HADOOP-19530. Add --enable-native-access=ALL-UNNAMED JVM option

[rohit-kb]

Description of PR

Backport of #7627

How was this patch tested?

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?

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[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	13m 34s		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 🆗	shelldocs	0m 0s		Shelldocs 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 doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
			_ branch-3.4 Compile Tests _
+0 🆗	mvndep	7m 58s		Maven dependency ordering for branch
+1 💚	mvninstall	40m 45s		branch-3.4 passed
+1 💚	compile	16m 47s		branch-3.4 passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	compile	15m 35s		branch-3.4 passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	mvnsite	2m 18s		branch-3.4 passed
+1 💚	javadoc	2m 3s		branch-3.4 passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	javadoc	2m 35s		branch-3.4 passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	shadedclient	37m 2s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+0 🆗	mvndep	0m 32s		Maven dependency ordering for patch
+1 💚	mvninstall	1m 14s		the patch passed
+1 💚	compile	16m 6s		the patch passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	javac	16m 6s		the patch passed
+1 💚	compile	15m 38s		the patch passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	javac	15m 38s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	mvnsite	2m 16s		the patch passed
+1 💚	shellcheck	0m 2s		No new issues.
+1 💚	javadoc	1m 59s		the patch passed with JDK Ubuntu-11.0.27+6-post-Ubuntu-0ubuntu120.04
+1 💚	javadoc	2m 33s		the patch passed with JDK Private Build-1.8.0_452-8u452-gaus1-0ubuntu120.04-b09
+1 💚	shadedclient	39m 24s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	unit	0m 38s		hadoop-project in the patch passed.
+1 💚	unit	19m 54s		hadoop-common in the patch passed.
+1 💚	asflicense	1m 5s		The patch does not generate ASF License warnings.
		234m 29s

Subsystem	Report/Notes
Docker	ClientAPI=1.55 ServerAPI=1.55 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8605/1/artifact/out/Dockerfile
GITHUB PR	#8605
Optional Tests	dupname asflicense mvnsite unit codespell detsecrets shellcheck shelldocs compile javac javadoc mvninstall shadedclient xmllint
uname	Linux 36c560516285 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	branch-3.4 / 8b5f028
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-8605/1/testReport/
Max. process+thread count	3152 (vs. ulimit of 5500)
modules	C: hadoop-project hadoop-common-project/hadoop-common U: .
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8605/1/console
versions	git=2.25.1 maven=3.6.3 shellcheck=0.7.0
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[adoroszlai]

Thanks @rohit-kb for the patch.

[rohit-kb]

Thanks @adoroszlai for the review and the merge