HADOOP-19617 - [JDK17] Remove JUnit4 Dependency - Tools.

[slfan1989]

Description of PR

JIRA: HADOOP-19617 - [JDK17] Remove JUnit4 Dependency - Tools.

This PR aims to remove the JUnit4 dependency from the tools module, and has been successfully compiled locally. The removal of the hadoop-azure module will be handled in hadoop-azure Part 3.

How was this patch tested?

Junit Test.

For code changes:

• Does the title or this PR starts with the corresponding JIRA issue id (e.g. 'HADOOP-17799. Your PR title ...')?
• Object storage: have the integration tests been executed and the endpoint declared according to the connector-specific documentation?
• If adding new dependencies to the code, are these dependencies licensed in a way that is compatible for inclusion under ASF 2.0?
• If applicable, have you updated the LICENSE, LICENSE-binary, NOTICE-binary files?

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 21s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	codespell	0m 0s		codespell was not available.
+0 🆗	detsecrets	0m 0s		detect-secrets was not available.
+0 🆗	xmllint	0m 0s		xmllint was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
+1 💚	test4tests	0m 0s		The patch appears to include 1 new or modified test files.
			_ trunk Compile Tests _
+0 🆗	mvndep	9m 19s		Maven dependency ordering for branch
+1 💚	mvninstall	19m 50s		trunk passed
+1 💚	compile	0m 55s		trunk passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	compile	0m 47s		trunk passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	checkstyle	0m 30s		trunk passed
+1 💚	mvnsite	6m 40s		trunk passed
+1 💚	javadoc	6m 17s		trunk passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	javadoc	6m 8s		trunk passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	spotbugs	8m 45s		trunk passed
+1 💚	shadedclient	21m 2s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+0 🆗	mvndep	0m 24s		Maven dependency ordering for patch
+1 💚	mvninstall	4m 34s		the patch passed
+1 💚	compile	0m 53s		the patch passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	javac	0m 53s		the patch passed
+1 💚	compile	0m 42s		the patch passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	javac	0m 42s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	checkstyle	0m 25s		the patch passed
+1 💚	mvnsite	4m 55s		the patch passed
+1 💚	javadoc	4m 35s		the patch passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	javadoc	4m 31s		the patch passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	spotbugs	9m 58s		the patch passed
+1 💚	shadedclient	20m 50s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	unit	26m 14s		hadoop-distcp in the patch passed.
+1 💚	unit	2m 9s		hadoop-federation-balance in the patch passed.
+1 💚	unit	6m 7s		hadoop-streaming in the patch passed.
+1 💚	unit	0m 50s		hadoop-dynamometer-workload in the patch passed.
+1 💚	unit	0m 21s		hadoop-dynamometer-infra in the patch passed.
+1 💚	unit	0m 38s		hadoop-dynamometer-blockgen in the patch passed.
+1 💚	unit	1m 3s		hadoop-archives in the patch passed.
+1 💚	unit	0m 48s		hadoop-archive-logs in the patch passed.
+1 💚	unit	0m 25s		hadoop-rumen in the patch passed.
-1 ❌	unit	33m 10s	/patch-unit-hadoop-tools_hadoop-gridmix.txt	hadoop-gridmix in the patch passed.
+1 💚	unit	0m 34s		hadoop-datajoin in the patch passed.
+1 💚	unit	0m 53s		hadoop-extras in the patch passed.
+1 💚	unit	0m 24s		hadoop-kafka in the patch passed.
+1 💚	unit	0m 22s		hadoop-aliyun in the patch passed.
+1 💚	unit	11m 54s		hadoop-sls in the patch passed.
+1 💚	unit	0m 35s		hadoop-resourceestimator in the patch passed.
+1 💚	unit	0m 57s		hadoop-azure-datalake in the patch passed.
+1 💚	unit	0m 30s		hadoop-fs2img in the patch passed.
+1 💚	unit	3m 32s		hadoop-compat-bench in the patch passed.
+1 💚	asflicense	0m 34s		The patch does not generate ASF License warnings.
		228m 30s

Reason	Tests
Failed junit tests	hadoop.mapred.gridmix.TestSleepJob
	hadoop.mapred.gridmix.TestGridmixSubmission
	hadoop.mapred.gridmix.TestLoadJob

Subsystem	Report/Notes
Docker	ClientAPI=1.51 ServerAPI=1.51 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7823/2/artifact/out/Dockerfile
GITHUB PR	#7823
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient codespell detsecrets xmllint spotbugs checkstyle
uname	Linux a14b8b653f1c 5.15.0-143-generic #153-Ubuntu SMP Fri Jun 13 19:10:45 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	trunk / 6f278a0
Default Java	Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
Multi-JDK versions	/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7823/2/testReport/
Max. process+thread count	1052 (vs. ulimit of 5500)
modules	C: hadoop-tools/hadoop-distcp hadoop-tools/hadoop-federation-balance hadoop-tools/hadoop-streaming hadoop-tools/hadoop-dynamometer/hadoop-dynamometer-workload hadoop-tools/hadoop-dynamometer/hadoop-dynamometer-infra hadoop-tools/hadoop-dynamometer/hadoop-dynamometer-blockgen hadoop-tools/hadoop-archives hadoop-tools/hadoop-archive-logs hadoop-tools/hadoop-rumen hadoop-tools/hadoop-gridmix hadoop-tools/hadoop-datajoin hadoop-tools/hadoop-extras hadoop-tools/hadoop-kafka hadoop-tools/hadoop-aliyun hadoop-tools/hadoop-sls hadoop-tools/hadoop-resourceestimator hadoop-tools/hadoop-azure-datalake hadoop-tools/hadoop-fs2img hadoop-tools/hadoop-compat-bench U: hadoop-tools
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7823/2/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
Powered by	Apache Yetus 0.14.0 https://yetus.apache.org

