From a4e81a5e499f9e5d19aa5614312664508cdeeff9 Mon Sep 17 00:00:00 2001
From: Cheng Pan <chengpan@apache.org>
Date: Tue, 8 Sep 2026 14:22:22 +0800
Subject: [PATCH 1/4] [ZEPPELIN-6701] Support Spark 4.1 and 4.2

Assisted-by: GLM 5.3
---
 .github/workflows/core.yml                    | 60 ++++++++++++-------
 docs/setup/basics/how_to_build.md             |  6 +-
 spark/interpreter/pom.xml                     | 20 +++++++
 .../apache/zeppelin/spark/SparkVersion.java   |  8 +--
 .../zeppelin/spark/SparkVersionTest.java      |  3 +
 testing/env_python_3.14.yml                   | 29 +++++++++
 6 files changed, 98 insertions(+), 28 deletions(-)
 create mode 100644 testing/env_python_3.14.yml

diff --git a/.github/workflows/core.yml b/.github/workflows/core.yml
index 31b681d2978..357035f96c6 100644
--- a/.github/workflows/core.yml
+++ b/.github/workflows/core.yml
@@ -377,8 +377,35 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: [ 3.9 ]
-        java: [ 11, 17 ]
+        include:
+          - java: 11
+            python: '3.9'
+            spark: '3.3'
+            scala: '2.12'
+          - java: 17
+            python: '3.9'
+            spark: '3.4'
+            scala: '2.12'
+          - java: 11
+            python: '3.9'
+            spark: '3.5'
+            scala: '2.12'
+          - java: 17
+            python: '3.9'
+            spark: '3.5'
+            scala: '2.13'
+          - java: 17
+            python: '3.9'
+            spark: '4.0'
+            scala: '2.13'
+          - java: 17
+            python: '3.14'
+            spark: '4.1'
+            scala: '2.13'
+          - java: 17
+            python: '3.14'
+            spark: '4.2'
+            scala: '2.13'
     steps:
       - name: Checkout
         uses: actions/checkout@v5
@@ -407,37 +434,24 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-${{ runner.arch }}-conda-python-3.9-v1-
       - name: install environment
-        run: ./mvnw install -DskipTests -pl spark-submit,spark/scala-2.12,spark/scala-2.13 -am ${MAVEN_ARGS}
+        run: ./mvnw install -DskipTests -pl spark-submit,spark/scala-${{ matrix.scala }} -am ${MAVEN_ARGS}
       - name: Setup conda environment with python ${{ matrix.python }}
         uses: conda-incubator/setup-miniconda@v4
         with:
           activate-environment: python_3
-          environment-file: testing/locks/python-3.9-linux-64.conda.lock
+          environment-file: ${{ matrix.python == '3.14' && 'testing/env_python_3.14.yml' || 'testing/locks/python-3.9-linux-64.conda.lock' }}
           channels: conda-forge
           conda-remove-defaults: true
           auto-update-conda: false
           auto-activate: false
-      - name: run spark-3.3 tests with scala-2.12 and python-${{ matrix.python }}
-        run: |
-          rm -rf spark/interpreter/metastore_db
-          ./mvnw verify -pl spark-submit,spark/interpreter -am -Dtest=org/apache/zeppelin/spark/* -Pspark-3.3 -Pspark-scala-2.12 -Pintegration -DfailIfNoTests=false ${MAVEN_ARGS}
-      - name: run spark-3.3 tests with scala-2.13 and python-${{ matrix.python }}
-        run: |
-          rm -rf spark/interpreter/metastore_db
-          ./mvnw verify -pl spark-submit,spark/interpreter -am -Dtest=org/apache/zeppelin/spark/* -Pspark-3.3 -Pspark-scala-2.13 -Pintegration -DfailIfNoTests=false ${MAVEN_ARGS}
-      - name: run spark-3.4 tests with scala-2.13 and python-${{ matrix.python }}
-        run: |
-          rm -rf spark/interpreter/metastore_db
-          ./mvnw verify -pl spark-submit,spark/interpreter -am -Dtest=org/apache/zeppelin/spark/* -Pspark-3.4 -Pspark-scala-2.13 -Pintegration -DfailIfNoTests=false ${MAVEN_ARGS}
-      - name: run spark-3.5 tests with scala-2.13 and python-${{ matrix.python }}
-        run: |
-          rm -rf spark/interpreter/metastore_db
-          ./mvnw verify -pl spark-submit,spark/interpreter -am -Dtest=org/apache/zeppelin/spark/* -Pspark-3.5 -Pspark-scala-2.13 -Pintegration -DfailIfNoTests=false ${MAVEN_ARGS}
-      - name: run spark-4.0 tests with scala-2.13 and python-${{ matrix.python }}
-        if: ${{ matrix.java == 17 }}
+      - name: run spark-${{ matrix.spark }} tests with scala-${{ matrix.scala }}
         run: |
+          # Python 3.14 uses protobuf 4+, whose C runtime rejects the legacy generated stub.
