将闪亮的应用程序上传到服务器时的JSON问题。我如何解决它?

时间:2018-10-04 17:57:52

标签: r shiny

我有一个简单的闪亮应用程序,可以毫无问题地在本地运行它。但是,当我尝试将其发布到服务器时,出现以下错误。我什至不知道如何开始诊断问题。关于此主题的其他主题没有帮助。

我尝试更改R的版本,重新输入应用程序代码,更改编码类型。。

   library(shiny)

server <- function(input,output){

}
ui <- shinyUI(
  textInput("emailText","","")
)

shinyApp(ui=ui,server=server)


Preparing to deploy application...DONE
Uploading bundle for application: 21...DONE
Deploying bundle: 50 for application: 21 ...
Building Shiny application...
Bundle requested R version 3.4.3; using /usr/local/bin/R which has version 3.4.3
Error in fromJSON(content, handler, default.size, depth, allowComments,  : 
  invalid JSON input
Calls: <Anonymous> ... <Anonymous> -> <Anonymous> -> fromJSON -> fromJSON -> .Call
Execution halted

R version 3.5.0 (2018-04-23)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows >= 8 x64 (build 9200)

Matrix products: default

locale:
[1] LC_COLLATE=English_United States.1252  LC_CTYPE=English_United States.1252    LC_MONETARY=English_United States.1252
[4] LC_NUMERIC=C                           LC_TIME=English_United States.1252    

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

other attached packages:
[1] shiny_1.1.0 sp_1.3-1   

loaded via a namespace (and not attached):
 [1] Rcpp_0.12.18    lattice_0.20-35 packrat_0.4.9-3 digest_0.6.15   later_0.7.3     mime_0.5        grid_3.5.0     
 [8] R6_2.2.2        jsonlite_1.5    xtable_1.8-2    magrittr_1.5    promises_1.0.1  RJSONIO_1.3-0   tools_3.5.0    
[15] httpuv_1.4.5    rsconnect_0.8.9 compiler_3.5.0  htmltools_0.3.6 openssl_1.0.2 

0 个答案:

没有答案