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[hadoop-yetus]

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 25s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 1s		No case conflicting files found.
+0 🆗	codespell	0m 0s		codespell was not available.
+0 🆗	detsecrets	0m 0s		detect-secrets was not available.
+0 🆗	xmllint	0m 0s		xmllint was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
+1 💚	test4tests	0m 0s		The patch appears to include 2 new or modified test files.
			_ trunk Compile Tests _
+0 🆗	mvndep	7m 49s		Maven dependency ordering for branch
+1 💚	mvninstall	19m 24s		trunk passed
+1 💚	compile	1m 33s		trunk passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	compile	0m 44s		trunk passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	checkstyle	0m 46s		trunk passed
+1 💚	mvnsite	6m 43s		trunk passed
+1 💚	javadoc	6m 15s		trunk passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	javadoc	6m 1s		trunk passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	spotbugs	8m 52s		trunk passed
+1 💚	shadedclient	20m 47s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+0 🆗	mvndep	0m 53s		Maven dependency ordering for patch
+1 💚	mvninstall	4m 27s		the patch passed
+1 💚	compile	0m 52s		the patch passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	javac	0m 52s		the patch passed
+1 💚	compile	0m 41s		the patch passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	javac	0m 41s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	checkstyle	0m 21s		the patch passed
+1 💚	mvnsite	4m 52s		the patch passed
+1 💚	javadoc	4m 35s		the patch passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	javadoc	4m 28s		the patch passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	spotbugs	10m 5s		the patch passed
+1 💚	shadedclient	20m 56s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	unit	26m 25s		hadoop-distcp in the patch passed.
+1 💚	unit	2m 15s		hadoop-federation-balance in the patch passed.
+1 💚	unit	6m 6s		hadoop-streaming in the patch passed.
+1 💚	unit	0m 55s		hadoop-dynamometer-workload in the patch passed.
+1 💚	unit	0m 20s		hadoop-dynamometer-infra in the patch passed.
+1 💚	unit	0m 39s		hadoop-dynamometer-blockgen in the patch passed.
+1 💚	unit	1m 2s		hadoop-archives in the patch passed.
+1 💚	unit	0m 47s		hadoop-archive-logs in the patch passed.
+1 💚	unit	0m 25s		hadoop-rumen in the patch passed.
+1 💚	unit	14m 24s		hadoop-gridmix in the patch passed.
+1 💚	unit	0m 32s		hadoop-datajoin in the patch passed.
+1 💚	unit	0m 50s		hadoop-extras in the patch passed.
+1 💚	unit	0m 24s		hadoop-kafka in the patch passed.
+1 💚	unit	0m 20s		hadoop-aliyun in the patch passed.
+1 💚	unit	11m 52s		hadoop-sls in the patch passed.
+1 💚	unit	0m 36s		hadoop-resourceestimator in the patch passed.
+1 💚	unit	0m 55s		hadoop-azure-datalake in the patch passed.
+1 💚	unit	0m 28s		hadoop-fs2img in the patch passed.
+1 💚	unit	3m 34s		hadoop-compat-bench in the patch passed.
+1 💚	asflicense	0m 29s		The patch does not generate ASF License warnings.
		208m 47s

Subsystem	Report/Notes
Docker	ClientAPI=1.51 ServerAPI=1.51 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7823/3/artifact/out/Dockerfile
GITHUB PR	#7823
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient codespell detsecrets xmllint spotbugs checkstyle
uname	Linux 1f94140e2012 5.15.0-143-generic #153-Ubuntu SMP Fri Jun 13 19:10:45 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	trunk / 90676f8
Default Java	Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
Multi-JDK versions	/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7823/3/testReport/
Max. process+thread count	1029 (vs. ulimit of 5500)
modules	C: hadoop-tools/hadoop-distcp hadoop-tools/hadoop-federation-balance hadoop-tools/hadoop-streaming hadoop-tools/hadoop-dynamometer/hadoop-dynamometer-workload hadoop-tools/hadoop-dynamometer/hadoop-dynamometer-infra hadoop-tools/hadoop-dynamometer/hadoop-dynamometer-blockgen hadoop-tools/hadoop-archives hadoop-tools/hadoop-archive-logs hadoop-tools/hadoop-rumen hadoop-tools/hadoop-gridmix hadoop-tools/hadoop-datajoin hadoop-tools/hadoop-extras hadoop-tools/hadoop-kafka hadoop-tools/hadoop-aliyun hadoop-tools/hadoop-sls hadoop-tools/hadoop-resourceestimator hadoop-tools/hadoop-azure-datalake hadoop-tools/hadoop-fs2img hadoop-tools/hadoop-compat-bench U: hadoop-tools
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7823/3/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
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[slfan1989]

@Hexiaoqiao Could you please help review this PR? Thank you very much!

[cnauroth]

+1. Thank you @slfan1989 !

[slfan1989]

@cnauroth Thanks for the review! I am merging this PR into the trunk branch to continue advancing other JDK 17 upgrade-related work.