port = 4567 is already in use #19
Comments
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Thanks for opening this issue!
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This is the culprit. https://github.com/yonicd/carbonate/blob/master/R/selenium_functions.R#L44 @ColinFay is there a way to find an open port? |
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There is an internal function in shiny and markdown that does that. There are also a bunch of node js packages that do that so might be worth checking how they do it too. |
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this commit bb0fd55 should solve the issue. ht to @dpastoor for pointing to how {fiery} finds a port. in practice the user wont feel the change, but there is now a random port being selected on a new one or a specific one can be reset using |
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You can also try with |
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I mean, if the port is not available, switch to a random port (if 4567 is important, if it's not, default to |
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Is there a way to release unused ports along same lines of gc()? Or does that happen anyways with RSelenium/wdman? |
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Unfortunately it still doesn't work for me, see below : library(carbonate)
x <- carbon$new('x <- 1')
x$carbonate()
#> starting chrome session...
#> checking chromedriver versions:
#> BEGIN: PREDOWNLOAD
#> BEGIN: DOWNLOAD
#> BEGIN: POSTDOWNLOAD
#> Error in wdman::selenium(port = port, verbose = verbose, version = version, : Selenium server signals port = 25855 is already in use.
x$carbonate()
#> starting chrome session...
#> Error in wdman::selenium(port = port, verbose = verbose, version = version, : Selenium server signals port = 25855 is already in use.
x <- carbon$new('x <- 1')
x$carbonate()
#> starting chrome session...
#> checking chromedriver versions:
#> BEGIN: PREDOWNLOAD
#> BEGIN: DOWNLOAD
#> BEGIN: POSTDOWNLOAD
#> Error in wdman::selenium(port = port, verbose = verbose, version = version, : Selenium server signals port = 30318 is already in use.Created on 2020-02-24 by the reprex package (v0.3.0) |
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thanks for the feedback. i'll try again :) interesting though that you are landing on unavailable ports that are chosen at random |
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i thought it may be the reperex envir ... but it's not library(carbonate)
x <- carbon$new('x <- 1')
#> Set via '~/carbon.yml'
#> palette:
#> - 171.0
#> - 175.0
#> - 195.0
#> - 0.7
#> template: panda-syntax
#> font_family: Fira Code
#> padding_vertical: 11
#> padding_horizontal: 14
#> language: r
x$carbonate()
#> starting chrome session...
#> checking chromedriver versions:
#> BEGIN: PREDOWNLOAD
#> BEGIN: DOWNLOAD
#> BEGIN: POSTDOWNLOADCreated on 2020-02-24 by the reprex package (v0.3.0) |
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i see that wdman is 0.2.4 for you, i am using 0.2.5. sessioninfo package * version date lib source
askpass 1.1 2019-01-13 [1] CRAN (R 3.6.0)
assertthat 0.2.1 2019-03-21 [1] CRAN (R 3.6.0)
binman 0.1.1 2018-07-18 [1] CRAN (R 3.6.0)
bitops 1.0-6 2013-08-17 [1] CRAN (R 3.6.0)
caTools 1.17.1.2 2019-03-06 [1] CRAN (R 3.6.0)
curl 4.3 2019-12-02 [1] CRAN (R 3.6.0)
httr 1.4.1 2019-08-05 [1] CRAN (R 3.6.0)
jsonlite 1.6.1 2020-02-02 [1] CRAN (R 3.6.0)
mime 0.9 2020-02-04 [1] CRAN (R 3.6.0)
openssl 1.4.1 2019-07-18 [1] CRAN (R 3.6.0)
processx 3.4.2 2020-02-09 [1] CRAN (R 3.6.1)
ps 1.3.2 2020-02-13 [1] CRAN (R 3.6.1)
R6 2.4.1 2019-11-12 [1] CRAN (R 3.6.0)
rappdirs 0.3.1 2016-03-28 [1] CRAN (R 3.6.0)
Rcpp 1.0.3 2019-11-08 [1] CRAN (R 3.6.1)
RSelenium 1.7.7 2020-02-03 [1] CRAN (R 3.6.1)
semver 0.2.0 2017-01-06 [1] CRAN (R 3.6.0)
sys 3.3 2019-08-21 [1] CRAN (R 3.6.1)
wdman 0.2.5 2020-01-31 [1] CRAN (R 3.6.0)
XML 3.98-1.20 2019-06-06 [1] CRAN (R 3.6.0)
xml2 1.2.2 2019-08-09 [1] CRAN (R 3.6.0)
yaml 2.2.1 2020-02-01 [1] CRAN (R 3.6.0)
[1] /Library/Frameworks/R.framework/Versions/3.6/Resources/library
can you update and try again? |
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After going through hell and back a handful of times I have R up to date with all latest package versions. An unfortunate difference is that I can't reprex anymore the example above from Rstudio, The call to reprex seems to complete but doesn't display anything, then any next instruction freezes forever and I have to kill RStudio. Apart from that I get same error message, I first had a different one though, which told me I had to update chrome to version 81. 81 is the beta version but updating to last available version was enough. From a clean Rgui session I get : |
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can you try this, just to see that the RSelenium wdman are connecting ok for you port <- httpuv::randomPort()
cDrv <- wdman::chrome(port = port)
rD <- RSelenium::rsDriver(
browser = "chrome",
verbose = TRUE,
chromever = 'latest',
port = port,
extraCapabilities = list(
chromeOptions = list(args = c("--disable-gpu", "--window-size=1280,800"),
prefs = list(
"profile.default_content_settings.popups" = 0L,
"download.prompt_for_download" = FALSE,
"download.directory_upgrade" = TRUE,
"safebrowsing.enabled" = TRUE,
"download.default_directory" = tempdir()
))
)
)
rD$client$navigate('https://github.com')
# to close the browser
rD$client$close()
# to close the server
rD$server$stop()
# stop the chrome process
cDrv$stop()
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It fails : |
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ok. so this issue is for @juyeongkim at RSelenium issues https://github.com/ropensci/RSelenium/issues seems like the new version is not working well with winos. thanks for trying that script, hopefully he can help. |
Describe the bug
I get :
when running the simplest example
To Reproduce
contents of your _mrgconfig.yml file
Not sure where to find this
Expected behavior
open a browser to the carbon.js uri, create an image and download the file
Environment (please complete the following information):
Session Info
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