Hadoop-18519. Backport HDFS-15383 and HADOOP-17835 to branch-3.3

[melissayou]

Description of PR

As part of HADOOP-18518, this is the second PR to fix deprecation of PathChildrenCache/TreeCache in new ZK. It's a clean cherry pick from HDFS-15383 and HADOOP-17835.

How was this patch tested?

mvn clean install -Pdist -Dtar -DskipTests -Dmaven.javadoc.skip build success

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	10m 48s		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.
+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.
			_ branch-3.3 Compile Tests _
+0 🆗	mvndep	15m 3s		Maven dependency ordering for branch
+1 💚	mvninstall	24m 9s		branch-3.3 passed
+1 💚	compile	18m 1s		branch-3.3 passed
+1 💚	checkstyle	3m 21s		branch-3.3 passed
+1 💚	mvnsite	4m 15s		branch-3.3 passed
+1 💚	javadoc	3m 48s		branch-3.3 passed
+1 💚	spotbugs	5m 47s		branch-3.3 passed
+1 💚	shadedclient	26m 0s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+0 🆗	mvndep	0m 31s		Maven dependency ordering for patch
+1 💚	mvninstall	2m 13s		the patch passed
+1 💚	compile	17m 23s		the patch passed
-1 ❌	javac	17m 23s	/results-compile-javac-root.txt	root generated 2 new + 1871 unchanged - 11 fixed = 1873 total (was 1882)
-1 ❌	blanks	0m 0s	/blanks-eol.txt	The patch has 5 line(s) that end in blanks. Use git apply --whitespace=fix <<patch_file>>. Refer https://git-scm.com/docs/git-apply
-0 ⚠️	checkstyle	3m 0s	/results-checkstyle-root.txt	root: The patch generated 3 new + 18 unchanged - 26 fixed = 21 total (was 44)
+1 💚	mvnsite	4m 6s		the patch passed
+1 💚	javadoc	3m 35s		the patch passed
+1 💚	spotbugs	6m 5s		the patch passed
+1 💚	shadedclient	26m 8s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	unit	18m 8s		hadoop-common in the patch passed.
+1 💚	unit	1m 43s		hadoop-registry in the patch passed.
+1 💚	unit	18m 12s		hadoop-hdfs-rbf in the patch passed.
+1 💚	asflicense	1m 19s		The patch does not generate ASF License warnings.
		216m 44s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5112/1/artifact/out/Dockerfile
GITHUB PR	#5112
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets
uname	Linux ed203fb1fc91 4.15.0-191-generic #202-Ubuntu SMP Thu Aug 4 01:49:29 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	branch-3.3 / d6a246d
Default Java	Private Build-1.8.0_342-8u342-b07-0ubuntu1~18.04-b07
Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5112/1/testReport/
Max. process+thread count	2053 (vs. ulimit of 5500)
modules	C: hadoop-common-project/hadoop-common hadoop-common-project/hadoop-registry hadoop-hdfs-project/hadoop-hdfs-rbf U: .
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5112/1/console
versions	git=2.17.1 maven=3.6.0 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	1m 1s		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.
+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.
			_ branch-3.3 Compile Tests _
+0 🆗	mvndep	15m 8s		Maven dependency ordering for branch
+1 💚	mvninstall	24m 43s		branch-3.3 passed
+1 💚	compile	18m 9s		branch-3.3 passed
+1 💚	checkstyle	3m 8s		branch-3.3 passed
+1 💚	mvnsite	4m 8s		branch-3.3 passed
+1 💚	javadoc	3m 47s		branch-3.3 passed
+1 💚	spotbugs	5m 57s		branch-3.3 passed
+1 💚	shadedclient	26m 0s		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	2m 11s		the patch passed
+1 💚	compile	17m 33s		the patch passed
-1 ❌	javac	17m 33s	/results-compile-javac-root.txt	root generated 2 new + 1871 unchanged - 11 fixed = 1873 total (was 1882)
+1 💚	blanks	0m 0s		The patch has no blanks issues.
-0 ⚠️	checkstyle	2m 53s	/results-checkstyle-root.txt	root: The patch generated 3 new + 18 unchanged - 26 fixed = 21 total (was 44)
+1 💚	mvnsite	4m 22s		the patch passed
+1 💚	javadoc	3m 48s		the patch passed
+1 💚	spotbugs	6m 20s		the patch passed
+1 💚	shadedclient	26m 27s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	unit	18m 25s		hadoop-common in the patch passed.
+1 💚	unit	1m 56s		hadoop-registry in the patch passed.
+1 💚	unit	20m 19s		hadoop-hdfs-rbf in the patch passed.
+1 💚	asflicense	1m 29s		The patch does not generate ASF License warnings.
		211m 35s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5112/2/artifact/out/Dockerfile
GITHUB PR	#5112
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets
uname	Linux 18e8f3c6eac5 4.15.0-191-generic #202-Ubuntu SMP Thu Aug 4 01:49:29 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	branch-3.3 / a989b86
Default Java	Private Build-1.8.0_342-8u342-b07-0ubuntu1~18.04-b07
Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5112/2/testReport/
Max. process+thread count	2060 (vs. ulimit of 5500)
modules	C: hadoop-common-project/hadoop-common hadoop-common-project/hadoop-registry hadoop-hdfs-project/hadoop-hdfs-rbf U: .
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5112/2/console
versions	git=2.17.1 maven=3.6.0 spotbugs=4.2.2
Powered by	Apache Yetus 0.14.0 https://yetus.apache.org

This message was automatically generated.

[virajith]

Thanks for the backport @melissayou . The changes look good to me - I expect the deprecated method will be addressed by HADOOP-18520. The other failures exist in trunk as well - fixing the checkstyles will not make this a clean cherry-pick.

[virajith]

I'll merge this in the next hour.