Error: Timeout was reached #22
Comments
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Sorry to hear @ajorstad . I will reach out to Unpaywall team, seems that the API get stuck somehow |
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Thanks, I look forward to the response! |
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Unpaywall Data has had some occasional slow downs recently due to heavy use, but the underlying infrastructure will be updated in the next weeks. In the meanwhile, you could try catching these errors. Here's an reproducible example based on 100 random dois using the purrr::safely function. library(roadoi)
library(rcrossref)
library(tidyverse)
#> ── Attaching packages ─────────────────────────────────────────────────────────────── tidyverse 1.2.1 ──
#> ✔ ggplot2 2.2.1 ✔ purrr 0.2.4
#> ✔ tibble 1.4.2 ✔ dplyr 0.7.4
#> ✔ tidyr 0.8.0 ✔ stringr 1.3.0
#> ✔ readr 1.1.1 ✔ forcats 0.2.0
#> ── Conflicts ────────────────────────────────────────────────────────────────── tidyverse_conflicts() ──
#> ✖ dplyr::filter() masks stats::filter()
#> ✖ dplyr::lag() masks stats::lag()
# get 100 random dois from work published in Nature (`issn = "1476-4687"`) from Crossref
random_dois <- rcrossref::cr_r(sample = 100, filter = c(issn = "1476-4687"))
# call Unpaywall Data safely with purrr
my_data <- purrr::map(random_dois, .f = purrr::safely(function(x)
roadoi::oadoi_fetch(dois = x, email = "name@example.com")
))
# return tibble with results from Unpaywall data
purrr::map_df(my_data, "result")
#> # A tibble: 100 x 13
#> doi best_oa_location oa_locations data_standard is_oa journal_is_oa
#> <chr> <list> <list> <int> <lgl> <lgl>
#> 1 10.103… <tibble [1 × 8]> <tibble [1 … 2 T F
#> 2 10.103… <tibble [1 × 8]> <tibble [1 … 2 T F
#> 3 10.103… <tibble [0 × 0]> <tibble [0 … 2 F F
#> 4 10.103… <tibble [0 × 0]> <tibble [0 … 2 F F
#> 5 10.103… <tibble [1 × 8]> <tibble [1 … 2 T F
#> 6 10.103… <tibble [0 × 0]> <tibble [0 … 2 F F
#> 7 10.103… <tibble [1 × 9]> <tibble [1 … 1 T F
#> 8 10.103… <tibble [0 × 0]> <tibble [0 … 2 F F
#> 9 10.103… <tibble [0 × 0]> <tibble [0 … 1 F F
#> 10 10.103… <tibble [0 × 0]> <tibble [0 … 1 F F
#> # ... with 90 more rows, and 7 more variables: journal_issns <chr>,
#> # journal_name <chr>, publisher <chr>, title <chr>, year <chr>,
#> # updated <chr>, non_compliant <list>
# show error messages
purrr::map(my_data, "error") %>%
purrr::compact()
#> list() |
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Thank you for your response. We will try to catch the errors as you suggest for now, and hope the infrastructure update happens soon. Thanks again. |
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Hi- I was successfully using roadoi several months ago (thanks for the tool!) on large queries, using:
But since I have come back to the project in the past two weeks, I have not been able to query more than a small number of DOIs at a time before getting the error:
For example, to extract data for 700 DOIs, I had to restart about 20 times, successfully downloading data for 5-50 DOIs at a time before timing out.
Any idea what is going wrong? I would like to be able to query tens of thousands of DOIs in the near future. Thanks for your help.
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