+          if python -c 'import sys; sys.exit(sys.version_info < (3, 14))'; then
+            export PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=python
+          fi
           rm -rf spark/interpreter/metastore_db
-          ./mvnw verify -pl spark-submit,spark/interpreter -am -Dtest=org/apache/zeppelin/spark/* -Pspark-4.0 -Pspark-scala-2.13 -Pintegration -DfailIfNoTests=false ${MAVEN_ARGS}
+          ./mvnw verify -pl spark-submit,spark/interpreter -am -Dtest=org/apache/zeppelin/spark/* -Pspark-${{ matrix.spark }} -Pspark-scala-${{ matrix.scala }} -Pintegration -DfailIfNoTests=false ${MAVEN_ARGS}
 
   # Livy 0.8.0 tested with Spark 3.2
   # https://github.com/apache/incubator-livy/blob/v0.8.0-incubating/dev/docker/livy-dev-spark/Dockerfile#L20
diff --git a/docs/setup/basics/how_to_build.md b/docs/setup/basics/how_to_build.md
index 30f6c61d3cf..ed2e1f5f63c 100644
--- a/docs/setup/basics/how_to_build.md
+++ b/docs/setup/basics/how_to_build.md
@@ -83,7 +83,8 @@ You can directly start Zeppelin by running the following command after successfu
 
 To be noticed, the spark profiles here only affect the unit test (no need to specify `SPARK_HOME`) of spark interpreter. 
 Zeppelin doesn't require you to build with different spark to make different versions of spark work in Zeppelin.
-You can run different versions of Spark in Zeppelin as long as you specify `SPARK_HOME`. Actually Zeppelin supports all the versions of Spark from 3.3 to 3.5.
+You can run different versions of Spark in Zeppelin as long as you specify `SPARK_HOME`.
+Actually Zeppelin supports all the versions of Spark from 3.3 to 4.2, Spark 4.x requires JDK 17.
