PHP Cron Job Not Running

Cronjob not running php script

Can you share you error-message with us? I assume this will help a lot to find the issue.

I've shared my insights how to enable logging in a different post on stack overflow (see link below). This will explain how you can display errors in your cron execution:

https://stackoverflow.com/a/60250715/12880865

Please let me know if this helps you. If you'll get a proper error message, please share it with us so we can dig further into your question.

Cron job is not running the php script

$_SERVER['DOCUMENT_ROOT'] is created by your webserver (e.g. Apache) before calling PHP. If you're running your script via a cronjob, you're bypassing your webserver and the DOCUMENT_ROOT will not exist.

You should determine the location of your configuration file in another way. One way is to use PHP's built-in constants for file locations, like __FILE__ or __DIR__:

$dir = __DIR__ . "/configuration.php";

__DIR__ refers to the folder containing the current file, so this will become /home/user/public_html/folder/subfolder/configuration.php.

From what you're doing with $_SERVER['DOCUMENT_ROOT'] I assume your configuration file is one folder up from public_html, so you could do something like this:

$dir = __DIR__ . "/../../../configuration.php";

PHP Script is not running via cron job

The problem was the variables of the SDK to connect with IBM Infomix database. Although I had set the PATH, it was necessary to export the environment variables from IBM Informix that I define when I did install the Informix SDK. The strange was that even with the PDO exeptions no one error was generate when I redirect error standard output with &>.

May exist an most elegant way to do that but I can't play with live environment. Follow that cron job that currently works:

SHELL=/usr/local/bin
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/opt/IBM/informix/bin
14,29,44,59 * * * * root export INFORMIXSERVER=<data_source_name> && export INFORMIXDIR=<path_to_informix_sdk> && export INFORMIXTMP=<path_infomix_tmp> && export INFORMIXSQLHOSTS=<path_to_sqlhost_file> && export $PATH:$INFORMIXDIR/bin && /usr/bin/php /opt/project/script.php &> /var/log/project/task.log

php cron jobs not running after moving to php 7.2

I have found issue for this it was path issue, cron jobs were not including up file above directory

include(../config.php); // this file was not including 

so I found solution and changed the path to this

include("/var/www/html/config.php");

now all cron jobs are working fine

Cron Jobs Not Running at all, Working manually

The __DIR__ would give the script working directory so when using require it would always translate the path correctly

example:

<?php
define('DIR', __DIR__);
require_once(DIR.'../backend/backend.php');
?>

CronJob not running

Finally I found the solution. Following is the solution:-

1. Never use relative path in python scripts to be executed via crontab.
   I did something like this instead:-

   import os
   import sys
   import time, datetime
   
   CLASS_PATH = '/srv/www/live/mainapp/classes'
   SETTINGS_PATH = '/srv/www/live/foodtrade'
   sys.path.insert(0, CLASS_PATH)
   sys.path.insert(1,SETTINGS_PATH)
   
   import other_py_files
   

2. Never supress the crontab code instead use mailserver and check the mail for the user. That gives clearer insights of what is going.

cron job does not read & write to log file when executed the cron

Maybe you are specifying the wrong path.

Try this

/path/to/php -f /path/to/script.php >> /path/to/logfile.log

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