Re: GNU Parallel Bug Reports Issue with invoking multiple parallel instances

[Ole Tange]

On Fri, May 26, 2017 at 6:05 PM, Aditya Kommajosula <address@hidden> wrote:

> I have a job script which calls GNU Parallel for parallel execution, which
> is followed by some serial code, after which GNU parallel is invoked again
> (to run parallel commands different than the first parallel call). I use the
> '--sshloginfile' option on both instances of the GNU Parallel calls, and I
> encounter an error at the second call:
>
> parallel: Error: Cannot open loginFile

Please follow this:

REPORTING BUGS

       Report bugs to <address@hidden> or
       https://savannah.gnu.org/bugs/?func=additem&group=parallel

       See a perfect bug report on
       https://lists.gnu.org/archive/html/bug-parallel/2015-01/msg00000.html

       Your bug report should always include:

       · The error message you get (if any).

       · The complete output of parallel --version. If you are
         not running the latest released version (see
         http://ftp.gnu.org/gnu/parallel/) you should specify
         why you believe the problem is not fixed in that
         version.

       · A minimal, complete, and verifiable example (See
         description on http://stackoverflow.com/help/mcve).

         It should be a complete example that others can run
         that shows the problem including all files needed to
         run the example. This should preferably be small and
         simple, so try to remove as many options as possible.
         A combination of yes, seq, cat, echo, and sleep can
         reproduce most errors. If your example requires large
         files, see if you can make them by something like seq
         1000000 > file or yes | head -n 10000000 > file.

         If your example requires remote execution, see if you
         can use localhost - maybe using another login.

       · The output of your example. If your problem is not
         easily reproduced by others, the output might help
         them figure out the problem.

       · Whether you have watched the intro videos
         (http://www.youtube.com/playlist?list=PL284C9FF2488BC6D1),
         walked through the tutorial (man parallel_tutorial),
         and read the EXAMPLE section in the man page (man
         parallel - search for EXAMPLE:).

       If you suspect the error is dependent on your
       environment or distribution, please see if you can
       reproduce the error on one of these VirtualBox images:
       http://sourceforge.net/projects/virtualboximage/files/
       http://www.osboxes.org/virtualbox-images/

       Specifying the name of your distribution is not enough
       as you may have installed software that is not in the
       VirtualBox images.

       If you cannot reproduce the error on any of the
       VirtualBox images above, see if you can build a
       VirtualBox image on which you can reproduce the error.
       If not you should assume the debugging will be done
       through you. That will put more burden on you and it is
       extra important you give any information that help. In
       general the problem will be fixed faster and with less
       work for you if you can reproduce the error on a
       VirtualBox.

/Ole