 
 To build with a specific Spark version or scala versions, define one or more of the following profiles and options:
 
@@ -94,6 +95,9 @@ Set spark major version
 Available profiles are
 
 ```
+-Pspark-4.2
+-Pspark-4.1
+-Pspark-4.0
 -Pspark-3.5
 -Pspark-3.4
 -Pspark-3.3
diff --git a/spark/interpreter/pom.xml b/spark/interpreter/pom.xml
index a51f045ae8e..d64666dca33 100644
--- a/spark/interpreter/pom.xml
+++ b/spark/interpreter/pom.xml
@@ -472,6 +472,26 @@
       </properties>
     </profile>
 
+    <profile>
+      <id>spark-4.2</id>
+      <properties>
+        <spark.version>4.2.0</spark.version>
+        <protobuf.version>4.33.5</protobuf.version>
+        <py4j.version>0.10.9.9</py4j.version>
+        <libthrift.version>0.16.0</libthrift.version>
+      </properties>
+    </profile>
+
+    <profile>
+      <id>spark-4.1</id>
+      <properties>
+        <spark.version>4.1.3</spark.version>
+        <protobuf.version>4.33.0</protobuf.version>
+        <py4j.version>0.10.9.9</py4j.version>
+        <libthrift.version>0.16.0</libthrift.version>
+      </properties>
+    </profile>
+
     <profile>
       <id>spark-4.0</id>
       <properties>
diff --git a/spark/interpreter/src/main/java/org/apache/zeppelin/spark/SparkVersion.java b/spark/interpreter/src/main/java/org/apache/zeppelin/spark/SparkVersion.java
index 2db447985ae..3051524a1c8 100644
--- a/spark/interpreter/src/main/java/org/apache/zeppelin/spark/SparkVersion.java
+++ b/spark/interpreter/src/main/java/org/apache/zeppelin/spark/SparkVersion.java
@@ -25,14 +25,14 @@
 public class SparkVersion {
   private static final Logger LOGGER = LoggerFactory.getLogger(SparkVersion.class);
 
-  public static final SparkVersion SPARK_3_3_0 = SparkVersion.fromVersionString("3.3.0");
+  static final SparkVersion SPARK_3_3_0 = SparkVersion.fromVersionString("3.3.0");
 
-  public static final SparkVersion SPARK_3_5_0 = SparkVersion.fromVersionString("3.5.0");
+  static final SparkVersion SPARK_3_5_0 = SparkVersion.fromVersionString("3.5.0");
 
-  public static final SparkVersion SPARK_4_1_0 = SparkVersion.fromVersionString("4.1.0");
+  static final SparkVersion SPARK_4_3_0 = SparkVersion.fromVersionString("4.3.0");
 
   public static final SparkVersion MIN_SUPPORTED_VERSION =  SPARK_3_3_0;
-  public static final SparkVersion UNSUPPORTED_FUTURE_VERSION = SPARK_4_1_0;
+  public static final SparkVersion UNSUPPORTED_FUTURE_VERSION = SPARK_4_3_0;
 
   private int version;
   private int majorVersion;
diff --git a/spark/interpreter/src/test/java/org/apache/zeppelin/spark/SparkVersionTest.java b/spark/interpreter/src/test/java/org/apache/zeppelin/spark/SparkVersionTest.java
index 06aa392e4ca..acd04f58b6d 100644
--- a/spark/interpreter/src/test/java/org/apache/zeppelin/spark/SparkVersionTest.java
+++ b/spark/interpreter/src/test/java/org/apache/zeppelin/spark/SparkVersionTest.java
@@ -35,6 +35,9 @@ void testUnsupportedVersion() {
     assertTrue(SparkVersion.fromVersionString("2.3.0").isUnsupportedVersion());
     assertTrue(SparkVersion.fromVersionString("0.9.0").isUnsupportedVersion());
     assertTrue(SparkVersion.UNSUPPORTED_FUTURE_VERSION.isUnsupportedVersion());
