in reply to Program arg interfering with redirecting STDERR to STDOUT

Try this: 
   use IPC::Open3 ;
   open3(LOGREAD , LOGERROR, LOGWRITE, "java myprogram abc");
   my @output = <LOGREAD> ;
   my @errors = <LOGERROR> ;
   close(LOGREAD , LOGERROR, LOGWRITE) ;

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Graciliano M. P.
"Creativity is the expression of the liberty".

In Section Seekers of Perl Wisdom