从php调用.jar ...需要服务器配置？

Question

I hope not to duplicate a post but I could not find any details about it.

I developed a java sendMail application (with NetBeans) and correctly compiled the project. I copied everything on my UNIX cloud server in the same path where the php resides where I need to call the .jar. the following is the structure of the path:

/file.php
/SendMail.jar
/lib/javax.mail.jar

When i call file.php (via browser), nothing happens...... I have tried all syntax possible in php......shell_exec....exec....ecc...ecc... below the code I am using:

$java = "/opt/abs/httpd/SendMail.jar";
shell_exec("java -cp ".$java);
echo "Done";

do I have to implement some configuration for the apache server to communicate with java?

where am I wrong?

Thanks in advance!!!

Answer 1

Step 1:

You should first package the project with every dependency needed in a jar file.

Step 2:

Then try running the jar on your local machine using:

java -jar /path-to-jar/SendMail.jar 
//once you verify everything is working

Step 3: on your server

exec('java -jar /path-to-jar/SendMail.jar')

If you wish to run it in background

exec('java -jar /path-to-jar/SendMail.jar > /log-path/yourservice.log 2>&1)