+    assertTrue(SparkVersion.fromVersionString("4.3.0").isUnsupportedVersion());
+    assertFalse(SparkVersion.fromVersionString("4.1.0").isUnsupportedVersion());
+    assertFalse(SparkVersion.fromVersionString("4.2.0").isUnsupportedVersion());
     // should not support spark2 version of HDP 2.5
     assertTrue(SparkVersion.fromVersionString("2.0.0.2.5.0.0-1245").isUnsupportedVersion());
   }
diff --git a/testing/env_python_3.14.yml b/testing/env_python_3.14.yml
new file mode 100644
index 00000000000..18a1d60031b
--- /dev/null
+++ b/testing/env_python_3.14.yml
@@ -0,0 +1,29 @@
+name: python_3
+channels:
+  - conda-forge
+  - defaults
+dependencies:
+  - pandas>=2.2,<3.0
+  - numpy>=1.21
+  - pyarrow>=18
+  - pycodestyle
+  - scipy
+  - grpcio>=1.76,<2
+  - protobuf
+  - pandasql
+  - sqlalchemy
+  - ipython
+  - ipykernel
+  - jupyter_client
+  - hvplot
+  - holoviews
+  - plotnine
+  - seaborn
+  - intake
+  - intake-parquet
+  - intake-xarray
+  - altair
+  - vega_datasets
+  - plotly
+  - jinja2
+  - pip

From d9e724808ce4b5b4afe5cfe4f93681c5bff2fc21 Mon Sep 17 00:00:00 2001
From: Cheng Pan <chengpan@apache.org>
Date: Tue, 8 Sep 2026 16:10:10 +0800
Subject: [PATCH 2/4] [ZEPPELIN-6701] Upgrade Spark Scala 2.13 runtime to
 2.13.18

Assisted-by: GLM 5.3
---
 spark/interpreter/pom.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spark/interpreter/pom.xml b/spark/interpreter/pom.xml
index d64666dca33..4dced787777 100644
--- a/spark/interpreter/pom.xml
+++ b/spark/interpreter/pom.xml
@@ -456,7 +456,7 @@
     <profile>
       <id>spark-scala-2.13</id>
       <properties>
-        <spark.scala.version>2.13.16</spark.scala.version>
+        <spark.scala.version>2.13.18</spark.scala.version>
         <spark.scala.binary.version>2.13</spark.scala.binary.version>
       </properties>
     </profile>

From 127db8adebb5e6a63e02f37d7a52a98dfe55cca9 Mon Sep 17 00:00:00 2001
From: Cheng Pan <chengpan@apache.org>
Date: Sat, 10 Oct 2026 11:39:17 +0800
Subject: [PATCH 3/4] [ZEPPELIN-6701] Add Python 3.14 conda lock for the Spark
 4.1+ CI jobs

- add testing/locks/python-3.14-linux-64.conda.lock, resolved on Ubuntu 24.04
  x86-64 from conda-forge only (python 3.14.8)
- pin the interpreter in the testing env YAMLs and drop the commercial
  defaults channel so they resolve against conda-forge
- install the lock matching matrix.python in spark-test and key the conda
  cache by python
- document the new lock in testing/locks/README.md

Assisted-by: gpt-6.1-sol
---
 .github/workflows/core.yml                    |   6 +-
 testing/env_python_3.14.yml                   |   2 +-
 testing/env_python_3.7.yml                    |   2 +-
 testing/env_python_3.8.yml                    |   2 +-
 testing/locks/README.md                       |   3 +-
 testing/locks/python-3.14-linux-64.conda.lock | 297 ++++++++++++++++++
 6 files changed, 305 insertions(+), 7 deletions(-)
 create mode 100644 testing/locks/python-3.14-linux-64.conda.lock

diff --git a/.github/workflows/core.yml b/.github/workflows/core.yml
index 357035f96c6..d3ab5dc371c 100644
--- a/.github/workflows/core.yml
