🚀 go-pugleaf

I have a peace of code that executes an application and places it's
STDOUT and STDERR into a Java Frame.

The problem is, that after executing exec(application) I need to wait
for it to finish before I read the buffer but waitFor() never seems to
return.  

If I replay waitFor() with a delay the program works for most
applications - BUT WHY doesn't waitFor() work !!!

I have placed an except of the code below 

Process process = Runtime.getRuntime().exec(command_string);

// Capture output
BufferedReader proc_output =
  new BufferedReader(new InputStreamReader(
  new BufferedInputStream(process.getInputStream())));

BufferedReader proc_error =
  new BufferedReader(new InputStreamReader(
  new BufferedInputStream(process.getErrorStream())));

process.waitFor();

// For testing we use the below to simulate above
//Thread.currentThread().sleep(2000); 

while (proc_output.ready())
  textout.addLine(proc_output.readLine()+"\n");

while (proc_error.ready())
  textout.addLine(proc_error.readLine()+"\n");