* using log directory 'd:/Rcompile/CRANpkg/local/4.4/pool.Rcheck'
* using R version 4.4.1 (2024-06-14 ucrt)
* using platform: x86_64-w64-mingw32
* R was compiled by
    gcc.exe (GCC) 13.2.0
    GNU Fortran (GCC) 13.2.0
* running under: Windows Server 2022 x64 (build 20348)
* using session charset: UTF-8
* checking for file 'pool/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'pool' version '1.0.3'
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking whether package 'pool' can be installed ... OK
* checking installed package size ... OK
* checking package directory ... OK
* checking 'build' directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking code files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... [1s] OK
* checking whether the package can be loaded with stated dependencies ... [1s] OK
* checking whether the package can be unloaded cleanly ... [1s] OK
* checking whether the namespace can be loaded with stated dependencies ... [1s] OK
* checking whether the namespace can be unloaded cleanly ... [1s] OK
* checking loading without being on the library search path ... [1s] OK
* checking whether startup messages can be suppressed ... [1s] OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... [4s] OK
* checking Rd files ... [1s] OK
* checking Rd metadata ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking installed files from 'inst/doc' ... OK
* checking files in 'vignettes' ... OK
* checking examples ... [2s] ERROR
Running examples in 'pool-Ex.R' failed
The error most likely occurred in:

> ### Name: dbPool
> ### Title: Create a pool of database connections
> ### Aliases: dbPool
> 
> ### ** Examples
> 
> # You use a dbPool in the same way as a standard DBI connection
> pool <- dbPool(RSQLite::SQLite())
> pool
<Pool> of SQLiteConnection objects
  Objects checked out: 0
  Available in pool: 1
  Max size: Inf
  Valid: TRUE
> 
> DBI::dbWriteTable(pool, "mtcars", mtcars)
> dbGetQuery(pool, "SELECT * FROM mtcars LIMIT 4")
   mpg cyl disp  hp drat    wt  qsec vs am gear carb
1 21.0   6  160 110 3.90 2.620 16.46  0  1    4    4
2 21.0   6  160 110 3.90 2.875 17.02  0  1    4    4
3 22.8   4  108  93 3.85 2.320 18.61  1  1    4    1
4 21.4   6  258 110 3.08 3.215 19.44  1  0    3    1
> 
> # Always close a pool when you're done using it
> poolClose(pool)
> 
> # Using the RMySQL package
> if (requireNamespace("RMySQL", quietly = TRUE)) {
+   pool <- dbPool(
+     drv = RMySQL::MySQL(),
+     dbname = "shinydemo",
+     host = "shiny-demo.csa7qlmguqrf.us-east-1.rds.amazonaws.com",
+     username = "guest",
+     password = "guest"
+   )
+ 
+   dbGetQuery(pool, "SELECT * from City LIMIT 5;")
+ 
+   poolClose(pool)
+ }
Error in .local(drv, ...) : 
  Failed to connect to database: Error: Unknown server host 'shiny-demo.csa7qlmguqrf.us-east-1.rds.amazonaws.com' (11001)
Calls: dbPool ... <Anonymous> -> dbConnect -> dbConnect -> .local -> .Call
Execution halted
* checking for unstated dependencies in 'tests' ... OK
* checking tests ... [6s] OK
  Running 'testthat.R' [6s]
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes ... OK
* checking re-building of vignette outputs ... [2s] ERROR
Error(s) in re-building vignettes:
--- re-building 'why-pool.Rmd' using rmarkdown

Quitting from lines 34-75 [unnamed-chunk-2] (why-pool.Rmd)
Error: processing vignette 'why-pool.Rmd' failed with diagnostics:
Failed to connect to database: Error: Unknown server host 'shiny-demo.csa7qlmguqrf.us-east-1.rds.amazonaws.com' (11001)

--- failed re-building 'why-pool.Rmd'

SUMMARY: processing the following file failed:
  'why-pool.Rmd'

Error: Vignette re-building failed.
Execution halted

* checking PDF version of manual ... [28s] OK
* checking HTML version of manual ... [2s] OK
* DONE
Status: 2 ERRORs