Problem fetching bootstrap

[elinw]

Back on November 27 I was able to create postcards on RStudioServer. But now when I try it with the current version of Postcards I get

output file: jolla.knit.md

Could not fetch https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css HttpExceptionRequest Request { host = "stackpath.bootstrapcdn.com" port = 443 secure = True requestHeaders = [] path = "/bootstrap/4.5.0/css/bootstrap.min.css" queryString = "" method = "GET" proxy = Nothing rawBody = False redirectCount = 10 responseTimeout = ResponseTimeoutDefault requestVersion = HTTP/1.1 proxySecureMode = ProxySecureWithConnect } (ConnectionFailure Network.Socket.getAddrInfo (called with preferred socket type/protocol: AddrInfo {addrFlags = [AI_ADDRCONFIG], addrFamily = AF_UNSPEC, addrSocketType = Stream, addrProtocol = 0, addrAddress = 0.0.0.0:0, addrCanonName = Nothing}, host name: Just "stackpath.bootstrapcdn.com", service name: Just "443"): does not exist (Name does not resolve)) Error: pandoc document conversion failed with error 61 Execution halted

Maybe this has to do with cross-site scripting or something like that. Do you have any thoughts?

[seankross]

Was this on a hosted RStudioServer session or were you running it locally?

[elinw]

Hosted. I'm pretty sure the answer is to detect whether you are on RStudioServer and then, if so, not do the injections that were added.

[seankross]

Which injections exactly? This sounds like something I can tweak in the pandoc arguments.

[elinw]

So I tried deleting the actual not injected and

    $for(header-includes)$
      $header-includes$
    $endfor$

And the one at the end, but I don't think that's the issue. (Just a coincidence of timing maybe).

[elinw]

So what I was able to do is to remove the and

[elinw]

https://github.com/seankross/postcards/compare/main...elinw:rsserver?expand=1 Seems to have things working on my server ... I don't know how to know if there is a more general problem or if it is my particular combination of libraries, version and server.

Having done this, it seems like there are still problems with jolla-blue if I make a lot of postcards in a row. (took out jolla which seems to work now but jolla blue is not picking up the css). update: for some reason when jolla-blue knits it is stripping the "https://" from the bootstrap and google fonts links. So strange, I do not see anything obvious that would cause that.

[pherephobia]

Hi, I also encounter similar issues.

Below is my sessionInfo.

==================================================================

sessioninfo::session_info()

• Session info --------------------------------------------------------------------------------------- setting value
  version R version 4.0.3 (2020-10-10) os Windows 10 x64
  system x86_64, mingw32
  ui RStudio
  language (EN)
  collate English_United States.1252
  ctype English_United States.1252
  tz America/New_York
  date 2021-02-02

• Packages ------------------------------------------------------------------------------------------- ! package * version date lib source
  assertthat 0.2.1 2019-03-21 [1] CRAN (R 4.0.0) cli 2.2.0 2020-11-20 [1] CRAN (R 4.0.3) crayon 1.3.4 2017-09-16 [1] CRAN (R 4.0.0) D digest 0.6.27 2020-10-24 [1] CRAN (R 4.0.3) evaluate 0.14 2019-05-28 [1] CRAN (R 4.0.0) fansi 0.4.2 2021-01-15 [1] CRAN (R 4.0.3) D glue 1.4.2 2020-08-27 [1] CRAN (R 4.0.2) htmltools 0.5.1.1 2021-01-22 [1] CRAN (R 4.0.3) knitr 1.31 2021-01-27 [1] CRAN (R 4.0.3) postcards * 0.2.0 2021-01-06 [1] CRAN (R 4.0.3) rlang 0.4.10 2020-12-30 [1] CRAN (R 4.0.3) rmarkdown 2.6 2020-12-14 [1] CRAN (R 4.0.3) rstudioapi 0.13 2020-11-12 [1] CRAN (R 4.0.3) sessioninfo 1.1.1 2018-11-05 [1] CRAN (R 4.0.0) withr 2.4.1 2021-01-26 [1] CRAN (R 4.0.3) xfun 0.20 2021-01-06 [1] CRAN (R 4.0.3) yaml 2.2.1 2020-02-01 [1] CRAN (R 4.0.0)

[1] C:/Users/phere/Dropbox/My PC (DESKTOP-5O211OK)/Documents/R/win-library/4.0 [2] C:/Program Files/R/R-4.0.3/library

D -- DLL MD5 mismatch, broken installation.