+++ b/.github/workflows/core.yml
@@ -430,16 +430,16 @@ jobs:
         uses: actions/cache@v5
         with:
           path: ~/conda_pkgs_dir
-          key: ${{ runner.os }}-${{ runner.arch }}-conda-python-3.9-v1-${{ hashFiles('testing/locks/python-3.9-linux-64.conda.lock') }}
+          key: ${{ runner.os }}-${{ runner.arch }}-conda-python-${{ matrix.python }}-v1-${{ hashFiles(format('testing/locks/python-{0}-linux-64.conda.lock', matrix.python)) }}
           restore-keys: |
-            ${{ runner.os }}-${{ runner.arch }}-conda-python-3.9-v1-
+            ${{ runner.os }}-${{ runner.arch }}-conda-python-${{ matrix.python }}-v1-
       - name: install environment
         run: ./mvnw install -DskipTests -pl spark-submit,spark/scala-${{ matrix.scala }} -am ${MAVEN_ARGS}
       - name: Setup conda environment with python ${{ matrix.python }}
         uses: conda-incubator/setup-miniconda@v4
         with:
           activate-environment: python_3
-          environment-file: ${{ matrix.python == '3.14' && 'testing/env_python_3.14.yml' || 'testing/locks/python-3.9-linux-64.conda.lock' }}
+          environment-file: testing/locks/python-${{ matrix.python }}-linux-64.conda.lock
           channels: conda-forge
           conda-remove-defaults: true
           auto-update-conda: false
diff --git a/testing/env_python_3.14.yml b/testing/env_python_3.14.yml
index 18a1d60031b..46ab36cf523 100644
--- a/testing/env_python_3.14.yml
+++ b/testing/env_python_3.14.yml
@@ -1,8 +1,8 @@
 name: python_3
 channels:
   - conda-forge
-  - defaults
 dependencies:
+  - python=3.14
   - pandas>=2.2,<3.0
   - numpy>=1.21
   - pyarrow>=18
diff --git a/testing/env_python_3.7.yml b/testing/env_python_3.7.yml
index 20bd686c65f..e3231b1c27f 100644
--- a/testing/env_python_3.7.yml
+++ b/testing/env_python_3.7.yml
@@ -1,8 +1,8 @@
 name: python_3
 channels:
   - conda-forge
-  - defaults
 dependencies:
+  - python=3.7
   - pycodestyle
   - scipy
   - numpy=1.19.5
diff --git a/testing/env_python_3.8.yml b/testing/env_python_3.8.yml
index d125b9ce70c..9efe79addfc 100644
--- a/testing/env_python_3.8.yml
+++ b/testing/env_python_3.8.yml
@@ -1,8 +1,8 @@
 name: python_3
 channels:
   - conda-forge
-  - defaults
 dependencies:
+  - python=3.8
   - pycodestyle
   - scipy
   - numpy=1.19.5
diff --git a/testing/locks/README.md b/testing/locks/README.md
index 8c8de7ce712..b20b371e8f6 100644
--- a/testing/locks/README.md
+++ b/testing/locks/README.md
@@ -17,11 +17,12 @@ limitations under the License.
 
 # Python dependencies in Linux CI
 
-For the Linux CI environments listed below, the YAML files in `testing/` describe the dependencies we want, while CI installs the resolved Python 3.9 packages from the files here. Changing one of those YAML files alone will not change its CI environment; update the corresponding lock as well.
+For the Linux CI environments listed below, the YAML files in `testing/` describe the dependencies we want, while CI installs the resolved Conda packages from the files here. Changing one of those YAML files alone will not change its CI environment; update the corresponding lock as well.
