Wait for Runtime.getRuntime().exec to finish?

[N.S. James]

Hi there,

I have a chunk of code that I would like to run an external application from within Java. However, this external app i need to run until it closes itself, before Java continues.

However, when i run the code ive got, the external app im running terminates, which means the rest of the program cannot access it.

Any ideas?

Ps. This is the code...

   
            Process proc = Runtime.getRuntime().exec(SERVER_APPLICATION);
            
            // Open output and error streams of the created process
            BufferedInputStream outStream = new BufferedInputStream(proc.getInputStream());
            BufferedInputStream errStream = new BufferedInputStream(proc.getErrorStream());

            // Write the input to the created process
            if (cmdInput.length() > 0) {
                BufferedOutputStream out = new BufferedOutputStream(proc.getOutputStream());
                out.write(cmdInput.toString().getBytes());
                out.write("\r\n".getBytes());
                out.close();
            }
 

[Paul Clapham]

Read When Runtime.exec() won't and apply everything it says to your code.