Run a jar File from java program

Question

I am trying to execute jar files from another Java program. I am using the following code :

      try {
          Runtime runtime = Runtime.getRuntime();
           


        

Answer 1

First suggestion/recommendation is to use ProcessBuilder instead of Runtime. Here is what you can try:

ProcessBuilder pb = new ProcessBuilder("java", "-jar", "./jarpath/yourjar.jar");
Process p = pb.start();
BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
String s = "";
while((s = in.readLine()) != null){
    System.out.println(s);
}
int status = p.waitFor();
System.out.println("Exited with status: " + status);