HADOOP-19854: [ABFS][Backport3.5] Namespace Detection for FNS Accounts with Soft Delete Enabled

[manika137]

Description of PR

JIRA: https://issues.apache.org/jira/browse/HADOOP-19854
Cherry-picked Commit: bf11a6f

How was this patch tested?

Test suite was run. Results added in comments below.

[manika137]

============================================================
HNS-OAuth-DFS

[WARNING] Tests run: 228, Failures: 0, Errors: 0, Skipped: 2
[ERROR] Tests run: 910, Failures: 1, Errors: 0, Skipped: 223
[WARNING] Tests run: 158, Failures: 0, Errors: 0, Skipped: 8
[WARNING] Tests run: 271, Failures: 0, Errors: 0, Skipped: 23

============================================================
HNS-SharedKey-DFS

[ERROR] Tests run: 228, Failures: 3, Errors: 0, Skipped: 3
[WARNING] Tests run: 913, Failures: 0, Errors: 0, Skipped: 169
[WARNING] Tests run: 158, Failures: 0, Errors: 0, Skipped: 8
[WARNING] Tests run: 271, Failures: 0, Errors: 0, Skipped: 10

============================================================
AppendBlob-HNS-OAuth-DFS

[ERROR] Tests run: 228, Failures: 1, Errors: 0, Skipped: 2
[WARNING] Tests run: 910, Failures: 0, Errors: 0, Skipped: 234
[WARNING] Tests run: 135, Failures: 0, Errors: 0, Skipped: 9
[WARNING] Tests run: 271, Failures: 0, Errors: 0, Skipped: 23

============================================================
NonHNS-SharedKey-Blob

[WARNING] Tests run: 228, Failures: 0, Errors: 0, Skipped: 9
[WARNING] Tests run: 760, Failures: 0, Errors: 0, Skipped: 155
[WARNING] Tests run: 158, Failures: 0, Errors: 0, Skipped: 3
[WARNING] Tests run: 271, Failures: 0, Errors: 0, Skipped: 11

============================================================
NonHNS-OAuth-Blob

[ERROR] Tests run: 228, Failures: 1, Errors: 0, Skipped: 9
[WARNING] Tests run: 757, Failures: 0, Errors: 0, Skipped: 156
[WARNING] Tests run: 158, Failures: 0, Errors: 0, Skipped: 3
[WARNING] Tests run: 271, Failures: 0, Errors: 0, Skipped: 24

============================================================
AppendBlob-NonHNS-OAuth-Blob

[WARNING] Tests run: 228, Failures: 0, Errors: 0, Skipped: 9
[WARNING] Tests run: 752, Failures: 0, Errors: 0, Skipped: 202
[WARNING] Tests run: 135, Failures: 0, Errors: 0, Skipped: 4
[WARNING] Tests run: 271, Failures: 0, Errors: 0, Skipped: 24

============================================================
HNS-Oauth-DFS-IngressBlob

[WARNING] Tests run: 228, Failures: 0, Errors: 0, Skipped: 2
[WARNING] Tests run: 784, Failures: 0, Errors: 0, Skipped: 232
[WARNING] Tests run: 158, Failures: 0, Errors: 0, Skipped: 8
[WARNING] Tests run: 271, Failures: 0, Errors: 0, Skipped: 23

[hadoop-yetus]

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 59s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	codespell	0m 1s		codespell was not available.
+0 🆗	detsecrets	0m 1s		detect-secrets 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.
			_ branch-3.5 Compile Tests _
+1 💚	mvninstall	41m 29s		branch-3.5 passed
+1 💚	compile	1m 4s		branch-3.5 passed with JDK Ubuntu-21.0.10+7-Ubuntu-124.04
+1 💚	compile	1m 8s		branch-3.5 passed with JDK Ubuntu-17.0.18+8-Ubuntu-124.04.1
+1 💚	checkstyle	1m 1s		branch-3.5 passed
+1 💚	mvnsite	1m 10s		branch-3.5 passed
+1 💚	javadoc	1m 5s		branch-3.5 passed with JDK Ubuntu-21.0.10+7-Ubuntu-124.04
+1 💚	javadoc	1m 2s		branch-3.5 passed with JDK Ubuntu-17.0.18+8-Ubuntu-124.04.1
+1 💚	spotbugs	1m 37s		branch-3.5 passed
+1 💚	shadedclient	29m 25s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	0m 34s		the patch passed
+1 💚	compile	0m 34s		the patch passed with JDK Ubuntu-21.0.10+7-Ubuntu-124.04
+1 💚	javac	0m 34s		the patch passed
+1 💚	compile	0m 35s		the patch passed with JDK Ubuntu-17.0.18+8-Ubuntu-124.04.1
+1 💚	javac	0m 35s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	checkstyle	0m 25s		the patch passed
+1 💚	mvnsite	0m 38s		the patch passed
+1 💚	javadoc	0m 30s		the patch passed with JDK Ubuntu-21.0.10+7-Ubuntu-124.04
+1 💚	javadoc	0m 30s		the patch passed with JDK Ubuntu-17.0.18+8-Ubuntu-124.04.1
+1 💚	spotbugs	1m 16s		the patch passed
+1 💚	shadedclient	28m 17s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	unit	2m 12s		hadoop-azure in the patch passed.
+1 💚	asflicense	0m 34s		The patch does not generate ASF License warnings.
		117m 52s

Subsystem	Report/Notes
Docker	ClientAPI=1.54 ServerAPI=1.54 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8459/1/artifact/out/Dockerfile
GITHUB PR	#8459
JIRA Issue	HADOOP-19854
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets
uname	Linux aed480b9bf71 5.15.0-173-generic #183-Ubuntu SMP Fri Mar 6 13:29:34 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	branch-3.5 / 7d90a93
Default Java	Ubuntu-17.0.18+8-Ubuntu-124.04.1
Multi-JDK versions	/usr/lib/jvm/java-21-openjdk-amd64:Ubuntu-21.0.10+7-Ubuntu-124.04 /usr/lib/jvm/java-17-openjdk-amd64:Ubuntu-17.0.18+8-Ubuntu-124.04.1
Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8459/1/testReport/
Max. process+thread count	610 (vs. ulimit of 5500)
modules	C: hadoop-tools/hadoop-azure U: hadoop-tools/hadoop-azure
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8459/1/console
versions	git=2.43.0 maven=3.9.11 spotbugs=4.9.7
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