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dongjoon pushed a commit to branch master
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The following commit(s) were added to refs/heads/master by this push:
new baa850762e2d [SPARK-55710][BUILD] Use Google Mirror of Maven Central
for SBT bootstrap
baa850762e2d is described below
commit baa850762e2da619a9515f985f536d27895ec1a3
Author: Kent Yao <[email protected]>
AuthorDate: Thu Feb 26 09:03:04 2026 -0800
[SPARK-55710][BUILD] Use Google Mirror of Maven Central for SBT bootstrap
### What changes were proposed in this pull request?
Change the default SBT bootstrap repository from Maven Central
(`repo1.maven.org`) to Google's Maven Central mirror
(`maven-central.storage-download.googleapis.com`) for downloading the
`sbt-launch` jar.
### Why are the changes needed?
The rest of the SBT build already uses the Google mirror as the primary
resolver, as `project/SparkBuild.scala`. The bootstrap script
(`build/sbt-launch-lib.bash`) was the only place still defaulting to Maven
Central. This makes it consistent and avoids flaky Maven Central connections
during the initial `sbt-launch` jar download.
The `DEFAULT_ARTIFACT_REPOSITORY` environment variable can still be used to
override this.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Manually tested by removing the cached `sbt-launch-1.12.4.jar` and
verifying the bootstrap successfully downloads from the Google mirror with
matching checksum.
### Was this patch authored or co-authored using generative AI tooling?
Yes, GitHub Copilot CLI was used.
Closes #54508 from yaooqinn/SPARK-55710.
Authored-by: Kent Yao <[email protected]>
Signed-off-by: Dongjoon Hyun <[email protected]>
---
build/sbt-launch-lib.bash | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/build/sbt-launch-lib.bash b/build/sbt-launch-lib.bash
index 01ba6b929f92..713f88e08299 100755
--- a/build/sbt-launch-lib.bash
+++ b/build/sbt-launch-lib.bash
@@ -43,7 +43,7 @@ acquire_sbt_jar () {
# artifacts from internal repos only.
# Ex:
# DEFAULT_ARTIFACT_REPOSITORY=https://artifacts.internal.com/libs-release/
-
URL1=${DEFAULT_ARTIFACT_REPOSITORY:-https://repo1.maven.org/maven2/}org/scala-sbt/sbt-launch/${SBT_VERSION}/sbt-launch-${SBT_VERSION}.jar
+
URL1=${DEFAULT_ARTIFACT_REPOSITORY:-https://maven-central.storage-download.googleapis.com/maven2/}org/scala-sbt/sbt-launch/${SBT_VERSION}/sbt-launch-${SBT_VERSION}.jar
JAR=build/sbt-launch-${SBT_VERSION}.jar
sbt_jar=$JAR
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