#!/usr/bin/perl

use strict;
use warnings;
use Proc::Reliable;

my $proc = Proc::Reliable->new( 'num_tries'    => 5,
                                'time_per_try' => 60,
                                'maxtime'      => 60);
Proc::Reliable::debug(1);

my $out = $proc->run('java -jar program.jar');
if($proc->status) {
    print($proc->stderr);
    exit;
}
else {
    print($proc->stdout);
}