 
 | Lock file | Environment it supplies |
 |---|---|
 | `python-3.9-linux-64.conda.lock` | Shared Conda environment for core, Python/Jupyter, integration, Spark, Livy, Flink, and frontend integration jobs. It covers `env_python_3.9.yml`, `env_python_3.yml`, and the Conda dependencies in both `env_python_3_with_flink_*.yml` files. |
+| `python-3.14-linux-64.conda.lock` | Conda environment for the Spark 4.1+ jobs, covering `env_python_3.14.yml`. |
 | `python-3.9-tensorflow-linux-64.conda.lock` | Conda environment for non-core interpreter jobs, described by `env_python_3_with_tensorflow.yml`. |
 | `pyflink-1.19-python-3.9.requirements.lock` | PyPI packages for the Flink 1.19 job, starting from the pip requirement in `env_python_3_with_flink_119.yml`. |
 | `pyflink-1.20-python-3.9.requirements.lock` | PyPI packages for the Flink 1.20 job, starting from the pip requirement in `env_python_3_with_flink_120.yml`. |
diff --git a/testing/locks/python-3.14-linux-64.conda.lock b/testing/locks/python-3.14-linux-64.conda.lock
new file mode 100644
index 00000000000..ff4ee29fe56
--- /dev/null
+++ b/testing/locks/python-3.14-linux-64.conda.lock
@@ -0,0 +1,297 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This file may be used to create an environment using:
+# $ conda create --name <env> --file <this file>
+# platform: linux-64
+# created-by: conda 26.7.2
+@EXPLICIT
+https://conda.anaconda.org/conda-forge/noarch/ca-certificates-2026.7.22-hbd8a1cb_0.conda#0f51e2391ade309db462a55611263e9c
+https://conda.anaconda.org/conda-forge/noarch/font-ttf-dejavu-sans-mono-2.37-hab24e00_0.tar.bz2#0c96522c6bdaed4b1566d11387caaf45
+https://conda.anaconda.org/conda-forge/noarch/font-ttf-inconsolata-3.000-h77eed37_0.tar.bz2#34893075a5c9e55cdafac56607368fc6
+https://conda.anaconda.org/conda-forge/noarch/font-ttf-source-code-pro-2.038-h77eed37_0.tar.bz2#4d59c254e01d9cde7957100457e2d5fb
+https://conda.anaconda.org/conda-forge/noarch/font-ttf-ubuntu-0.83-h77eed37_3.conda#49023d73832ef61042f6a237cb2687e7
+https://conda.anaconda.org/conda-forge/linux-64/libgomp-16.2.0-he0feb66_7.conda#d904c7ddd95e026254b4b80808ee9e12
+https://conda.anaconda.org/conda-forge/linux-64/libopentelemetry-cpp-headers-1.27.0-ha770c72_1.conda#6cc68cbbe88746be8beaf027d6c64ad3
+https://conda.anaconda.org/conda-forge/linux-64/libzlib-1.3.2-h25fd6f3_3.conda#0de0122d9570a8ab637c6b73db268389
+https://conda.anaconda.org/conda-forge/linux-64/nlohmann_json-3.12.0-h54a6638_2.conda#fe93be7dd9209e6ae673962e3031ff51
+https://conda.anaconda.org/conda-forge/noarch/python_abi-3.14-9_cp314.conda#350d89b50d7de805abf2e63e29dee451
+https://conda.anaconda.org/conda-forge/noarch/tzdata-2026c-h151e31d_0.conda#fcb489df604d100968b737f2cb6076c6
+https://conda.anaconda.org/conda-forge/linux-64/_openmp_mutex-4.5-20_gnu.conda#a9f577daf3de00bca7c3c76c0ecbd1de
+https://conda.anaconda.org/conda-forge/noarch/fonts-conda-forge-1-hc364b38_1.conda#a7970cd949a077b7cb9696379d338681
+https://conda.anaconda.org/conda-forge/linux-64/zlib-1.3.2-h25fd6f3_3.conda#6acb86426229f96f93e5468d1df3a5e8
+https://conda.anaconda.org/conda-forge/linux-64/zstd-1.5.7-hb78ec9c_7.conda#aa459086047c0e5e27023ab19f8cb86a
+https://conda.anaconda.org/conda-forge/noarch/fonts-conda-ecosystem-1-0.tar.bz2#fee5683a3f04bd15cbd8318b096a27ab
