Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/19851#discussion_r154027519
--- Diff:
sql/hive/src/test/scala/org/apache/spark/sql/hive/HiveExternalCatalogVersionsSuite.scala
---
@@ -50,14 +52,24 @@ class HiveExternalCatalogVersionsSuite extends
SparkSubmitTestUtils {
super.afterAll()
}
- private def downloadSpark(version: String): Unit = {
- import scala.sys.process._
+ private def tryDownloadSpark(version: String, path: String): Unit = {
+ // Try mirrors a few times until one succeeds
+ for (i <- 0 until 3) {
+ val preferredMirror =
+ Seq("wget",
"https://www.apache.org/dyn/closer.lua?preferred=true";, "-q", "-O", "-").!!.trim
+ val url =
s"$preferredMirror/spark/spark-$version/spark-$version-bin-hadoop2.7.tgz"
+ logInfo(s"Downloading Spark $version from $url")
--- End diff --
FYI not sure which is the better way, in SparkR we get a list with
`http://www.apache.org/dyn/closer.cgi&as_json=1`
```
{
"backup": [ "http://www-eu.apache.org/dist/";,
"http://www-us.apache.org/dist/"; ],
"cca2": "us",
"ftp": [ "ftp://apache.cs.utah.edu/apache.org/";,
"ftp://apache.mirrors.tds.net/pub/apache.org/";,
"ftp://ftp.osuosl.org/pub/apache/";, "ftp://mirror.reverse.net/pub/apache/"; ],
"http": [ "http://apache.claz.org/";, "http://apache.cs.utah.edu/";,
"http://apache.mesi.com.ar/";, "http://apache.mirrors.hoobly.com/";,
"http://apache.mirrors.ionfish.org/";,
"http://apache.mirrors.lucidnetworks.net/";, "http://apache.mirrors.pair.com/";,
"http://apache.mirrors.tds.net/";, "http://apache.osuosl.org/";,
"http://download.nextag.com/apache/";, "http://ftp.wayne.edu/apache/";,
"http://mirror.cc.columbia.edu/pub/software/apache/";,
"http://mirror.cogentco.com/pub/apache/";,
"http://mirror.jax.hugeserver.com/apache/";,
"http://mirror.metrocast.net/apache/";,
"http://mirror.olnevhost.net/pub/apache/";,
"http://mirror.reverse.net/pub/apache/";,
"http://mirror.stjschools.org/public/apache/";,
"http://mirrors.advancedhosters.com/apache/";,
"http://mirrors.gigenet.com/apache/";, "http://mirrors.koehn.com/apache/";,
"http://mirrors.ocf.berkeley.edu/apache/";, "http://mirrors.sonic.net/apache/";,
"http://supergsego.com/apache/";, "http://www.gtlib.gatech.edu/pub/apache/";,
"http://www.name
sdir.com/mirrors/apache/", "http://www.trieuvan.com/apache/"; ],
"path_info": "",
"preferred": "http://mirror.cc.columbia.edu/pub/software/apache/";
}
```
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