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Merged
razvan merged 2 commits into from
Jan 27, 2026
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Merged

fix(spark): remove the JRE before installing the JDK #1410

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fix(spark): remove the JRE before installing the JDK
razvan Jan 26, 2026
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razvan Jan 26, 2026
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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@ All notable changes to this project will be documented in this file.
- zookeeper: Remove `3.9.3` ([#1401]).
- trino: Remove `451` and `476` ([#1403]).
- hbase: Remove `2.6.2` ([#1408]).
- spark: remove the JRE before installing the JDK to prevent version conflicts ([#1410]).

### Fixed

Expand Down Expand Up @@ -87,6 +88,7 @@ All notable changes to this project will be documented in this file.
[#1406]: https://github.com/stackabletech/docker-images/pull/1406
[#1408]: https://github.com/stackabletech/docker-images/pull/1408
[#1409]: https://github.com/stackabletech/docker-images/pull/1409
[#1410]: https://github.com/stackabletech/docker-images/pull/1410

## [25.11.0] - 2025-11-07

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7 changes: 5 additions & 2 deletions spark-k8s/Dockerfile.3
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Expand Up @@ -176,8 +176,6 @@ chmod -R g=u /stackable/spark-${PRODUCT_VERSION}-stackable${RELEASE_VERSION}/ass
chmod -R g=u /stackable/jmx
EOF

# TODO: java-base installs the Adoptium dnf repo and the Termurin jre which is not needed here.
# To reduce the size of this image, the Adoptium repo could be moved to stackable-base instead.
FROM local-image/java-base AS final

ARG PRODUCT_VERSION
Expand Down Expand Up @@ -218,6 +216,11 @@ COPY --chown=${STACKABLE_USER_UID}:0 spark-k8s/licenses /licenses
RUN <<EOF
microdnf update

# Remove the JRE that was installed by local-image/java-base.
# The JRE is not enough for Spark because some functionality requires the JDK.
# Also having both JRE and JDK installed causes conflicts with Java 21 because they have slightly different versions in the Adoptium repository.
microdnf remove "temurin-${JAVA_VERSION}-jre"

# procps:
# Required for spark startup scripts.
# temurin-{version}-jdk:
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7 changes: 5 additions & 2 deletions spark-k8s/Dockerfile.4
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Expand Up @@ -150,8 +150,6 @@ chmod -R g=u /stackable/spark-${PRODUCT_VERSION}-stackable${RELEASE_VERSION}/ass
chmod -R g=u /stackable/jmx
EOF

# TODO: java-base installs the Adoptium dnf repo and the Termurin jre which is not needed here.
# To reduce the size of this image, the Adoptium repo could be moved to stackable-base instead.
FROM local-image/java-base AS final

ARG PRODUCT_VERSION
Expand Down Expand Up @@ -190,6 +188,11 @@ COPY --chown=${STACKABLE_USER_UID}:0 spark-k8s/licenses /licenses
RUN <<EOF
microdnf update

# Remove the JRE that was installed by local-image/java-base.
# The JRE is not enough for Spark because some functionality requires the JDK.
# Also having both JRE and JDK installed causes conflicts with Java 21 because they have slightly different versions in the Adoptium repository.
microdnf remove "temurin-${JAVA_VERSION}-jre"

# procps:
# Required for spark startup scripts.
# temurin-{version}-jdk:
Expand Down