I'm guessing that, when launching the program through the batch file, the current working directory is now the jar file directory (which coincidently is what I want), so using a relative path to ...

Learn how to set JAVA_HOME as the Environment variable in Windows and also how to check or test the JAVA_HOME configuration setup using CMD.

Steps to run a JAR file on Windows, Mac or Linux To run a JAR file on Windows, Mac or Ubuntu machines, follow these steps: Verify that Java is installed on your computer Confirm the computer’s PATH ...