Shiny App running on RStudio-Connect fails

2022/09/28 11:29:38 AM:

    Linux distribution: Ubuntu 20.04.5 LTS (focal)
  

  
    
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    Server version: 2022.09.0
  

  
    
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    LANG: en_US.UTF-8
  

  
    
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    Working directory: /opt/rstudio-connect/mnt/app
  

  
    
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    Running content using its packrat R library
  

  
    
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    Using Packrat dir /opt/rstudio-connect/mnt/app/packrat/lib/x86_64-pc-linux-gnu/4.1.3
  

  
    
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    R version: 4.1.3
  

  
    
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    shiny version: 1.7.1
  

  
    
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    httpuv version: 1.6.5
  

  
    
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    rmarkdown version: 2.11
  

  
    
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    knitr version: 1.37
  

  
    
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    jsonlite version: 1.7.3
  

  
    
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    RJSONIO version: (none)
  

  
    
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    htmltools version: 0.5.2
  

  
    
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    reticulate version: 1.24
  

  
    
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    Warning: The reticulate package is installed but no Python environment is available.
  

  
    
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    Did you forget to set the RETICULATE_PYTHON environment variable in your .Rprofile before publishing?
  

  
    
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    Using pandoc: /opt/rstudio-connect/ext/pandoc/2.16
  

  
    
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    Using Shiny bookmarking base directory /opt/rstudio-connect/mnt/bookmarks
  

  
    
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    Starting R with process ID: '3172'
  

  
    
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    Shiny application starting ...
  

  
    
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    Listening on http://127.0.0.1:40671
  

  
    
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    Loading required package: shinyWidgets
  

  
    
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    Loading required package: DT
  

  
    
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    Attaching package: ‘DT’
  

  
    
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    The following objects are masked from ‘package:shiny’:
  

  
    
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        dataTableOutput, renderDataTable
  

  
    
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    Loading required package: reticulate
  

  
    
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    Loading required package: tidyverse
  

  
    
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    ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.1 ──
  

  
    
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    ✔ ggplot2 3.3.5     ✔ purrr   0.3.4
  

  
    
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    ✔ tibble  3.1.6     ✔ dplyr   1.0.7
  

  
    
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    ✔ tidyr   1.1.4     ✔ stringr 1.4.0
  

  
    
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    ✔ readr   2.1.1     ✔ forcats 0.5.1
  

  
    
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    ── Conflicts ────────────────────────────────────────── tidyverse_conflicts() ──
  

  
    
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    ✖ dplyr::filter() masks stats::filter()
  

  
    
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    ✖ dplyr::lag()    masks stats::lag()
  

  
    
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    Loading required package: seqinr
  

  
    
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    Attaching package: ‘seqinr’
  

  
    
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    The following object is masked from ‘package:dplyr’:
  

  
    
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        count
  

  
    
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    The following object is masked from ‘package:shiny’:
  

  
    
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        a
  

  
    
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    Loading required package: plotly
  

  
    
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    Attaching package: ‘plotly’
  

  
    
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    The following object is masked from ‘package:ggplot2’:
  

  
    
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        last_plot
  

  
    
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    The following object is masked from ‘package:stats’:
  

  
    
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        filter
  

  
    
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    The following object is masked from ‘package:graphics’:
  

  
    
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        layout
  

  
    
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    Loading required package: bslib
  

  
    
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    Attaching package: ‘bslib’
  

  
    
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    The following object is masked from ‘package:utils’:
  

  
    
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        page
  

  
    
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    Warning: Error in system2: error in running command
  

  
    
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      69: system2
  

  
    
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      68: python_version
  

  
    
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      67: virtualenv_module
  

  
    
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      65: reticulate::virtualenv_create
  

  
    
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      61: server [/opt/rstudio-connect/mnt/app/server.R#9]
  

  
    
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    Error in system2(python, args, stdout = TRUE, stderr = FALSE) : 
  

  
    
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      error in running command
  

  
    
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    [rsc-session] Received signal: interrupt
  

  
    
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    [rsc-session] Terminating subprocess with SIGINT ...
  

  
    
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    Execution halted
  

  
    
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    Shiny application exiting ...
  

  
    
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    [rsc-session] Terminated subprocess with signal: interrupt

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