Graph Variables are not always parsed correctly leading to errors in log files

[jsmalisa]

Hi

I am getting this error below. Can someone assist me as I am not well versed with PHP.

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ERROR PHP NOTICE: Trying to access array offset on value of type null in file: /opt/cacti/lib/graph_variables.php on line: 153

[bmfmancini]

What version of cacti? How often is it happening? When does it happen?

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On Sun., Jan. 31, 2021, 23:06 jsmalisa, ***@***.***> wrote: Hi I am getting this error below. Can someone assist me as I am not well versed with PHP. +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ERROR PHP NOTICE: Trying to access array offset on value of type null in file: /opt/cacti/lib/graph_variables.php on line: 153 [image: image] <https://user-images.githubusercontent.com/53674811/106413669-65292780-6496-11eb-99ac-ddd457ee6e37.png> — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#4110>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ADGEXTGGNL724PT7ZHRAVCDS4YSEPANCNFSM4W4CBF6A> .

[jsmalisa]

I ran an upgrade on Ubuntu this morning and it stopped graphing. I believe it could be related to PHP. Advise what I should do. Kind regards John

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On Mon, 1 Feb 2021, 14:40 Sean Mancini, ***@***.***> wrote: What version of cacti? How often is it happening? When does it happen? On Sun., Jan. 31, 2021, 23:06 jsmalisa, ***@***.***> wrote: > Hi > > I am getting this error below. Can someone assist me as I am not well > versed with PHP. > > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > ERROR PHP NOTICE: Trying to access array offset on value of type null in > file: /opt/cacti/lib/graph_variables.php on line: 153 > > [image: image] > < https://user-images.githubusercontent.com/53674811/106413669-65292780-6496-11eb-99ac-ddd457ee6e37.png > > > — > You are receiving this because you are subscribed to this thread. > Reply to this email directly, view it on GitHub > <#4110>, or unsubscribe > < https://github.com/notifications/unsubscribe-auth/ADGEXTGGNL724PT7ZHRAVCDS4YSEPANCNFSM4W4CBF6A > > . > — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#4110 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AMZQGO4OALRQWXTIQLVBVR3S4YWEJANCNFSM4W4CBF6A> .

[TheWitness]

Update lib/variables.php from the 1.2.x branch and report back.

[jsmalisa]

Advise how it's done as I am not familiar with it

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On Tue, 2 Feb 2021, 09:15 TheWitness, ***@***.***> wrote: Update lib/variables.php from the 1.2.x branch and report back. — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#4110 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AMZQGO2S7UDH4C7IW5GUOJ3S44Y2PANCNFSM4W4CBF6A> .

[bmfmancini]

In Github go to the 1.2.x branch Select the file click raw and you can wget the file to the server Or you can git clone - b 1.2.x the cacti repo and copy over the file to your cacti Dir

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On Mon., Feb. 1, 2021, 19:28 jsmalisa, ***@***.***> wrote: Advise how it's done as I am not familiar with it On Tue, 2 Feb 2021, 09:15 TheWitness, ***@***.***> wrote: > Update lib/variables.php from the 1.2.x branch and report back. > > — > You are receiving this because you authored the thread. > Reply to this email directly, view it on GitHub > <#4110 (comment)>, or > unsubscribe > < https://github.com/notifications/unsubscribe-auth/AMZQGO2S7UDH4C7IW5GUOJ3S44Y2PANCNFSM4W4CBF6A > > . > — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#4110 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ADGEXTBSY77453S4PYL7OYDS45BKXANCNFSM4W4CBF6A> .

[jsmalisa]

Ok. Will do that and advise you

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On Tue, 2 Feb 2021, 10:30 Sean Mancini, ***@***.***> wrote: In Github go to the 1.2.x branch Select the file click raw and you can wget the file to the server Or you can git clone - b 1.2.x the cacti repo and copy over the file to your cacti Dir On Mon., Feb. 1, 2021, 19:28 jsmalisa, ***@***.***> wrote: > Advise how it's done as I am not familiar with it > > On Tue, 2 Feb 2021, 09:15 TheWitness, ***@***.***> wrote: > > > Update lib/variables.php from the 1.2.x branch and report back. > > > > — > > You are receiving this because you authored the thread. > > Reply to this email directly, view it on GitHub > > <#4110 (comment)>, or > > unsubscribe > > < > https://github.com/notifications/unsubscribe-auth/AMZQGO2S7UDH4C7IW5GUOJ3S44Y2PANCNFSM4W4CBF6A > > > > . > > > > — > You are receiving this because you commented. > Reply to this email directly, view it on GitHub > <#4110 (comment)>, or > unsubscribe > < https://github.com/notifications/unsubscribe-auth/ADGEXTBSY77453S4PYL7OYDS45BKXANCNFSM4W4CBF6A > > . > — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#4110 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AMZQGO2HHBOSJIN7DGWJXDLS45BSRANCNFSM4W4CBF6A> .

