JAVA : Making an Application as a Service in Windows / Linux Using Tanuki Wrapper

Launch any Java program / application as a service by using Tanuki Service Wrapper.
Please follow the below steps to install a java application(KTPot) as service in Windows / Linux.

Prerequisites : Wrapper Service community Edition which is free. 

• Unzip the wrapper.zip and copy your java application i.e jar to the "<Wrapper_Home>\lib" directory.
• Look over the provided examples "demoapp / testwrapper" for more reference.
• Change the below attributes in ktpotapp.conf & ktpot under "<Wrapper_Home>\bin" directory
• APP_NAME: your service name (ie. ktpot)
• APP_LONG_NAME: if you have a longer description (Knowledge Transfer Pot)
• WRAPPER_CONF: file location if you wish to change
• PRIORITY: specify nice value
• PIDDIR: the path of where the pid file should be stored
• RUN_AS_USER: specify the user the service should be run as
• USE_UPSTART: flag for using upstart
• wrapper.java.command=/usr/bin/java (Optional - Java Location)
• wrapper.java.mainclass=org.tanukisoftware.wrapper.WrapperJarApp
• wrapper.java.classpath.1=/usr/local/lib/wrapper.jar
• wrapper.java.classpath.2=/usr/local/bin/ktpot.jar (application)
• wrapper.java.additional.1=-Xms1G (Optional - Java Heap)
• wrapper.java.additional.2=-Xmx1G (Optional - Java Heap)

Steps to follow in Windows:

1. Change the set.default.JSW_HOME=D:\Services\KTPot as per module installation
2. Change the set.default.KTPOT_HOME=D:\Services\KTPot as per module installation
3. Install as service --> wrapper -i ktpotapp.conf
4. Check the status --> wrapper -q ktpotapp.conf
5. Start the service --> wrapper -t ktpotapp.conf
6. Stop the service --> wrapper -p ktpotapp.conf
7. Remove the service --> wrapper -r ktpotapp.conf

Check in Windows Services Tab.

Steps to follow in Linux:

1. Change the set.default.JSW_HOME=\usr\bin\KTPot as per module installation
2. Change the set.default.KTPOT_HOME=\usr\bin\KTPot as per module installation
3. Move to installation folder to give admin permission for command execution
4. Chmod 755 wrapper
5. Chmod 755 ktpot
6. Install as service --> ./ktpot install
7. Check the status --> ./ktpot status
8. Start the service --> ./ktpot start
9. Stop the service --> ./ktpot stop
10.Remove the service --> ./ktpot remove

Check in /etc/init.d/ktpot in console.