br>
$error
</body>
</html>
_PAGE_; //Daniel
In .htaccess (or httpd.conf):
ErrorDocument 500 /script.pl
In script.pl:
#!/path/to/perl
my $error = 'tail -1 /path/to/error_log';
print "Content-type: text/html\n\n";
print <<_PAGE_;
<html>
<head>
<title>Error 500 - Internal Server error</title>
</head>
<body>
This is the error:<br>
$error
</body>
</html>
_PAGE_; //Daniel
- Thread starter
- #3
- Thread starter
- #4
- Thread starter
- #5
Says there's an error in your script:
[Wed Jul 31 17:32:40 2002] [error] [client 127.0.0.1] Premature end of script headers: c:/sierra/op2map/cgi-bin/error.cgi
[Wed Jul 31 17:32:40 2002] [error] [client 127.0.0.1] Can't find string terminator "_PAGE_" anywhere before EOF at c:\sierra\op2map\cgi-bin\error.cgi line 5.
[Wed Jul 31 17:32:40 2002] [error] [client 127.0.0.1] Premature end of script headers: c:/sierra/op2map/cgi-bin/error.cgi
[Wed Jul 31 17:32:40 2002] [error] [client 127.0.0.1] Can't find string terminator "_PAGE_" anywhere before EOF at c:\sierra\op2map\cgi-bin\error.cgi line 5.
danielhozac
Programmer
I have some typos in the script.. And since you're on a windows box, the tail won't work. Here is a modified version:
#!/path/to/perl
open(LOG, "</path/to/error_log"
;
my @errors;
while (<LOG>)
{
push(@errors, $_);
}
print "Content-type: text/html\n\n";
print <<_PAGE_;
<html>
<head>
<title>Error 500 - Internal Server error</title>
</head>
<body>
This is the error:<br>
$errors[$#errors]
</body>
</html>
_PAGE_
It has been a while since I worked with PERL, so I am a bit uncertain about some parts of it. //Daniel
#!/path/to/perl
open(LOG, "</path/to/error_log"
;my @errors;
while (<LOG>)
{
push(@errors, $_);
}
print "Content-type: text/html\n\n";
print <<_PAGE_;
<html>
<head>
<title>Error 500 - Internal Server error</title>
</head>
<body>
This is the error:<br>
$errors[$#errors]
</body>
</html>
_PAGE_
It has been a while since I worked with PERL, so I am a bit uncertain about some parts of it. //Daniel
- Thread starter
- #7
This it odd. Now it gives a "The page cannot be displayed" message. You know the default one that is used by your browser.
It only occurs when a script encounters errors. The error log reports the following error when doing the above mentioned thing:
31 21:01:18 2002] [error] [client 127.0.0.1] Premature end of script headers: c:/sierra/op2map/cgi-bin/mapeditor/upload.cgi
[Wed Jul 31 21:01:18 2002] [error] [client 127.0.0.1] Could not open file C:\Old System\Sierra\New Folder\Outpost 2 CD.zip\mp6_01.map: No such file or directory
As a bit of information the script is trying to open that file but it's not there.
It only occurs when a script encounters errors. The error log reports the following error when doing the above mentioned thing:
31 21:01:18 2002] [error] [client 127.0.0.1] Premature end of script headers: c:/sierra/op2map/cgi-bin/mapeditor/upload.cgi
[Wed Jul 31 21:01:18 2002] [error] [client 127.0.0.1] Could not open file C:\Old System\Sierra\New Folder\Outpost 2 CD.zip\mp6_01.map: No such file or directory
As a bit of information the script is trying to open that file but it's not there.
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