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HADOOP-19790. Updating Minimum Required Maven Version For Hadoop Build #8214

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HADOOP-19790. Updating Minimum Required Maven Version For Hadoop Build #8214

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951ac4b
Updating Min Req Maven Version
anujmodi2021 Jan 28, 2026
d0865fb
Min Req Maven 3.9.9
anujmodi2021 Jan 29, 2026
5c0f23d
Updating Building.txt
anujmodi2021 Jan 29, 2026
6283543
Updating Version to 3.9.11
anujmodi2021 Jan 29, 2026
b6da2e3
Removing Not necessary code
anujmodi2021 Jan 29, 2026
67a35a8
Merge branch 'trunk' into HADOOP-19790
anujmodi2021 Feb 24, 2026
53e42b4
mvnw incormporate
anujmodi2021 Feb 25, 2026
675da5e
Merge branch 'trunk' into HADOOP-19790
anujmodi2021 Feb 26, 2026
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8 changes: 7 additions & 1 deletion BUILDING.txt
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Expand Up @@ -73,7 +73,13 @@ Refer to dev-support/docker/Dockerfile_ubuntu_20):
$ sudo apt-get update
$ sudo apt-get -y install openjdk-17-jdk
* Maven
$ sudo apt-get -y install maven
Most package managers do not as of January 2026 install an up to date version of Maven.
Install an up-to-date version of Maven manually, or use mvnw command, which will download one and validate it before execution.

Following commands can be used to download and install required version of Maven manually if mvnw is not used:
$ curl -L https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.11/apache-maven-3.9.11-bin.tar.gz > apache-maven-3.9.11-bin.tar.gz
$ tar -zxvf apache-maven-3.9.11-bin.tar.gz -C /opt
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@steveloughran steveloughran Jan 29, 2026

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add a checksum/signature validation stage if we are putting in code for people to run, or at least recommend it.

curl -L https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.11/apache-maven-3.9.11-bin.tar.gz.asc > apache-maven-3.9.11-bin.tar.gz.asc
curl -L https://downloads.apache.org/maven/KEYS > KEYS
gpg --import KEYS
gpg --verify apache-maven-3.9.11-bin.tar.gz.asc

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@pan3793 pan3793 Jan 30, 2026 •
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@steveloughran, if you look at the context, no installation does such verification. can we make the guide simple to match the context for now?

later we can consider Maven Wrapper https://maven.apache.org/tools/wrapper/, then ./mvnw would automatically trigger the requested version of Maven downloading, which is a much simpler way. (my previous try was abandoned because I didn't figure out how to let Yetus invoke ./mvnw instead of mvn under $PATH, but it's simple if we keep mvn for Yetus and add a ./mvnw as an alternative for developers)

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@steveloughran steveloughran Feb 2, 2026

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ok, if mvnw is listed as the install mechanism, it's a lot simpler to detail as it does the validation. Docs can just say "use an up to date version of maven; the mvnw command will download one and validate it before execution"

$ sudo ln -s /opt/apache-maven-3.9.11/bin/mvn /usr/bin
* Native libraries
$ sudo apt-get -y install build-essential autoconf automake libtool cmake zlib1g-dev pkg-config libssl-dev libsasl2-dev
* GCC 9.3.0
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2 changes: 1 addition & 1 deletion dev-support/win-paths-eg.cmd
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Expand Up @@ -38,7 +38,7 @@ SET MAVEN_OPTS=-Dmaven.repo.local=C:\Tools\m2
@REM command path
@REM

SET MAVEN_HOME=C:\Tools\apache-maven-3.5.0
SET MAVEN_HOME=C:\Tools\apache-maven-3.9.11
SET JAVA_HOME=C:\Tools\jdk
SET MSVS=C:\Program Files (x86)\Microsoft Visual Studio 12.0
SET PROTO_BIN=C:\Tools\protobuf-2.5.0
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2 changes: 1 addition & 1 deletion pom.xml
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Expand Up @@ -147,7 +147,7 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/x
for an open-ended enforcement
-->
<enforced.java.version>[${javac.version},)</enforced.java.version>
<enforced.maven.version>[3.3.0,)</enforced.maven.version>
<enforced.maven.version>[3.9.11,)</enforced.maven.version>
</properties>

<modules>
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