On Fri, Aug 27, 2021 at 10:25 AM Uwe Ligges <lig...@statistik.tu-dortmund.de> wrote:
> > > On 23.08.2021 18:07, Alan Aw wrote: > > Hi, > > > > I submitted a package to CRAN, but it keeps failing a particular check > for > > Windows. This error shows up when I check my code examples. > > > > Error: connections left open: > >> <-CRANwin.fb05.statistik.uni-dortmund.de:11602 > >> <http://cranwin.fb05.statistik.uni-dortmund.de:11602/> (sockconn) > >> <-CRANwin.fb05.statistik.uni-dortmund.de:11602 > >> <http://cranwin.fb05.statistik.uni-dortmund.de:11602/> (sockconn) > >> Execution halted > > > > > > For context, my code example does the following. > > > > suppressWarnings(require(doParallel)) > >> registerDoParallel(cores = 2) > >> > > > > > > # Some code examples that use foreach and %dopar% > > > > > > > > stopImplicitCluster() > > > > > > Other contextual information: > > > > - I already import doParallel in the DESCRIPTION file. > > - My package passes all checks on the Linux machine. > > > > I have read elsewhere (e.g., this thread > > <https://github.com/HenrikBengtsson/future/issues/327>) that examples > with > > parallelization lead to this error. However stopImplicitCluster() does > not > > seem to fix it. > > > > Could someone familiar with this please troubleshoot? Thank you. > > No idea about the doParallel package, but perhaps it helps to open a > cluster explicitly and in the end stop exactly that cluster? > > Best, > Uwe Ligges > > > > Alan As per Dr. Ligges, I’ve had more success closing the named cluster than using stopImplicit. Avi > > -- Sent from Gmail Mobile [[alternative HTML version deleted]] ______________________________________________ R-package-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-package-devel
