Chrome sets graphs tree navigation view to width 0px

[xavloose]

Describe the bug
The graphs tab graph view tree navigation is a width of 0px on Chrome (74.0.3729.108). On the actually screen it appears as a thing gray line but utilizing chrome dev tools inspector I was able to set the width of the navigation pane and it appeared as expected.

To Reproduce
Steps to reproduce the behavior:

1. Go to 'Graphs'
2. The navigation pane is a thin gray line.

Expected behavior
See the typical Graph Tab Tree View navigation.

Desktop (please complete the following information):

• OS: Linux, Windows
• Browser: Chrome
• Version: 74.0.3729.108

Additional context
Digging through the php-fpm, apache, cacti (cacti.log, cacti_stderr.log and the log utilized by the cacti service for the web interface), and mariadb logs did not show any errors.

I verified the Configuration>Users>[User]>User Settings>Minimum/Maximum Tree Width were set to non zero values (170 and 300 respectively).

This may be related but doesn't represent an issue that affects our use case, changing the theme setting did not have an affect on the appearance of the webpage. I'm curious if something is not applying correctly with the user settings and therefore it defaults to 0 width.

The issue appeared to happen on FireFox occasionally and Internet Explorer but we don't typically use those.

[netniV]

If you enable the developer tools, then do a control-refresh does it work as expected? Do you see any errors in the browser console?

[xavloose]

It does not work as expected. There are no errors on the console. I checked the network tab to see if any requests failed and everything appeared to be working there.

[nicolapiazzi]

I tested and this happen in all browsers (Firefox, Chrome, IE, Edge) so i dont think that is a browser dependant problem
I made a fresh install on centos8 and i have the roblem
I reverted snap to OS and made same steps using 1.2.7 and works normally
I think this is 1.2.8 related problem

[xavloose]

Our install is also on CentOS 8. I have SELinux set to permissive. All the versions met requirements but I can get a detailed list if that would be useful.

[nicolapiazzi]

My Selinux is disabled at all !
I think that this is an html code problem only simply

[netniV]

I am not seeing the error on any of my installations, but that isn't to say there isn't something that might be triggering it that I haven't be able to replicate so far. If one of you can email me a dump of your database (developers@cacti.net), noting which user it is that is experiencing this, I can take a look.

Hi netniV, I can mail you a dump of the database, seems this may be the same problem I'm experiencing and my database is quite new and fresh.

[netniV]

Well, this would suggest that maybe it's a cookie setting or javascript incompatibility in some way. Using your data and chrome, everything appeared fine to me.

[netniV]

If you clear your cookies for the cacti site, does it start to work?

[cigamit]

Also, click the Graphs tab a second time, and see if the tree magically appears.

[xavloose]

I did some more looking into the issue. The only place I see it set the cacti tree navigation to zero is lib/html_tree.php line 191. It set's it to zero if visWidth is < 0. I added a line above it to output visWidth and when the issue appears visWidth is -Infinity.

Potentially a bug with jstree?

I am not sure the width would ever need to be set to 0 as it looks like the css display property is utilized to hide and show the graph tree navigation. I reference it in the patch.

[fredleeflang]

I tried removing my cookies and logging in again. This fixed the issue.

[reubenfarrelly]

Possibly related to #3044 ? There's a lot in common here.

[kaba1ah]

Same here with Chrome 79.0.3945.79 and Firefox 72.0b6. Clearing cookies didn't help in my case.