==============================================================

And error messages are like below:

Could not fetch https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css HttpExceptionRequest Request { host = "stackpath.bootstrapcdn.com" port = 443 secure = True requestHeaders = [] path = "/bootstrap/4.5.0/css/bootstrap.min.css" queryString = "" method = "GET" proxy = Nothing rawBody = False redirectCount = 10 responseTimeout = ResponseTimeoutDefault requestVersion = HTTP/1.1 } (InternalException (HandshakeFailed (Error_Misc "Network.Socket.recvBuf: invalid argument (Invalid argument)"))) Error: pandoc document conversion failed with error 61 Execution halted

[seankross]

Hey @elinw and @pherephobia in the environment where you are encountering this error what version of pandoc are you using? (check with rmarkdown::pandoc_version())

[pherephobia]

@seankross When I encounter the issue, I reinstalled the markdown pandoc using

• remotes::install_github("rstudio/rmarkdown")

And the version is like below:

rmarkdown::pandoc_version() [1] ‘2.11.2’

[seankross]

@pherephobia that is good for me to know, so now is it still not working?

[pherephobia]

@seankross It still shows the same error when I try to knit the index.Rmd.

Could not fetch https://code.jquery.com/jquery-3.5.1.slim.min.js HttpExceptionRequest Request { host = "code.jquery.com" port = 443 secure = True requestHeaders = [] path = "/jquery-3.5.1.slim.min.js" queryString = "" method = "GET" proxy = Nothing rawBody = False redirectCount = 10 responseTimeout = ResponseTimeoutDefault requestVersion = HTTP/1.1 } (InternalException (HandshakeFailed (Error_Misc "Network.Socket.recvBuf: invalid argument (Invalid argument)"))) Error: pandoc document conversion failed with error 61 Execution halted

[seankross]

@pherephobia would you mind trying the following?

1. Install postcards from a new branch: remotes::install_github("seankross/postcards@self-contained")
2. Restart R
3. Change the yaml like so:

output:
  postcards::jolla:
    self_contained: false

4. Then try to knit again.

[pherephobia]

SOLVED: Dear @seankross, It knitted HTML but it broke.

When I changed my directory to local, it works perfectly. I have used my project in Dropbox before.

[englianhu]

SOLVED: Dear @seankross, It knitted HTML but it broke.

When I changed my directory to local, it works perfectly. I have used my project in Dropbox before.

(ConnectionFailure Network.Socket.getAddrInfo (called with preferred socket type/protocol: AddrInfo {addrFlags = [AI_ADDRCONFIG], addrFamily = AF_UNSPEC, addrSocketType = Stream, addrProtocol = 0, addrAddress = 0.0.0.0:0, addrCanonName = Nothing}, host name: Just "www.youtube.com", service name: Just "443"): does not exist (Try again))
错误: pandoc document conversion failed with error 61

Based on the error above, that's socket 443 issue...

443端口：即网页浏览端口，主要是用于HTTPS服务，是提供加密和通过安全端口传输的另一种HTTP。

443端口：HTTPS服务一般是通过SSL（安全套接字层）来保证安全性的，但是SSL漏洞可能会受到黑客的攻击，比如可以黑掉在线银行系统，盗取信用卡账号等。

https://zhuanlan.zhihu.com/p/99950177

https://sectigostore.com/blog/port-443-everything-you-need-to-know-about-https-443

---

(ConnectionFailure Network.Socket.getAddrInfo (called with preferred socket type/protocol: AddrInfo {addrFlags = [AI_ADDRCONFIG], addrFamily = AF_UNSPEC, addrSocketType = Stream, addrProtocol = 0, addrAddress = 0.0.0.0:0, addrCanonName = Nothing}, host name: Just "stackpath.bootstrapcdn.com", service name: Just "443"): does not exist (Name does not resolve))
Error: pandoc document conversion failed with error 61
Execution halted

SOLVED: Dear @seankross, It knitted HTML but it broke.

When I changed my directory to local, it works perfectly. I have used my project in Dropbox before.

https://github.com/seankross/postcards/issues/29#issuecomment-772869864

That's same error which is socket 443 problem as well... The problem for me is that my local Linux 🐧 same with RStudio.Cloud... Somebody take a look and discuss?

• Believed that the socket 443 has love scammer concerns
• Don't get involve my families (all ✈️MH17 victims since Ukraine event which do not get involved in gambling nor scammer) and I am also victim used to cheat by recruitment agency to Philippines year 2019, I am not scammer but only quantitative trading in financial market (but not gambling market nor scammer).