Running java code from CRON job

Question

Facing a problem while running Java code from CRON job.

I am trying to run a ".sh" file from CRON like this:

* * * * * root sh /run-test.sh >> /var/log/cron.log
# empty line

and this run-test.sh has:

java HelloWorld

When, I navigate to root folder i.e. "/" and run command:

sh run-test.sh

It will run my HelloWorld class properly and gives me desired output.

But, through CRON tab it always say's:

Error: Could not find or load main class HelloWorld

I am not able to Judge what can be the reason for this. Immediate replies will be helpful. Thanks

Answer 1

you might need to change the current working directory for cron.

* * * * * root cd / && sh /run-test.sh >> /var/log/cron.log

you dont have any absolute paths in your script , so it will be running relative to the working directory.