From 3937eff8108610a0bbd221d9178dfa58724e36ef Mon Sep 17 00:00:00 2001
From: Tomo Suzuki <suztomo@gmail.com>
Date: Fri, 17 Oct 2025 20:13:44 +0000
Subject: [PATCH] ci: print Java version during the build

---
 jib-core/kokoro/release_build.sh         | 3 +++
 jib-gradle-plugin/scripts/release.sh     | 4 ++++
 jib-maven-plugin/kokoro/release_build.sh | 3 +++
 3 files changed, 10 insertions(+)

diff --git a/jib-core/kokoro/release_build.sh b/jib-core/kokoro/release_build.sh
index 1b8b7151ff..35d0fc5542 100644
--- a/jib-core/kokoro/release_build.sh
+++ b/jib-core/kokoro/release_build.sh
@@ -5,5 +5,8 @@ set -o errexit
 # Display commands to stderr.
 set -o xtrace
 
+echo "java version:"
+java -version
+
 cd github/jib
 ./gradlew :jib-core:prepareRelease
diff --git a/jib-gradle-plugin/scripts/release.sh b/jib-gradle-plugin/scripts/release.sh
index faa3ed076a..d40f8b67e9 100755
--- a/jib-gradle-plugin/scripts/release.sh
+++ b/jib-gradle-plugin/scripts/release.sh
@@ -7,6 +7,10 @@ readonly PUBLISH_SECRET=$(cat "${KOKORO_KEYSTORE_DIR}/72743_gradle_publish_secre
 
 set -o xtrace
 
+echo "java version:"
+java -version
+
+
 # From default hostname, get id of container to exclude
 CONTAINER_ID=$(hostname)
 echo "$CONTAINER_ID"
diff --git a/jib-maven-plugin/kokoro/release_build.sh b/jib-maven-plugin/kokoro/release_build.sh
index 185ef98611..fe8a23fa94 100644
--- a/jib-maven-plugin/kokoro/release_build.sh
+++ b/jib-maven-plugin/kokoro/release_build.sh
@@ -10,5 +10,8 @@ if [ "${KOKORO_JOB_CLUSTER}" = "GCP_UBUNTU_DOCKER" ]; then
   JAVA_TOOL_OPTIONS="${JAVA_TOOL_OPTIONS} -Xlog:os+container=error"
 fi
 
+echo "java version:"
+java -version
+
 cd github/jib
 ./gradlew :jib-maven-plugin:prepareRelease