Hi, I'm trying to publish my Shiny app to the shinyapps.io server. The app works fine locally on my computer but when I publish it, the following error message appears. Any ideas on how I can fix this? Thanks a lot.
The application failed to start (exited with code 1).
Error in value[[3L]](cond) : invalid multibyte string at '<a0>class'
Calls: local ... tryCatch -> tryCatchList -> tryCatchOne -> <Anonymous>
Execution halted
OK sorry, I'm new to this. Below is my code. The data set is obtained from the following link
magic <- read.csv("magic.csv")
library(shiny)
library(rsconnect)
magic$class <- factor(magic$class)
magic <- as.data.frame(magic)
ui <- fluidPage(
titlePanel("Telescope measurements by class of radiation"),
sidebarLayout(
sidebarPanel(
selectInput(inputId = "p", label = "Select measurement:",
choices = c("fLength" = "fLength",
"fWidth" = "fWidth",
"fSize" = "fSize",
"fConc" = "fConc",
"fConc1" = "fConc1",
"fAsym" = "fAsym",
"fM3Long" = "fM3Long",
"fM3Trans" = "fM3Trans",
"fAlpha" = "fAlpha",
"fDist" = "fDist" )),
checkboxInput(inputId = "outliers",
label = "Show outliers", TRUE),
checkboxInput(inputId = "notches", label = "Show notches", FALSE)
),
mainPanel(
plotOutput("myplot")
)
)
)
server <- function(input, output, session) {
ghcol <- c("indianred2", "slateblue1")
output$myplot <- renderPlot({
boxplot(magic[,input$p]~magic$class,
names = c("Gamma (Signal)", "Hadron (Background)"),
col = ghcol,
main = paste(input$p),
outline = input$outliers,
xlab = "Radiation Class",
cex.axis = 0.9,
notch = input$notches
)
})
}
shinyApp(ui, server)
Did the application fail to deploy, or it deployed and immediately exited giving the grey screen?
What is the output of rsconnect::appDependencies() and sessionInfo()?
Hi Josh, I think it does deploy as there is a link to the app on my shiny server account https://dalyoi.shinyapps.io/17116155_project/
If you click that, it just brings up the error I described in the original post.
The outputs are as follows;
> rsconnect::appDependencies()
Error in bundleFiles(appDir) :
The directoryC:/Users/oisin/Documentscannot be deployed because it contains too many files (the maximum number of files is 10000). Remove some files or adjust the rsconnect.max.bundle.files option.
> sessionInfo()
R version 3.5.1 (2018-07-02)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows >= 8 x64 (build 9200)
Matrix products: default
locale:
[1] LC_COLLATE=English_Ireland.1252 LC_CTYPE=English_Ireland.1252 LC_MONETARY=English_Ireland.1252
[4] LC_NUMERIC=C LC_TIME=English_Ireland.1252
attached base packages:
[1] parallel stats graphics grDevices utils datasets methods base
other attached packages:
[1] rsconnect_0.8.8 shiny_1.1.0 kernlab_0.9-26 xgboost_0.71.2 adabag_4.2
[6] doParallel_1.0.11 iterators_1.0.10 foreach_1.4.4 rpart_4.1-13 fastAdaboost_1.0.0
[11] e1071_1.7-0 ipred_0.9-6 rattle_5.1.0 caTools_1.17.1.1 mboost_2.9-0
[16] stabs_0.6-3 plyr_1.8.4 ROSE_0.0-3 caret_6.0-80 ggplot2_3.0.0
[21] lattice_0.20-35
loaded via a namespace (and not attached):
[1] nlme_3.1-137 bitops_1.0-6 lubridate_1.7.4 dimRed_0.1.0 tools_3.5.1
[6] backports_1.1.2 R6_2.2.2 lazyeval_0.2.1 colorspace_1.3-2 nnet_7.3-12
[11] withr_2.1.2 tidyselect_0.2.4 compiler_3.5.1 scales_0.5.0 sfsmisc_1.1-2
[16] DEoptimR_1.0-8 nnls_1.4 mvtnorm_1.0-8 robustbase_0.93-2 quadprog_1.5-5
[21] stringr_1.3.1 digest_0.6.15 pkgconfig_2.0.1 htmltools_0.3.6 rlang_0.2.1
[26] ddalpha_1.3.4 bindr_0.1.1 jsonlite_1.5 dplyr_0.7.6 ModelMetrics_1.1.0
[31] RCurl_1.95-4.11 magrittr_1.5 Formula_1.2-3 Matrix_1.2-14 Rcpp_0.12.18
[36] munsell_0.5.0 abind_1.4-5 partykit_1.2-2 stringi_1.2.4 inum_1.0-0
[41] RJSONIO_1.3-0 MASS_7.3-50 recipes_0.1.3 grid_3.5.1 pls_2.6-0
[46] promises_1.0.1 crayon_1.3.4 splines_3.5.1 pillar_1.3.0 reshape2_1.4.3
[51] codetools_0.2-15 stats4_3.5.1 CVST_0.2-2 magic_1.5-8 glue_1.3.0
[56] data.table_1.11.4 httpuv_1.4.5 gtable_0.2.0 purrr_0.2.5 tidyr_0.8.1
[61] assertthat_0.2.0 DRR_0.0.3 gower_0.1.2 mime_0.5 prodlim_2018.04.18
[66] xtable_1.8-2 libcoin_1.0-1 broom_0.5.0 later_0.7.3 class_7.3-14
[71] survival_2.42-3 geometry_0.3-6 timeDate_3043.102 RcppRoll_0.3.0 tibble_1.4.2
[76] bindrcpp_0.2.2 lava_1.6.2 RGtk2_2.20.35
Are you running rsconnect::appDependencies() while your current directory is your application directory? If not, could you? I assume you do not get that error when deploying.
I would suggest ensuring that your files are UTF-8 encoded, as I suspect that is the nature of the error message you are seeing.