+https://conda.anaconda.org/conda-forge/linux-64/ld_impl_linux-64-2.46.1-default_hbd61a6d_102.conda#449500f2c089da11c40f5c21312e3e07
+https://conda.anaconda.org/conda-forge/linux-64/libgcc-16.2.0-ha9f2e26_7.conda#735629b400b70eeab21a2ba8f5b1c2ce
+https://conda.anaconda.org/conda-forge/linux-64/aws-c-common-0.14.2-hb03c661_0.conda#f3e0b2e044485ae90d4a59c77e7a0182
+https://conda.anaconda.org/conda-forge/linux-64/bzip2-1.0.8-hda65f42_10.conda#e675fabcf81499adc7edf58124fb1e01
+https://conda.anaconda.org/conda-forge/linux-64/c-ares-1.34.8-hebe6cf0_2.conda#3ad2b403be8fc5612b9159e2ce621f69
+https://conda.anaconda.org/conda-forge/linux-64/fribidi-1.0.17-h7cc23a3_0.conda#f9d5302bca196ee87e62f393f2626562
+https://conda.anaconda.org/conda-forge/linux-64/keyutils-1.6.3-h7cc23a3_1.conda#ba55d1b89fd7775e67de8291029b4059
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+https://conda.anaconda.org/conda-forge/noarch/dask-2026.8.0-pyhc364b38_0.conda#e79afa78ebd31bb1e76de5fe117edb29
+https://conda.anaconda.org/conda-forge/noarch/intake-parquet-0.3.0-pyhd8ed1ab_1.conda#ceff21f71e8d5f8fee73bb7219693373
+https://conda.anaconda.org/conda-forge/noarch/intake-xarray-2.0.0-pyhd8ed1ab_1.conda#9ff534be39502e636cb4d25dc6696c66

From 360e5479f60cd62ce8d1228900a894b8829ff37c Mon Sep 17 00:00:00 2001
From: Cheng Pan <chengpan@apache.org>
Date: Fri, 6 Nov 2026 16:38:25 +0800
Subject: [PATCH 4/4] [ZEPPELIN-6701] Support Spark 4.3

1. add the spark-4.3 profile: spark 4.3.0, protobuf 4.33.5, py4j 0.10.9.9,
   libthrift 0.16.0
2. move UNSUPPORTED_FUTURE_VERSION to 4.4.0 and assert 4.3.0 is supported in
   SparkVersionTest
3. add the Spark 4.3, Scala 2.13 and Python 3.14 CI row
4. extend the documented supported range and profile list to 4.3

Assisted-by: deepseek-flash
---
 .github/workflows/core.yml                             |  4 ++++
 docs/setup/basics/how_to_build.md                      |  3 ++-
 spark/interpreter/pom.xml                              | 10 ++++++++++
 .../java/org/apache/zeppelin/spark/SparkVersion.java   |  4 ++--
 .../org/apache/zeppelin/spark/SparkVersionTest.java    |  3 ++-
 5 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/core.yml b/.github/workflows/core.yml
index d3ab5dc371c..ae2f19693e9 100644
--- a/.github/workflows/core.yml
+++ b/.github/workflows/core.yml
@@ -406,6 +406,10 @@ jobs:
             python: '3.14'
             spark: '4.2'
             scala: '2.13'
+          - java: 17
+            python: '3.14'
+            spark: '4.3'
+            scala: '2.13'
     steps:
       - name: Checkout
         uses: actions/checkout@v5
diff --git a/docs/setup/basics/how_to_build.md b/docs/setup/basics/how_to_build.md
index ed2e1f5f63c..5d9fddd5083 100644
--- a/docs/setup/basics/how_to_build.md
+++ b/docs/setup/basics/how_to_build.md
@@ -84,7 +84,7 @@ You can directly start Zeppelin by running the following command after successfu
 To be noticed, the spark profiles here only affect the unit test (no need to specify `SPARK_HOME`) of spark interpreter. 
 Zeppelin doesn't require you to build with different spark to make different versions of spark work in Zeppelin.
 You can run different versions of Spark in Zeppelin as long as you specify `SPARK_HOME`.
-Actually Zeppelin supports all the versions of Spark from 3.3 to 4.2, Spark 4.x requires JDK 17.
