Running examples in ‘RCurl-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: getCurlHandle
> ### Title: Create libcurl handles
> ### Aliases: getCurlHandle getCurlMultiHandle dupCurlHandle
> ### Keywords: IO
> 
> ### ** Examples
> 
> 
>   options(RCurlOptions = list(verbose = TRUE,
+                               followlocation = TRUE,
+                               autoreferer = TRUE,
+                               nosignal = TRUE))
>   if(url.exists("https://r-project.org")) {
+      x = getURL("https://r-project.org")
+         # here we override one of these.
+      x = getURL("https://r-project.org", verbose = FALSE)
+   }
* Host r-project.org:443 was resolved.
* IPv6: (none)
* IPv4: 137.208.57.37
*   Trying 137.208.57.37:443...
* ALPN: curl offers h2,http/1.1
* SSL Trust Anchors:
*   CAfile: /etc/ssl/certs/ca-certificates.crt
*   CApath: /etc/ssl/certs
* SSL connection using TLSv1.3 / TLS_AES_256_GCM_SHA384 / x25519 / RSASSA-PSS
* ALPN: server accepted h2
* Server certificate:
*   subject: CN=*.r-project.org
*   start date: Dec 16 00:00:00 2025 GMT
*   expire date: Jan 16 23:59:59 2027 GMT
*   issuer: C=GB; O=Sectigo Limited; CN=Sectigo Public Server Authentication CA DV R36
*   Certificate level 0: Public key type RSA (2048/112 Bits/secBits), signed using sha256WithRSAEncryption
*   Certificate level 1: Public key type RSA (3072/128 Bits/secBits), signed using sha384WithRSAEncryption
*   Certificate level 2: Public key type RSA (4096/152 Bits/secBits), signed using sha384WithRSAEncryption
*   subjectAltName: "r-project.org" matches cert's "r-project.org"
* OpenSSL verify result: 0
* SSL certificate verified via OpenSSL.
* Established connection to r-project.org (137.208.57.37 port 443) from 137.208.57.30 port 43284 
* using HTTP/2
* [HTTP/2] [1] OPENED stream for https://r-project.org/
* [HTTP/2] [1] [:method: HEAD]
* [HTTP/2] [1] [:scheme: https]
* [HTTP/2] [1] [:authority: r-project.org]
* [HTTP/2] [1] [:path: /]
* [HTTP/2] [1] [accept: */*]
> HEAD / HTTP/2
Host: r-project.org
Accept: */*

* Request completely sent off
< HTTP/2 301 
< location: https://www.r-project.org/
< content-type: text/html; charset=iso-8859-1
< date: Mon, 10 Aug 2026 12:39:50 GMT
< server: Apache
* Ignoring the response-body
< 
* Connection #0 to host r-project.org:443 left intact
* Issue another request to this URL: 'https://www.r-project.org/'
* Host www.r-project.org:443 was resolved.
* IPv6: (none)
* IPv4: 137.208.57.37
*   Trying 137.208.57.37:443...
* ALPN: curl offers h2,http/1.1
* SSL Trust Anchors:
*   CAfile: /etc/ssl/certs/ca-certificates.crt
*   CApath: /etc/ssl/certs
* SSL connection using TLSv1.3 / TLS_AES_256_GCM_SHA384 / x25519 / RSASSA-PSS
* ALPN: server accepted h2
* Server certificate:
*   subject: CN=*.r-project.org
*   start date: Dec 16 00:00:00 2025 GMT
*   expire date: Jan 16 23:59:59 2027 GMT
*   issuer: C=GB; O=Sectigo Limited; CN=Sectigo Public Server Authentication CA DV R36
*   Certificate level 0: Public key type RSA (2048/112 Bits/secBits), signed using sha256WithRSAEncryption
*   Certificate level 1: Public key type RSA (3072/128 Bits/secBits), signed using sha384WithRSAEncryption
*   Certificate level 2: Public key type RSA (4096/152 Bits/secBits), signed using sha384WithRSAEncryption
*   subjectAltName: "www.r-project.org" matches cert's "*.r-project.org"
* OpenSSL verify result: 0
* SSL certificate verified via OpenSSL.
* Established connection to www.r-project.org (137.208.57.37 port 443) from 137.208.57.30 port 43290 
* using HTTP/2
* [HTTP/2] [1] OPENED stream for https://www.r-project.org/
* [HTTP/2] [1] [:method: HEAD]
* [HTTP/2] [1] [:scheme: https]
* [HTTP/2] [1] [:authority: www.r-project.org]
* [HTTP/2] [1] [:path: /]
* [HTTP/2] [1] [accept: */*]
* [HTTP/2] [1] [referer: https://r-project.org/]
> HEAD / HTTP/2
Host: www.r-project.org
Accept: */*
Referer: https://r-project.org/

