What does “Error in tools:::httpdPort <= 0L : …” in Rstudio means?

Question

I have upgraded R to version 3.2.2. When I restart Rstudio, before \">\" is shown, there is an error message:

Error in tools:::httpdPort <= 0L :
        c         


        

Answer 1

Upgrade your RStudio version to the latest one, should work in any OS.

For Linux/Ubuntu 14.04 terminal users, simply do:

sudo apt-get remove rstudio

wget https://download1.rstudio.org/rstudio-0.99.489-amd64.deb

sudo dpkg -i rstudio-0.99.489-amd64.deb

Now, run RStudio. The error message should disappear.