[forgot to hit reply-all] Hi Chris, When I have encountered similar sounding problems in the past I was able to work around them as follows. Instead of running rstudio locally, I run rstudio-server locally and then in a browser I enter the URL http://localhost:8787/
HTH, Eric On Mon, May 19, 2025 at 6:21 PM Eric Berger <ericjber...@gmail.com> wrote: > Hi Chris, > When I have encountered similar sounding problems in the past I was able > to work around them as follows. > Instead of running rstudio locally, I run rstudio-server locally and then > in a browser I enter the URL http://localhost:8787/ > > HTH, > Eric > > On Mon, May 19, 2025 at 6:01 PM Chris Evans via R-help < > r-help@r-project.org> wrote: > >> I realise that shiny and Rstudio is often seen as OT here but I have a >> strong suspicion that the issue is R or R/OS related so I hope someone >> here will have some thoughts that might help me. >> >> The scenario is that as of yesterday running my shiny project locally >> from within Rtudio, i.e. by opening the index.html with preview, gets me >> "Input/output error" when I click on a link to an app. >> >> The same shiny running on my server (https://shiny.psyctc.org) runs >> fine. So if I click on the link >> https://shiny.psyctc.org/apps/COREpapers1 there then that app runs >> fine. However, when I do the same locally I get "Input/output error" in >> the window that pops up where the app should run! Very bizarrely, if I >> open the app itself locally in Rstudio it runs fine. >> >> I am completely baffled by this, have never seen it before and some >> searching on the web only suggest that "Input/output error" may be an OS >> level error and a suggestion that dmesg may give me a clue about it. >> However,dmesg is showing nothing that looks remotely pertinent and >> nothing new appears in rerunning dmesg immediately after invoking that >> error message. I have updated and rebooted the local machine (rather >> desperate I admit) and that did update quite a lot of core linux files >> (despite my having updated this morning say six hours ago) ... but >> nothing new in R or R packages and the problem stayed the same. >> >> To make it even more confusing the server and the local machine are both >> running R 4.5.0 (2025-04-11) and shiny version is 1.10.0 on both. I use >> git to package the server project and that gets transferred to the >> server from the local machine and commit is showing no local changes and >> the last change is showing as on 5.v.25. The project can be seen at >> https://github.com/cpsyctc/shiny-server. >> >> The server is running >> Debian 5.10.197-1 (2023-09-29) x86_64 GNU/Linux >> but the local machine runs >> Linux tuxedo-os 6.11.0-114025-tuxedo #25~24.04.1tux1 SMP >> PREEMPT_DYNAMIC >> >> I would hugely appreciate it if anyone has any thoughts about this, any >> things I might do to debug it more. It's currently getting in the way of >> some mildly urgent work I need to do on the server (of course it is, IT >> knows when you are vulnerable!) >> >> TIA, >> >> Chris >> >> -- >> Chris Evans (he/him) >> Visiting Professor, UDLA, Quito, Ecuador >> CORE site: http://www.coresystemtrust.org.uk >> <https://www.coresystemtrust.org.uk/> >> Other work web site: https://www.psyctc.org/psyctc/ >> Personal site: https://www.psyctc.org/pelerinage2016/ >> <https://ombook.psyctc.org/book> >> >> ______________________________________________ >> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide >> https://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide https://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