* Request completely sent off
< HTTP/2 200 
< last-modified: Wed, 24 Jun 2026 08:10:01 GMT
< etag: "192f-654fb6701b7c3"
< accept-ranges: bytes
< content-length: 6447
< vary: Accept-Encoding
< content-type: text/html
< date: Mon, 10 Aug 2026 12:39:50 GMT
< server: Apache
< 
* Connection #1 to host www.r-project.org:443 left intact
* Host r-project.org:443 was resolved.
* IPv6: (none)
* IPv4: 137.208.57.37
*   Trying 137.208.57.37:443...
* ALPN: curl offers h2,http/1.1
* SSL Trust Anchors:
*   CAfile: /etc/ssl/certs/ca-certificates.crt
*   CApath: /etc/ssl/certs
* SSL connection using TLSv1.3 / TLS_AES_256_GCM_SHA384 / x25519 / RSASSA-PSS
* ALPN: server accepted h2
* Server certificate:
*   subject: CN=*.r-project.org
*   start date: Dec 16 00:00:00 2025 GMT
*   expire date: Jan 16 23:59:59 2027 GMT
*   issuer: C=GB; O=Sectigo Limited; CN=Sectigo Public Server Authentication CA DV R36
*   Certificate level 0: Public key type RSA (2048/112 Bits/secBits), signed using sha256WithRSAEncryption
*   Certificate level 1: Public key type RSA (3072/128 Bits/secBits), signed using sha384WithRSAEncryption
*   Certificate level 2: Public key type RSA (4096/152 Bits/secBits), signed using sha384WithRSAEncryption
*   subjectAltName: "r-project.org" matches cert's "r-project.org"
* OpenSSL verify result: 0
* SSL certificate verified via OpenSSL.
* Established connection to r-project.org (137.208.57.37 port 443) from 137.208.57.30 port 43306 
* using HTTP/2
* [HTTP/2] [1] OPENED stream for https://r-project.org/
* [HTTP/2] [1] [:method: GET]
* [HTTP/2] [1] [:scheme: https]
* [HTTP/2] [1] [:authority: r-project.org]
* [HTTP/2] [1] [:path: /]
* [HTTP/2] [1] [accept: */*]
> GET / HTTP/2
Host: r-project.org
Accept: */*

* Request completely sent off
< HTTP/2 301 
< location: https://www.r-project.org/
< content-length: 338
< content-type: text/html; charset=iso-8859-1
< date: Mon, 10 Aug 2026 12:39:50 GMT
< server: Apache
* Ignoring the response-body
* setting size while ignoring
< 
* Connection #0 to host r-project.org:443 left intact
* Issue another request to this URL: 'https://www.r-project.org/'
* Host www.r-project.org:443 was resolved.
* IPv6: (none)
* IPv4: 137.208.57.37
*   Trying 137.208.57.37:443...
* ALPN: curl offers h2,http/1.1
* SSL Trust Anchors:
*   CAfile: /etc/ssl/certs/ca-certificates.crt
*   CApath: /etc/ssl/certs
* SSL connection using TLSv1.3 / TLS_AES_256_GCM_SHA384 / x25519 / RSASSA-PSS
* ALPN: server accepted h2
* Server certificate:
*   subject: CN=*.r-project.org
*   start date: Dec 16 00:00:00 2025 GMT
*   expire date: Jan 16 23:59:59 2027 GMT
*   issuer: C=GB; O=Sectigo Limited; CN=Sectigo Public Server Authentication CA DV R36
*   Certificate level 0: Public key type RSA (2048/112 Bits/secBits), signed using sha256WithRSAEncryption
*   Certificate level 1: Public key type RSA (3072/128 Bits/secBits), signed using sha384WithRSAEncryption
*   Certificate level 2: Public key type RSA (4096/152 Bits/secBits), signed using sha384WithRSAEncryption
*   subjectAltName: "www.r-project.org" matches cert's "*.r-project.org"
* OpenSSL verify result: 0
* SSL certificate verified via OpenSSL.
* Established connection to www.r-project.org (137.208.57.37 port 443) from 137.208.57.30 port 43312 
* using HTTP/2
* [HTTP/2] [1] OPENED stream for https://www.r-project.org/
* [HTTP/2] [1] [:method: GET]
* [HTTP/2] [1] [:scheme: https]
* [HTTP/2] [1] [:authority: www.r-project.org]
* [HTTP/2] [1] [:path: /]
* [HTTP/2] [1] [accept: */*]
* [HTTP/2] [1] [referer: https://r-project.org/]
> GET / HTTP/2
Host: www.r-project.org
Accept: */*
Referer: https://r-project.org/

* Request completely sent off
< HTTP/2 200 
< last-modified: Wed, 24 Jun 2026 08:10:01 GMT
< etag: "192f-654fb6701b7c3"
< accept-ranges: bytes
< content-length: 6447
< vary: Accept-Encoding
< content-type: text/html
< date: Mon, 10 Aug 2026 12:39:50 GMT
< server: Apache
< 
* Connection #1 to host www.r-project.org:443 left intact
Error in (function (type, msg, asError = TRUE)  : 
  Could not resolve host: r-project.org
Calls: getURL -> curlPerform -> <Anonymous> -> fun
Execution halted