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HDDS-14439. Require Java 17 for server components #9640

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HDDS-14439. Require Java 17 for server components #9640

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27723d7
HDDS-14439. Require Java 17 for server components
adoroszlai Jan 16, 2026
7d488bd
skip findbugs in CI
adoroszlai Jan 16, 2026
ae97ac2
Merge remote-tracking branch 'origin/master' into HDDS-14439
adoroszlai Feb 9, 2026
05ba750
make server java version the default
adoroszlai Feb 9, 2026
e815966
use Java 8 in interface modules
adoroszlai Feb 9, 2026
55cc110
Merge remote-tracking branch 'origin/master' into HDDS-14439
adoroszlai Mar 3, 2026
4a15ca9
compile ozone-tools for java 8
adoroszlai Mar 3, 2026
d657ed0
Merge remote-tracking branch 'origin/master' into HDDS-14439
adoroszlai Mar 9, 2026
cb7126f
use Java 8 for ozone-freon
adoroszlai Mar 9, 2026
8e91b7c
update required Java version [skip ci]
adoroszlai Mar 10, 2026
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3 changes: 1 addition & 2 deletions .github/workflows/ci.yml
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Expand Up @@ -155,7 +155,7 @@ jobs:
if: needs.build-info.outputs.needs-compile == 'true'
strategy:
matrix:
java: [ 8, 11, 17 ]
java: [ 17 ]
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@szetszwo szetszwo Feb 1, 2026

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If we remove the JDK 8 and 11 cases, someone could break JDK 8 compatibility without be notice (e.g. using JDK 9 syntax in the code or adding a new client module requiring JDK 17). Is it possible to run test using JDK 17 to start the servers and JDK 8 to run the clients?

Or we should add a new test matrix to use JDK 8 compiling all the client modules and run some tests not requiring the servers (e.g. print out the version).

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@adoroszlai adoroszlai Feb 7, 2026

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Is it possible to run test using JDK 17 to start the servers and JDK 8 to run the clients?

Good idea, started working on that (HDDS-14579, HDDS-14581). Converting this to draft until test coverage with Java 8 is added.

include:
- os: ubuntu-24.04
- java: 21
Expand All @@ -182,7 +182,6 @@ jobs:
uses: ./.github/workflows/check.yml
with:
checkout-fetch-depth: ${{ matrix.check != 'bats' && 1 || 0 }}
java-version: 8 # HDDS-10150
needs-maven-cache: ${{ !contains('author,bats', matrix.check) }}
ratis-args: ${{ inputs.ratis_args }}
script: ${{ matrix.check }}
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4 changes: 2 additions & 2 deletions CONTRIBUTING.md
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Expand Up @@ -40,8 +40,8 @@ If you have any questions, please don't hesitate to contact
Requirements to compile the code:

* Unix System
* JDK 1.8 or higher
* Maven 3.6 or later
* JDK 17 or later; client modules can be built with JDK 8
* Maven 3.6.3 or later
* Internet connection for first build (to fetch all Maven and Ozone dependencies)

(Standard development tools such as make, gcc, etc. are required.)
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4 changes: 4 additions & 0 deletions hadoop-hdds/config/pom.xml
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Expand Up @@ -25,6 +25,10 @@
<name>Apache Ozone HDDS Config</name>
<description>Apache Ozone Distributed Data Store Config Tools</description>

<properties>
<maven.compiler.release>${ozone.java.version.client}</maven.compiler.release>
</properties>

<dependencies>
<dependency>
<groupId>org.slf4j</groupId>
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2 changes: 2 additions & 0 deletions hadoop-hdds/framework/pom.xml
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Expand Up @@ -27,6 +27,8 @@

<properties>
<classpath.skip>false</classpath.skip>
<!-- hdds-server-framework is used by ozone-cli-admin -->
<maven.compiler.release>${ozone.java.version.client}</maven.compiler.release>
</properties>

<dependencies>
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4 changes: 4 additions & 0 deletions hadoop-hdds/hadoop-dependency-client/pom.xml
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Expand Up @@ -25,6 +25,10 @@
<name>Apache Ozone HDDS Hadoop Client dependencies</name>
<description>Apache Ozone Distributed Data Store Hadoop client dependencies</description>

<properties>
<maven.compiler.release>${ozone.java.version.client}</maven.compiler.release>
</properties>

<dependencyManagement>
<dependencies>
<dependency>
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1 change: 1 addition & 0 deletions hadoop-hdds/interface-admin/pom.xml
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Expand Up @@ -26,6 +26,7 @@
<description>Apache Ozone Distributed Data Store Admin interface</description>

<properties>
<maven.compiler.release>${ozone.java.version.client}</maven.compiler.release>
<!-- no testable code in this module -->
<maven.test.skip>true</maven.test.skip>
<!-- only generated code in this module -->
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1 change: 1 addition & 0 deletions hadoop-hdds/interface-client/pom.xml
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Expand Up @@ -26,6 +26,7 @@
<description>Apache Ozone Distributed Data Store Client interface</description>

<properties>
<maven.compiler.release>${ozone.java.version.client}</maven.compiler.release>
<!-- no testable code in this module -->
<maven.test.skip>true</maven.test.skip>
<!-- only generated code in this module -->
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1 change: 1 addition & 0 deletions hadoop-hdds/interface-server/pom.xml
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Expand Up @@ -26,6 +26,7 @@
<description>Apache Ozone Distributed Data Store Server interface</description>

<properties>
<maven.compiler.release>${ozone.java.version.client}</maven.compiler.release>
<!-- no testable code in this module -->
<maven.test.skip>true</maven.test.skip>
<!-- only generated code in this module -->
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4 changes: 4 additions & 0 deletions hadoop-hdds/test-utils/pom.xml
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Expand Up @@ -25,6 +25,10 @@
<name>Apache Ozone HDDS Test Utils</name>
<description>Apache Ozone Distributed Data Store Test Utils</description>

<properties>
<maven.compiler.release>${ozone.java.version.client}</maven.compiler.release>
</properties>

<dependencies>
<dependency>
<groupId>ch.qos.reload4j</groupId>
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2 changes: 1 addition & 1 deletion hadoop-ozone/dev-support/checks/findbugs.sh
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Expand Up @@ -14,7 +14,7 @@
# See the License for the specific language governing permissions and
# limitations under the License.

