Linux crontab does not execute problem solving method

Source: Internet
Author: User
Tags mail

Linux crontab do not perform problem troubleshooting

Problem Description:

A crontab is configured on the CentOS, so that it executes once a day, the configuration syntax is fine, but the log that the program executes is not found, so the program is not executed.

The crontab configuration is as follows:


* * * * sh/opt/geo/search-task-2.0/bin/


Through Google, you know that you can view crontab specific execution information through/var/spool/mail/root (user name), so



See Crontab's execution log as follows:


Set java_home=/usr/local/java/jdk1.6.0_35

/opt/geo/search-task-2.0/bin/ 23:bin/ such file or directory

Through the log can be seen because the is not found, the original is path problems, modify the path, Crontab successfully run.

So if you find that the crontab does not execute the problem, you can first go to see the/var/spool/mail/root log, to determine the specific failure reasons.

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