diff --git a/bin/docker-image-tool.sh b/bin/docker-image-tool.sh
index ad31bd1e7b7ab..037e0c70b07a7 100755
--- a/bin/docker-image-tool.sh
+++ b/bin/docker-image-tool.sh
@@ -269,11 +269,11 @@ Examples:
     $0 -r docker.io/myrepo -t v2.3.0 push
 
   - Build and push Java11-based image with tag "v3.0.0" to docker.io/myrepo
-    $0 -r docker.io/myrepo -t v3.0.0 -b java_image_tag=11-jre-slim build
+    $0 -r docker.io/myrepo -t v3.0.0 -b java_image_tag=11-jre-focal build
     $0 -r docker.io/myrepo -t v3.0.0 push
 
   - Build and push Java11-based image for multiple archs to docker.io/myrepo
-    $0 -r docker.io/myrepo -t v3.0.0 -X -b java_image_tag=11-jre-slim build
+    $0 -r docker.io/myrepo -t v3.0.0 -X -b java_image_tag=11-jre-focal build
     # Note: buildx, which does cross building, needs to do the push during build
     # So there is no separate push step with -X
 
diff --git a/resource-managers/kubernetes/docker/src/main/dockerfiles/spark/Dockerfile b/resource-managers/kubernetes/docker/src/main/dockerfiles/spark/Dockerfile
index 9f4e2462f3c00..fc529afb1be82 100644
--- a/resource-managers/kubernetes/docker/src/main/dockerfiles/spark/Dockerfile
+++ b/resource-managers/kubernetes/docker/src/main/dockerfiles/spark/Dockerfile
@@ -14,9 +14,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
-ARG java_image_tag=11-jre-slim
+ARG java_image_tag=11-jre-focal
 
-FROM openjdk:${java_image_tag}
+FROM eclipse-temurin:${java_image_tag}
 
 ARG spark_uid=185
 
@@ -28,7 +28,6 @@ ARG spark_uid=185
 # docker build -t spark:latest -f kubernetes/dockerfiles/spark/Dockerfile .
 
 RUN set -ex && \
-    sed -i 's/http:\/\/deb.\(.*\)/https:\/\/deb.\1/g' /etc/apt/sources.list && \
     apt-get update && \
     ln -s /lib /lib64 && \
     apt install -y bash tini libc6 libpam-modules krb5-user libnss3 procps net-tools && \
diff --git a/resource-managers/kubernetes/integration-tests/scripts/setup-integration-test-env.sh b/resource-managers/kubernetes/integration-tests/scripts/setup-integration-test-env.sh
index d8960349f0080..721a60b0aef41 100755
--- a/resource-managers/kubernetes/integration-tests/scripts/setup-integration-test-env.sh
+++ b/resource-managers/kubernetes/integration-tests/scripts/setup-integration-test-env.sh
@@ -103,7 +103,7 @@ then
   cd $SPARK_INPUT_DIR
 
   if [[ $DOCKER_FILE == "N/A" ]]; then
-    # OpenJDK base-image tag (e.g. 8-jre-slim, 11-jre-slim)
+    # OpenJDK base-image tag (e.g. 8-jre-focal, 11-jre-focal)
     JAVA_IMAGE_TAG_BUILD_ARG="-b java_image_tag=$JAVA_IMAGE_TAG"
   else
     if [[ $DOCKER_FILE = /* ]]; then