'Runtime.getRuntime().exec() - some commands working in IDE, but not from an executable .jar file?

I exported my Maven Spring Boot project as a .jar file, and everything seems to be working fine, except for a few commands that my app is supposed to run in the Terminal.

For example "shutdown now" will run, and turn off the PC, but "xdg-open somelink.com" doesn't do anything?

I've tried executing the terminal commands in the following two ways:

  public void runInTerminal(String cmd){
        ProcessBuilder processBuilder = new ProcessBuilder();
        
        processBuilder.command("bash", "-c", cmd);


        try {

            Process process = processBuilder.start();

            StringBuilder output = new StringBuilder();

            BufferedReader reader = new BufferedReader(
                    new InputStreamReader(process.getInputStream()));

            String line;
            while ((line = reader.readLine()) != null) {
                output.append(line + "\n");
            }

            int exitVal = process.waitFor();
            if (exitVal == 0) {
                System.out.println("Success!");
                System.out.println(output);
                System.exit(0);
            } else {

            }

        } catch (IOException e) {
            e.printStackTrace();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

And also tried

 public void commandRun(String cmd) throws IOException, InterruptedException {

        Runtime run = Runtime.getRuntime();
        Process pr = run.exec(cmd);
        pr.waitFor();
    }

Thank you for your time!

javaspringspring-bootjarexecutable-jar


Solution 1:[1]

Check that <jre-dir>/lib/jspawnhelper/jspawnhelper have the -X flag (executable) enabled.

ProcessBuilder is a wrapper for Runtime.exec who is exeucte commands nativly throu the OS. Without the executable-flag on os-level you can not execute commands.

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Grim

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