+Actually Zeppelin supports all the versions of Spark from 3.3 to 4.3, Spark 4.x requires JDK 17.
 
 To build with a specific Spark version or scala versions, define one or more of the following profiles and options:
 
@@ -95,6 +95,7 @@ Set spark major version
 Available profiles are
 
 ```
+-Pspark-4.3
 -Pspark-4.2
 -Pspark-4.1
 -Pspark-4.0
diff --git a/spark/interpreter/pom.xml b/spark/interpreter/pom.xml
index 4dced787777..a2d3a98feca 100644
--- a/spark/interpreter/pom.xml
+++ b/spark/interpreter/pom.xml
@@ -472,6 +472,16 @@
       </properties>
     </profile>
 
+    <profile>
+      <id>spark-4.3</id>
+      <properties>
+        <spark.version>4.3.0</spark.version>
+        <protobuf.version>4.33.5</protobuf.version>
+        <py4j.version>0.10.9.9</py4j.version>
+        <libthrift.version>0.16.0</libthrift.version>
+      </properties>
+    </profile>
+
     <profile>
       <id>spark-4.2</id>
       <properties>
diff --git a/spark/interpreter/src/main/java/org/apache/zeppelin/spark/SparkVersion.java b/spark/interpreter/src/main/java/org/apache/zeppelin/spark/SparkVersion.java
index 3051524a1c8..c7bdbd20a3d 100644
--- a/spark/interpreter/src/main/java/org/apache/zeppelin/spark/SparkVersion.java
+++ b/spark/interpreter/src/main/java/org/apache/zeppelin/spark/SparkVersion.java
@@ -29,10 +29,10 @@ public class SparkVersion {
 
   static final SparkVersion SPARK_3_5_0 = SparkVersion.fromVersionString("3.5.0");
 
-  static final SparkVersion SPARK_4_3_0 = SparkVersion.fromVersionString("4.3.0");
+  static final SparkVersion SPARK_4_4_0 = SparkVersion.fromVersionString("4.4.0");
 
   public static final SparkVersion MIN_SUPPORTED_VERSION =  SPARK_3_3_0;
-  public static final SparkVersion UNSUPPORTED_FUTURE_VERSION = SPARK_4_3_0;
+  public static final SparkVersion UNSUPPORTED_FUTURE_VERSION = SPARK_4_4_0;
 
   private int version;
   private int majorVersion;
diff --git a/spark/interpreter/src/test/java/org/apache/zeppelin/spark/SparkVersionTest.java b/spark/interpreter/src/test/java/org/apache/zeppelin/spark/SparkVersionTest.java
index acd04f58b6d..479300837a6 100644
--- a/spark/interpreter/src/test/java/org/apache/zeppelin/spark/SparkVersionTest.java
+++ b/spark/interpreter/src/test/java/org/apache/zeppelin/spark/SparkVersionTest.java
@@ -35,9 +35,10 @@ void testUnsupportedVersion() {
     assertTrue(SparkVersion.fromVersionString("2.3.0").isUnsupportedVersion());
     assertTrue(SparkVersion.fromVersionString("0.9.0").isUnsupportedVersion());
     assertTrue(SparkVersion.UNSUPPORTED_FUTURE_VERSION.isUnsupportedVersion());
-    assertTrue(SparkVersion.fromVersionString("4.3.0").isUnsupportedVersion());
+    assertTrue(SparkVersion.fromVersionString("4.4.0").isUnsupportedVersion());
     assertFalse(SparkVersion.fromVersionString("4.1.0").isUnsupportedVersion());
     assertFalse(SparkVersion.fromVersionString("4.2.0").isUnsupportedVersion());
+    assertFalse(SparkVersion.fromVersionString("4.3.0").isUnsupportedVersion());
     // should not support spark2 version of HDP 2.5
     assertTrue(SparkVersion.fromVersionString("2.0.0.2.5.0.0-1245").isUnsupportedVersion());
   }