#checks:basic
#checks:skipped

set -u -o pipefail

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1 change: 1 addition & 0 deletions hadoop-ozone/freon/pom.xml
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Expand Up @@ -27,6 +27,7 @@

<properties>
<classpath.skip>false</classpath.skip>
<maven.compiler.release>${ozone.java.version.client}</maven.compiler.release>
</properties>

<dependencies>
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3 changes: 1 addition & 2 deletions hadoop-ozone/insight/pom.xml
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Expand Up @@ -16,9 +16,8 @@
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.apache.ozone</groupId>
<artifactId>hdds-hadoop-dependency-client</artifactId>
<artifactId>ozone</artifactId>
<version>2.2.0-SNAPSHOT</version>
<relativePath>../../hadoop-hdds/hadoop-dependency-client</relativePath>
</parent>
<artifactId>ozone-insight</artifactId>
<version>2.2.0-SNAPSHOT</version>
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1 change: 1 addition & 0 deletions hadoop-ozone/interface-client/pom.xml
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Expand Up @@ -26,6 +26,7 @@
<description>Apache Ozone Client interface</description>

<properties>
<maven.compiler.release>${ozone.java.version.client}</maven.compiler.release>
<!-- no tests in this module so far -->
<maven.test.skip>true</maven.test.skip>
<!-- only generated code in this module -->
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1 change: 1 addition & 0 deletions hadoop-ozone/ozonefs-common/pom.xml
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Expand Up @@ -26,6 +26,7 @@
<name>Apache Ozone FileSystem Common</name>
<properties>
<file.encoding>UTF-8</file.encoding>
<maven.compiler.release>${ozone.java.version.client}</maven.compiler.release>
</properties>

<dependencies>
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3 changes: 3 additions & 0 deletions hadoop-ozone/ozonefs-hadoop2/pom.xml
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Expand Up @@ -23,6 +23,9 @@
<version>2.2.0-SNAPSHOT</version>
<packaging>jar</packaging>
<name>Apache Ozone FS Hadoop 2.x compatibility</name>
<properties>
<maven.compiler.release>${ozone.java.version.client}</maven.compiler.release>
</properties>
<dependencies>
<dependency>
<groupId>org.apache.hadoop</groupId>
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1 change: 1 addition & 0 deletions hadoop-ozone/ozonefs-hadoop3/pom.xml
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Expand Up @@ -24,6 +24,7 @@
<packaging>jar</packaging>
<name>Apache Ozone FS Hadoop 3.x compatibility</name>
<properties>
<maven.compiler.release>${ozone.java.version.client}</maven.compiler.release>
<!-- no tests in this module so far -->
<maven.test.skip>true</maven.test.skip>
</properties>
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1 change: 1 addition & 0 deletions hadoop-ozone/ozonefs-shaded/pom.xml
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Expand Up @@ -25,6 +25,7 @@
<name>Apache Ozone FileSystem Shaded</name>

<properties>
<maven.compiler.release>${ozone.java.version.client}</maven.compiler.release>
<!-- no tests in this module so far -->
<maven.test.skip>true</maven.test.skip>
<mdep.analyze.skip>true</mdep.analyze.skip>
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1 change: 1 addition & 0 deletions hadoop-ozone/tools/pom.xml
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Expand Up @@ -27,6 +27,7 @@

<properties>
<classpath.skip>false</classpath.skip>
<maven.compiler.release>${ozone.java.version.client}</maven.compiler.release>
</properties>

<dependencies>
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4 changes: 3 additions & 1 deletion pom.xml
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Expand Up @@ -161,7 +161,7 @@
<maven-surefire-plugin.version>3.5.2</maven-surefire-plugin.version>
<maven-surefire-report-plugin.version>${maven-surefire-plugin.version}</maven-surefire-report-plugin.version>
<maven.compiler.createMissingPackageInfoClass>false</maven.compiler.createMissingPackageInfoClass>
<maven.compiler.release>8</maven.compiler.release>
<maven.compiler.release>${ozone.java.version.server}</maven.compiler.release>
<maven.core.version>3.9.12</maven.core.version>
<maven.test.redirectTestOutputToFile>true</maven.test.redirectTestOutputToFile>
<metainf-services.version>1.11</metainf-services.version>
Expand All @@ -173,6 +173,8 @@
<okhttp3.version>4.12.0</okhttp3.version>
<opentelemetry.version>1.58.0</opentelemetry.version>
<os-maven-plugin.version>1.7.1</os-maven-plugin.version>
<ozone.java.version.client>8</ozone.java.version.client>
<ozone.java.version.server>17</ozone.java.version.server>
<ozone.release>Katmai</ozone.release>
<ozone.shaded.native.prefix>org_apache_ozone_shaded</ozone.shaded.native.prefix>
<ozone.shaded.prefix>org.apache.ozone.shaded</ozone.shaded.prefix>
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