Depending on the nature of the of the child process you can
use different Variations of your solution.
That's our solution: (The child process writes lines to stdout)
BufferedReader mInput =
new BufferedReader(new
InputStreamReader(mProcess.getInputStream()));
String mLine;
while ((mLine = mInput.readLine()) != null) {
doSomeThingWith(mLine);
}
> -----Ursprüngliche Nachricht-----
> Von: Christoph Kukulies [mailto:[EMAIL PROTECTED]]
> Gesendet: Mittwoch, 25. April 2001 09:45
> An: [EMAIL PROTECTED]
> Betreff: Re: Reaped pid = 24793, status = 0
>
>
> On Wed, Apr 25, 2001 at 09:28:29AM +0200, Ralph Einfeldt wrote:
> >
> > Process mProcess =
> > Runtime.getRuntime().exec(new String[] {<Command>,
> <arg0>[, arg1-n]});
> > ...
> > try {
> > mProcess.waitFor();
> > } catch (Throwable ex) {
> > }
> > mProcess.destroy();
>
> Thanks for the elegant shorthand writing.
> While bein at it: Does anyone know a better way to obtain
> the stdout of the exec'ed process?
>
> try {
> int b;
>
> cmdarray[0]="/home/kuku/bin/someexec";
> cmdarray[1]="/usr/local/www/data/uploads/" + filename;
>
> // now you have the actual file, so you can get some some
> more info out of that
> // and put in a database or something to keep track of it.
> Process p=runner.exec(cmdarray);
> InputStream i=p.getInputStream();
>
> while((b=i.read()) >=0) {
> out.write(b);
> out.flush();
> }
> } catch(Exception e) {
> out.println("some exception occured [" + e + "]");
> e.printStackTrace();
> }
>
>
> >
> > > -----Ursprüngliche Nachricht-----
> > > Von: Christoph Kukulies
[mailto:[EMAIL PROTECTED]]
> > Gesendet: Mittwoch, 25. April 2001 09:07
> > An: [EMAIL PROTECTED]
> > Betreff: Re: Reaped pid = 24793, status = 0
> >
> >
> > On Tue, Apr 24, 2001 at 12:54:56PM -0400, Boyce, David wrote:
> > > A guess: you're letting the object reference go out of
> > scope without doing a
> > > waitFor() or similar. When it then gets garbage collected
> > the JVM tells you
> > > what became of your abandoned child.
> >
> > So should I do a WaitFor(p) (the process object to terminate?)
> >
--
Chris Christoph P. U. Kukulies [EMAIL PROTECTED]
