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new e37bfb5e4766 fix(ci): retry the jacoco download when Maven Central
returns 429 (#19430)
e37bfb5e4766 is described below
commit e37bfb5e4766109f05f83a6d39e5b9d31b549451
Author: Vova Kolmakov <[email protected]>
AuthorDate: Fri Jul 31 13:51:22 2026 +0700
fix(ci): retry the jacoco download when Maven Central returns 429 (#19430)
Co-authored-by: Vova Kolmakov <[email protected]>
---
scripts/jacoco/download_jacoco.sh | 24 ++++++++++++++++++++++--
1 file changed, 22 insertions(+), 2 deletions(-)
diff --git a/scripts/jacoco/download_jacoco.sh
b/scripts/jacoco/download_jacoco.sh
index e7b79d28638c..8a6f97663d70 100755
--- a/scripts/jacoco/download_jacoco.sh
+++ b/scripts/jacoco/download_jacoco.sh
@@ -17,6 +17,26 @@
# specific language governing permissions and limitations
# under the License.
#
-wget https://repo1.maven.org/maven2/org/jacoco/jacoco/0.8.12/jacoco-0.8.12.zip
-unzip jacoco-0.8.12.zip -d jacoco-lib
+set -euo pipefail
+
+JACOCO_VERSION=0.8.12
+JACOCO_ZIP="jacoco-${JACOCO_VERSION}.zip"
+JACOCO_URL="https://repo1.maven.org/maven2/org/jacoco/jacoco/${JACOCO_VERSION}/${JACOCO_ZIP}";
+
+# Maven Central answers 429 (Too Many Requests) when the shared CI egress IP
is rate limited, and
+# wget treats every 4xx as fatal. Without a retry a single 429 fails a job
whose build and tests
+# have already passed, so back off long enough to outlast the rate-limit
window before giving up.
+for backoff in 15 30 60 0; do
+ if wget --tries=1 -O "$JACOCO_ZIP" "$JACOCO_URL"; then
+ break
+ fi
+ if [ "$backoff" -eq 0 ]; then
+ echo "Unable to download $JACOCO_URL" >&2
+ exit 1
+ fi
+ echo "Download failed, retrying in ${backoff}s"
+ sleep "$backoff"
+done
+
+unzip "$JACOCO_ZIP" -d jacoco-lib
ls -l jacoco-lib/lib/jacococli.jar