[jsmalisa]

Trying to WGET the variables.php but the connection is timing out.

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jmalisa@cactisvr02:~$ wget https://raw.githubusercontent.com/Cacti/cacti/1.2.x/lib/variables.php
--2021-02-02 13:14:11-- https://raw.githubusercontent.com/Cacti/cacti/1.2.x/lib/variables.php
Resolving raw.githubusercontent.com (raw.githubusercontent.com)... 151.101.28.133
Connecting to raw.githubusercontent.com (raw.githubusercontent.com)|151.101.28.133|:443...
failed: Connection timed out.
Retrying.

--2021-02-02 13:16:23-- (try: 2) https://raw.githubusercontent.com/Cacti/cacti/1.2.x/lib/variables.php
Connecting to raw.githubusercontent.com (raw.githubusercontent.com)|151.101.28.133|:443... failed: Connection timed out.
Retrying.

--2021-02-02 13:18:35-- (try: 3) https://raw.githubusercontent.com/Cacti/cacti/1.2.x/lib/variables.php
Connecting to raw.githubusercontent.com (raw.githubusercontent.com)|151.101.28.133|:443... failed: Connection timed out.
Retrying.
--2021-02-02 14:04:47-- (try: 4) https://github.com/Cacti/cacti/blob/1.2.x/lib/variables.php
Connecting to github.com (github.com)|13.236.229.21|:443... ^C
jmalisa@cactisvr02:/opt/cacti/lib$ pwd
/opt/cacti/lib
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[TheWitness]

git clone -b 1.2.x https://github.com/cacti/cacti.git some_directory

[jsmalisa]

My Cacti files are in opt/cacti

Do I git clone to that directory?

Kind regards
John

[jsmalisa]

Could not GIT CLONE as well

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jmalisa@cactisvr02:/opt/cacti$ sudo git clone -b 1.2.x https://github.com/cacti/cacti.git some_directory
[sudo] password for jmalisa:
Sorry, try again.
[sudo] password for jmalisa:
Cloning into 'some_directory'...
fatal: unable to access 'https://github.com/cacti/cacti.git/': Failed to connect to github.com port 443: Connection timed out
jmalisa@cactisvr02:/opt/cacti$
+++++++++++++++++++++

[TheWitness]

Looks like you have to setup a proxy. Better just got github.com with your browser and learn to use the UI.

[jsmalisa]

Thanks, I'll check it out.

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On Tue, 2 Feb 2021, 10:29 pm TheWitness, ***@***.***> wrote: Looks like you have to setup a proxy. Better just got github.com with your browser and learn to use the UI. — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#4110 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AMZQGO3LUBCRYJCUMZ32KFTS47VZTANCNFSM4W4CBF6A> .

[jsmalisa]

updated lib/variables.php from the 1.2.x branch and still the same.

[bmfmancini]

What version of PHP are you using?

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On Tue., Feb. 2, 2021, 21:14 jsmalisa, ***@***.***> wrote: updated lib/variables.php from the 1.2.x branch and still the same. [image: image] <https://user-images.githubusercontent.com/53674811/106688175-54ed8580-6619-11eb-829f-9c12ea2f609c.png> — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#4110 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ADGEXTCL4DC7KVQAYREYZ2TS5CWQZANCNFSM4W4CBF6A> .

[jsmalisa]

jmalisa@cactisvr02:/opt/cacti/lib$ php -v
PHP 8.0.1 (cli) (built: Jan 13 2021 08:21:37) ( NTS )
Copyright (c) The PHP Group
Zend Engine v4.0.1, Copyright (c) Zend Technologies
with Zend OPcache v8.0.1, Copyright (c), by Zend Technologies
jmalisa@cactisvr02:/opt/cacti/lib$