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https://issues.apache.org/jira/browse/SPARK-38174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17490877#comment-17490877
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Maciej Szymkiewicz commented on SPARK-38174:
--------------------------------------------
Done some more digging, and I believe it has been caused by malformed response
from [https://cran.rstudio.com/web/packages/packages.rds.]
{{histogram}} example loads {{ggplot2}}
https://github.com/apache/spark/blob/d4a2e5c55d127218f6ae42925443f7d0588d5875/R/pkg/R/DataFrame.R#L3645
which caused attempt to fetch data from CRAN:
https://github.com/r-lib/downlit/blob/d5622d665ebe4d3529b297aa926fe3c0132c8b81/R/metadata.R#L132-L137
and {{CRAN_package_db}} loads RDS object
{code:r}
> tools::CRAN_package_db
function ()
as.data.frame(read_CRAN_object(CRAN_baseurl_for_web_area(),
"web/packages/packages.rds"),
stringsAsFactors = FALSE)
{code}
If the problem repeats we might try to see if setting
{{deploy.install_metadata: true}} in pkgdown and installing {{ggplot2}} (and
other incidental doc build dependencies), resolves the issue.
> SparkR documentation build fails in CI
> --------------------------------------
>
> Key: SPARK-38174
> URL: https://issues.apache.org/jira/browse/SPARK-38174
> Project: Spark
> Issue Type: Test
> Components: Build, SparkR
> Affects Versions: 3.3.0
> Reporter: Hyukjin Kwon
> Priority: Major
>
> SparkR documentation job in GitHub Actions seems to be broken now as below
> (https://github.com/apache/spark/runs/5138914521?check_suite_focus=true):
> {code}
> Writing 'reference/head.html'
> Reading 'man/hint.Rd'
> Writing 'reference/hint.html'
> Reading 'man/histogram.Rd'
> Error in .f(.x[[i]], ...) : Failed to parse Rd in histogram.Rd
> ℹ ReadItem: unknown type 73, perhaps written by later version of R
> Caused by error in `readRDS()`:
> ! ReadItem: unknown type 73, perhaps written by later version of R
> Error: <callr_status_error: callr subprocess failed: Failed to parse Rd in
> histogram.Rd
> ℹ ReadItem: unknown type 73, perhaps written by later version of R
> Caused by error in `readRDS()`:
> ! ReadItem: unknown type 73, perhaps written by later version of R>
> -->
> <callr_remote_error in .f(.x[[i]], ...):
> Failed to parse Rd in histogram.Rd
> ℹ ReadItem: unknown type 73, perhaps written by later version of R
> Caused by error in `readRDS()`:
> ! ReadItem: unknown type 73, perhaps written by later version of R>
> in process 13417
> Stack trace:
> Process 13346:
> 1. pkgdown::build_site("..")
> 2. pkgdown:::build_site_external(pkg = pkg, examples = examples, ...
> 3. callr::r(function(..., crayon_enabled, crayon_colors, pkgdown_internet) {
> ...
> 4. callr:::get_result(output = out, options)
> 5. throw(newerr, parent = remerr[[2]])
> x callr subprocess failed: Failed to parse Rd in histogram.Rd
> ℹ ReadItem: unknown type 73, perhaps written by later version of R
> Caused by error in `readRDS()`:
> ! ReadItem: unknown type 73, perhaps written by later version of R
> Process 13417:
> 17. (function (..., crayon_enabled, crayon_colors, pkgdown_internet) ...
> 18. pkgdown::build_site(...)
> 19. pkgdown:::build_site_local(pkg = pkg, examples = examples, run_do ...
> 20. pkgdown:::build_reference(pkg, lazy = lazy, examples = examples, ...
> 21. purrr::map(topics, build_reference_topic, pkg = pkg, lazy = lazy, ...
> {code}
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