Error when starting the app

[Coorsaa]

@jakob-r I get an error when trying to start the app in master branch after installing it from github:

> devtools::install_github("mlr-org/shinyMlr/package")
...
> shinyMlr::runShinyMlr()
Loading required package: shiny

Listening on http://127.0.0.1:3806
Warning: Error in ..stacktraceon..: object '..' not found
Stack trace (innermost first):
    2: runApp
    1: shinyMlr::runShinyMlr
Error : object '..' not found

[jakob-r]

I think we need a bit more of information here. It seem's to work on my system and on travis. You have the latest mlr and shiny versions? Can you post your sessionInfo()?

[Coorsaa]

latest shiny, mlr, shinydashboard.

> sessionInfo()
R version 3.3.3 (2017-03-06)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows >= 8 x64 (build 9200)

locale:
[1] LC_COLLATE=German_Germany.1252  LC_CTYPE=German_Germany.1252    LC_MONETARY=German_Germany.1252 LC_NUMERIC=C                    LC_TIME=German_Germany.1252    

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] shiny_1.0.3  shinyMlr_1.0

loaded via a namespace (and not attached):
[1] R6_2.2.0          htmltools_0.3.5   tools_3.3.3       Rcpp_0.12.8       shinythemes_1.1.1 digest_0.6.12     xtable_1.8-2      httpuv_1.3.3      mime_0.5   

and the traceback

> traceback()
6: Sys.sleep(0.001)
5: withCallingHandlers(expr, error = function(e) {
       if (is.null(attr(e, "stack.trace", exact = TRUE))) {
           calls <- sys.calls()
           attr(e, "stack.trace") <- calls
           stop(e)
       }
   })
4: captureStackTraces({
       scheduleFlush()
       while (!.globals$stopped) {
           serviceApp()
           Sys.sleep(0.001)
       }
   })
3: ..stacktraceoff..(captureStackTraces({
       scheduleFlush()
       while (!.globals$stopped) {
           serviceApp()
           Sys.sleep(0.001)
       }
   }))
2: runApp(appDir = system.file("application", package = "shinyMlr"), 
       ...)
1: runShinyMlr()

[jakob-r]

Hmm. Weird error. Can you check if this line works:

shiny::runApp(appDir = [path to some shiny app])

Basically that's the only thing runShinyMlr does. I fear that it is a plattform specific problem.

[Coorsaa]

when I'm in my local shinyMlr folder and call runApp() it starts correctly. However, I still got this error when I try do do it with runShinyMlr()

[florianfendt]

Really seems platform specific. On my Mac everything works fine.

[py9mrg]

I have found a way to fix this issue on Windows. I know nothing about package building, so forgive me if I say something stupid. But when I look in the location of the shinyMlr package on my computer:

C:\Program Files\R\R-3.4.4\library\shinyMlr\application

All that is in there is what is in your:

https://github.com/mlr-org/shinyMlr/tree/master/package/inst/application

So, all server.R has in it is ../../../server.R. I don't know if this means it is pointing to other things should have been installed in other locations, and they haven't. But one hack that works is to:

1. Install the shinyMlr package in R. (I had a bit of a nightmare with this and had to manually install dependencies, as well as make sure I had both 32 bit and 64 bit Java's installed or RWeka -- because of rJava -- won't work).
2. Clone the shinyMlr GitHub repository.
3. Delete everything in C:\Program Files\R\R-3.4.4\library\shinyMlr\application (or whatever version of R you have).
4. Copy everything from the shinyMlr repository (in my case C:\Data\GitHub\shinyMlr) into the location of point 3. That's the versions of server.R, ui.R that actually contain code -- as well as all folders such as helper, data, etc. Probably not all of these are needed, but some definitely are and it works with all!

Obviously that's a bit of a hack solution -- but it works -- and I hope that helps users get up and running (current method in readme won't work offline), and you guys pinpoint the problem/solution.

[One other small issue, the .pdf or .html file extensions aren't automatically appended to report filenames -- currently I have to do it manually.]

[pokyah]

Hi all,

same error as @Coorsaa while trying to run shinyMlr inside this docker container.

