Unable to execute java class file from php exec method?

Question

I am trying to execute a java class file from php using the exec method. However, i get the following error.

I have set chmod 777 to the java class file so i suppose permission is not an issue.

For some reason it is not able to find it ?

I can run the java class file from the terminal using the java command without any problem

Error:

Error: Could not find or load main class .var.www.redbutton.readBashScript.class


<?php

exec('java /var/www/redbutton/readBashScript.class');

?>

and

<?php

exec('java /var/www/redbutton/readBashScript');

?>

NoDataFound · Accepted Answer · 2014-09-29 20:32:59Z

1

The java exec does not work like that.

You need not pass the file to "execute", but the class which is why you get an error.

You must do:

java -cp /var/www/redbutton readBashScript

But:

/var/www/redbutton must be a classpath directory, where your .class reside. Java will by default try to find classes in the current directory, which explains why it work in the console.
readBashScript must be the name of a class containing a main method.

answered Sep 29, 2014 at 20:32

NoDataFound

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