Apache Errors before Install

[Beta2k]

hi!
i am trying to install cacti. i copied the extracted cacti into apache/htdocs. i also created the db+cacti.sql. when i try to access it via: http://servername/cacti/install i get following error:

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Notice: Undefined index: user in /usr/local/groundwork/apache2/htdocs/cacti/lib/auth.php on line 34

i still can make the install-wizard but when i try to finish i get a bunch of error messages like:

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Warning: Cannot modify header information - headers already sent by (output started at /usr/local/groundwork/apache2/htdocs/cacti/lib/auth.php:34) in /usr/local/groundwork/apache2/htdocs/cacti/include/auth.php on line 29

so there obviously is something wrong
any suggestions?

EDIT:
apaches error log is saying:

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[Mon Oct 20 13:07:57 2008] [error] [client 217.29.146.13] PHP Notice:  Undefined index:  user in /usr/local/groundwork/apache2/htdocs/cacti/lib/auth.php on line 34
[Mon Oct 20 13:07:57 2008] [error] [client 217.29.146.13] PHP Warning:  Cannot modify header information - headers already sent by (output started at /usr/local/groundwork/apache2/htdocs/cacti/lib/auth.php:34) in /usr/local/groundwork/apache2/htdocs/cacti/include/auth.php on line 29

[Christian]

Hi,

I just did a fresh install of 0.8.7b and got the following errors, too:

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Notice: Undefined index: user in /var/www/cacti-0.8.7bo/lib/auth.php on line 34

Warning: Cannot modify header information - headers already sent by (output started at /var/www/cacti-0.8.7bo/lib/auth.php:34) in /var/www/cacti-0.8.7bo/include/auth.php on line 29

[mcbeath]

I have the same problem.

If one of us , can intall this version of cacti please report in this treath

Excuse my bad English

[Beta2k]

i turned this on in my php.ini:

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output_buffering = On

it seems to work for now... at least i could install it. i dont get the error messages.
but at the top of each page i still get:

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Notice: Undefined index: user in /usr/local/groundwork/apache2/htdocs/cacti/lib/auth.php on line 34

any solution?

[Christian]

How about you post the version of php, apache, mysql and so on you are using? I'm suspecting some kind of compatibility issue with the version or configuration we're using.
I also have problems running version 0.8.7a: As soon as I install the plugin archtitecture cacti stops working, all paths get messed up.
Yes, I used the correct version of the plugin architecture (1.4) for Cacti version 0.8.7a.
Great to hear by the way that I'm not the only one with this problem.

[Beta2k]

oh that would have been smart from me
the odd thing is, that i ran (the same version of) cacti already on exact this machine! i just restored an image before cacti was installed and wanted to retry it.. i have no idea what has changed, because i get this error now..

apache: Server version: Apache/2.2.9 (Unix)
mysql: mysql Ver 14.12 Distrib 5.0.51a, for pc-linux-gnu (i686) using readline 5.0
PHP: PHP 5.2.5 with Suhosin-Patch 0.9.6.2 (cli) (built: Apr 23 2008 23:35:28)

[Christian]

Setting

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output_buffering = On

helps a bit, but I don't think that this is the way to go.
PIA destroying my installation was my fault, by the way. Just forgot to adjust $config['url_path']

Our versions don't seem to match at all. I could try restarting the machine to reset all services. I don't have any other ideas at the moment.

[Beta2k]

yeah i also thought that this is not the way to go. sadly
as i already said: i already installed this very version of cacti on this very machine ... and i changed nothing. just restored a backup before i initially installed cacti. this is what annoys me, because theoretically nothing changed (because i used the image..)


what do you mean with that?

PIA destroying my installation was my fault, by the way. Just forgot to adjust $config['url_path']

[Christian]

what do you mean with that?

PIA destroying my installation was my fault, by the way. Just forgot to adjust $config['url_path']

When installing the plugin architecture you've to configure something in global.php. I forgot it

[joviber]

Hi,

I think is a bug of the new version 0.8.7b.

I also get the same answer when I try to acces to cacti for the first time.

Error:

Undefined index: user in /usr/share/cacti/lib/auth.php on line 34

-> $user = $_REQUEST['user'];

That is different from previus version, the are trying to get the user from a GET, POST or cookie.

The code should be something like this:

if(isset( $_REQUEST['user'])) {
$user = $_REQUEST['user'];

Just for trying, changing anything, check this:

http://localhost/cacti/index.php?user=admin

What do you think?

[Beta2k]

Just for trying, changing anything, check this:

http://localhost/cacti/index.php?user=admin

What do you think?

seems like you are right!
how can i change it, so that it works everytime?

[joviber]

I have installed version 0.8.7a with its secure fixes, for me is ok.

In the future I will try with version c.

[Christian]

Filling the $user variable with actually something useful is nice, but it's not really necessary.
I'd rather know why we have to turn on ouput buffering in php.ini. Sounds like a messed up code to me if it only runs with this option turned on.

[Mikf]

the version www.cacti.net is not the same that the version from sourceforge.net
on sourceforge.net there is not the "Notice: Undefined index:" problem