Hi, I'm trying to debug a Shinydashboard app. Most of the app is working fine, but a couple of tabs with multiple widgets (mostly a mix of infoBox, valueBox, and text boxes) is not rendering all of the boxes, and I can't figure out why. (Typically, one or two boxes will render, but the rest will be totally missing.) I've turned on shiny.trace, and can see correct-looking payload being sent to the client. On the client, in the JS console, I can see a bunch of errors that look like this:
htmlwidgets.js:475 Uncaught TypeError: Cannot read property 'filter' of undefined
at exports.OutputBinding.shinyBinding.find (htmlwidgets.js:475)
at a (init_shiny.js:15)
at f (init_shiny.js:215)
at Object.exports.bindAll (init_shiny.js:225)
at Object.exports.renderContent (output_binding_html.js:51)
at exports.OutputBinding.renderValue (output_binding_html.js:14)
at exports.OutputBinding.onValueChange (output_binding.js:16)
at OutputBindingAdapter.onValueChange (output_binding_adapter.js:21)
at ShinyApp.receiveOutput (shinyapp.js:350)
at ShinyApp.<anonymous> (shinyapp.js:562)
shinyBinding.find @ htmlwidgets.js:475
a @ init_shiny.js:15
f @ init_shiny.js:215
exports.bindAll @ init_shiny.js:225
exports.renderContent @ output_binding_html.js:51
renderValue @ output_binding_html.js:14
onValueChange @ output_binding.js:16
onValueChange @ output_binding_adapter.js:21
receiveOutput @ shinyapp.js:350
(anonymous) @ shinyapp.js:562
_sendMessagesToHandlers @ shinyapp.js:547
dispatchMessage @ shinyapp.js:533
c.onmessage @ shinyapp.js:112
4app.js:279 Uncaught TypeError: Cannot read property 'options' of undefined
at Object.fix (app.js:279)
at app.js:252
at dispatch (jquery.min.js:3)
at r.handle (jquery.min.js:3)
My sessionInfo is:
R version 3.4.2 (2017-09-28)
Platform: x86_64-apple-darwin16.7.0 (64-bit)
Running under: macOS High Sierra 10.13.2
Matrix products: default
BLAS: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
LAPACK: /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib
locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] bindrcpp_0.2 rredis_1.7.0 glue_1.2.0 jsonlite_1.5
[5] httr_1.3.1 pool_0.1.3 dbplyr_1.1.0 DBI_0.7-12
[9] DT_0.2 lubridate_1.7.1 magrittr_1.5 forcats_0.2.0
[13] dplyr_0.7.4 purrr_0.2.4 readr_1.1.1 tidyr_0.7.2
[17] tibble_1.3.4 ggplot2_2.2.1 tidyverse_1.2.1 stringr_1.2.0
[21] shinyBS_0.61 shinydashboard_0.6.1 shiny_1.0.5
loaded via a namespace (and not attached):
[1] bit64_0.9-7 splines_3.4.2 modelr_0.1.1 Formula_1.2-2 assertthat_0.2.0
[6] latticeExtra_0.6-28 blob_1.1.0 cellranger_1.1.0 yaml_2.1.16 backports_1.1.2
[11] lattice_0.20-35 digest_0.6.13 RColorBrewer_1.1-2 checkmate_1.8.5 rvest_0.3.2
[16] colorspace_1.3-2 htmltools_0.3.6 httpuv_1.3.5 Matrix_1.2-12 plyr_1.8.4
[21] psych_1.7.8 pkgconfig_2.0.1 RPostgres_1.0-3 broom_0.4.3 haven_1.1.0
[26] xtable_1.8-2 scales_0.5.0 later_0.6 htmlTable_1.11.0 nnet_7.3-12
[31] lazyeval_0.2.1 cli_1.0.0 mnormt_1.5-5 survival_2.41-3 crayon_1.3.4
[36] readxl_1.0.0 mime_0.5 nlme_3.1-131 xml2_1.1.1 foreign_0.8-69
[41] tools_3.4.2 data.table_1.10.4-3 hms_0.4.0 munsell_0.4.3 cluster_2.0.6
[46] compiler_3.4.2 rlang_0.1.4 grid_3.4.2 rstudioapi_0.7 htmlwidgets_0.9
[51] base64enc_0.1-3 gtable_0.2.0 curl_3.1 reshape2_1.4.3 R6_2.2.2
[56] gridExtra_2.3 knitr_1.17 bit_1.1-12 bindr_0.1 Hmisc_4.0-3
[61] stringi_1.1.6 parallel_3.4.2 Rcpp_0.12.14 rpart_4.1-11 acepack_1.4.1
Chrome Version 63.0.3239.108 (Official Build) (64-bit), and identical issue on Safari.
Some Googling suggests that errors like this have happened due to htmlwidgets and/or DataTable errors.
But, my app is working again! 