> sessionInfo()
R version 3.4.4 (2018-03-15)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Debian GNU/Linux 9 (stretch)

Matrix products: default
BLAS: /usr/lib/openblas-base/libblas.so.3
LAPACK: /usr/lib/libopenblasp-r0.2.19.so

locale:
 [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C               LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8    
 [5] LC_MONETARY=en_US.UTF-8    LC_MESSAGES=C              LC_PAPER=en_US.UTF-8       LC_NAME=C                 
 [9] LC_ADDRESS=C               LC_TELEPHONE=C             LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C       

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
 [1] mlr_2.12.1           ParamHelpers_1.10    BlandAltmanLeh_0.3.1 chron_2.3-52         plotly_4.7.1        
 [6] htmlwidgets_1.2      leaflet_2.0.0        raster_2.6-7         mapview_2.4.0        scales_0.5.0        
[11] RPostgreSQL_0.6-2    DBI_0.8              broom_0.4.4          maps_3.3.0           knitr_1.20          
[16] rmarkdown_1.9        maptools_0.9-2       sp_1.2-7             lazyeval_0.2.1       nortest_1.0-4       
[21] reshape2_1.4.3       jsonlite_1.5         forcats_0.3.0        stringr_1.3.1        dplyr_0.7.4         
[26] purrr_0.2.4          readr_1.1.1          tidyr_0.8.0          tibble_1.4.2         ggplot2_2.2.1       
[31] tidyverse_1.2.1      anytime_0.3.0        lubridate_1.7.4      sf_0.6-3             pacman_0.4.6        
[36] here_0.1             shiny_1.1.0         

loaded via a namespace (and not attached):
 [1] colorspace_1.3-2    class_7.3-14        gdalUtils_2.0.1.14  rgdal_1.2-20        rprojroot_1.3-2    
 [6] satellite_1.0.1     base64enc_0.1-3     rstudioapi_0.7      RApiDatetime_0.0.3  xml2_1.2.0         
[11] splines_3.4.4       codetools_0.2-15    R.methodsS3_1.7.1   mnormt_1.5-5        shinythemes_1.1.1  
[16] shinyMlr_1.0        png_0.1-7           R.oo_1.22.0         compiler_3.4.4      httr_1.3.1         
[21] backports_1.1.2     Matrix_1.2-14       assertthat_0.2.0    cli_1.0.0           later_0.7.2        
[26] htmltools_0.3.6     tools_3.4.4         bindrcpp_0.2.2      gtable_0.2.0        glue_1.2.0         
[31] Rcpp_0.12.16        parallelMap_1.3     cellranger_1.1.0    nlme_3.1-137        udunits2_0.13      
[36] iterators_1.0.9     crosstalk_1.0.0     psych_1.8.3.3       rvest_0.3.2         mime_0.5           
[41] devtools_1.13.5     hms_0.4.2           promises_1.0.1      parallel_3.4.4      BBmisc_1.11        
[46] yaml_2.1.19         curl_3.2            memoise_1.1.0       stringi_1.2.2       foreach_1.4.4      
[51] spDataLarge_0.2.6.5 e1071_1.6-8         checkmate_1.8.5     spData_0.2.8.3      rlang_0.2.0        
[56] pkgconfig_2.0.1     evaluate_0.10.1     lattice_0.20-35     bindr_0.1.1         plyr_1.8.4         
[61] magrittr_1.5        R6_2.2.2            pillar_1.2.1        haven_1.1.1         foreign_0.8-69     
[66] withr_2.1.2         units_0.5-1         survival_2.41-3     modelr_0.1.1        crayon_1.3.4       
[71] grid_3.4.4          readxl_1.0.0        data.table_1.11.4   git2r_0.21.0        digest_0.6.15      
[76] classInt_0.2-3      webshot_0.5.0       xtable_1.8-2        httpuv_1.4.3        R.utils_2.6.0      
[81] stats4_3.4.4        munsell_0.4.3       viridisLite_0.3.0  

> traceback()
13: .Call("_later_execCallbacks", PACKAGE = "later", timeoutSecs)
12: execCallbacks(timeoutSecs)
11: run_now(timeoutMs/1000)
10: service(timeout)
9: serviceApp()
8: ..stacktracefloor..(serviceApp())
7: withCallingHandlers(expr, error = doCaptureStack)
6: globals$domain$wrapSync(expr)
5: promises::with_promise_domain(createStackTracePromiseDomain(), 
       expr)
4: captureStackTraces({
       while (!.globals$stopped) {
           ..stacktracefloor..(serviceApp())
           Sys.sleep(0.001)
       }
   })
3: ..stacktraceoff..(captureStackTraces({
       while (!.globals$stopped) {
           ..stacktracefloor..(serviceApp())
           Sys.sleep(0.001)
       }
   }))
2: runApp(appDir = system.file("application", package = "shinyMlr"), 
       ...)
1: shinyMlr::runShinyMlr()

When I try the solution proposed by @jakob-r shiny::runApp(appDir = [path to some shiny app]) with another shiny app everything works fine.

Hope we could find a way to fix this ;)

[Coorsaa]

this should be fixed now