HDFS-15396. Fix TestViewFileSystemOverloadSchemeHdfsFileSystemContract#testListStatusRootDir

[ayushtkn]

https://issues.apache.org/jira/browse/HDFS-15396

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
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+1 💚	dupname	0m 0s	No case conflicting files found.
+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 _
+1 💚	mvninstall	21m 46s	trunk passed
+1 💚	compile	1m 8s	trunk passed
+1 💚	checkstyle	0m 45s	trunk passed
+1 💚	mvnsite	1m 13s	trunk passed
+1 💚	shadedclient	17m 18s	branch has no errors when building and testing our client artifacts.
+1 💚	javadoc	0m 43s	trunk passed
+0 🆗	spotbugs	3m 4s	Used deprecated FindBugs config; considering switching to SpotBugs.
+1 💚	findbugs	3m 2s	trunk passed
		_ Patch Compile Tests _
+1 💚	mvninstall	1m 9s	the patch passed
+1 💚	compile	1m 3s	the patch passed
+1 💚	javac	1m 3s	the patch passed
+1 💚	checkstyle	0m 41s	the patch passed
+1 💚	mvnsite	1m 7s	the patch passed
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	shadedclient	15m 25s	patch has no errors when building and testing our client artifacts.
+1 💚	javadoc	0m 40s	the patch passed
+1 💚	findbugs	3m 4s	the patch passed
		_ Other Tests _
-1 ❌	unit	108m 16s	hadoop-hdfs in the patch passed.
+1 💚	asflicense	0m 34s	The patch does not generate ASF License warnings.
		180m 24s

Reason	Tests
Failed junit tests	hadoop.hdfs.TestReconstructStripedFileWithRandomECPolicy
	hadoop.hdfs.TestRollingUpgrade
	hadoop.hdfs.TestReconstructStripedFile
	hadoop.hdfs.server.namenode.ha.TestStandbyCheckpoints
	hadoop.hdfs.server.datanode.TestBPOfferService
	hadoop.hdfs.server.namenode.TestNameNodeRetryCacheMetrics

Subsystem	Report/Notes
Docker	ClientAPI=1.40 ServerAPI=1.40 base: https://builds.apache.org/job/hadoop-multibranch/job/PR-2059/1/artifact/out/Dockerfile
GITHUB PR	#2059
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle
uname	Linux d391ebc64338 4.15.0-101-generic #102-Ubuntu SMP Mon May 11 10:07:26 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	personality/hadoop.sh
git revision	trunk / cc671b1
Default Java	Private Build-1.8.0_252-8u252-b09-1~18.04-b09
unit	https://builds.apache.org/job/hadoop-multibranch/job/PR-2059/1/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
Test Results	https://builds.apache.org/job/hadoop-multibranch/job/PR-2059/1/testReport/
Max. process+thread count	3246 (vs. ulimit of 5500)
modules	C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs
Console output	https://builds.apache.org/job/hadoop-multibranch/job/PR-2059/1/console
versions	git=2.17.1 maven=3.6.0 findbugs=3.1.0-RC1
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[ayushtkn]

Test failures aren't related

[ayushtkn]

Updated to Resolve to "/" in case of empty string

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 30s	Docker mode activated.
		_ Prechecks _
+1 💚	dupname	0m 1s	No case conflicting files found.
+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	0m 26s	Maven dependency ordering for branch
+1 💚	mvninstall	18m 51s	trunk passed
+1 💚	compile	16m 53s	trunk passed
+1 💚	checkstyle	2m 41s	trunk passed
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+0 🆗	spotbugs	3m 5s	Used deprecated FindBugs config; considering switching to SpotBugs.
+1 💚	findbugs	5m 10s	trunk passed
		_ Patch Compile Tests _
+0 🆗	mvndep	0m 26s	Maven dependency ordering for patch
+1 💚	mvninstall	1m 56s	the patch passed
+1 💚	compile	16m 19s	the patch passed
+1 💚	javac	16m 19s	the patch passed
+1 💚	checkstyle	2m 39s	the patch passed
+1 💚	mvnsite	2m 55s	the patch passed
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	shadedclient	13m 54s	patch has no errors when building and testing our client artifacts.
+1 💚	javadoc	2m 2s	the patch passed
+1 💚	findbugs	5m 27s	the patch passed
		_ Other Tests _
+1 💚	unit	9m 18s	hadoop-common in the patch passed.
-1 ❌	unit	93m 54s	hadoop-hdfs in the patch passed.
+1 💚	asflicense	1m 7s	The patch does not generate ASF License warnings.
		217m 43s

Reason	Tests
Failed junit tests	hadoop.hdfs.server.namenode.TestNameNodeRetryCacheMetrics
	hadoop.hdfs.TestReconstructStripedFileWithRandomECPolicy
	hadoop.hdfs.TestReconstructStripedFile

Subsystem	Report/Notes
Docker	ClientAPI=1.40 ServerAPI=1.40 base: https://builds.apache.org/job/hadoop-multibranch/job/PR-2059/3/artifact/out/Dockerfile
GITHUB PR	#2059
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle
uname	Linux 430d8c922c51 4.15.0-60-generic #67-Ubuntu SMP Thu Aug 22 16:55:30 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	personality/hadoop.sh
git revision	trunk / 3ca1529
Default Java	Private Build-1.8.0_252-8u252-b09-1~18.04-b09
unit	https://builds.apache.org/job/hadoop-multibranch/job/PR-2059/3/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
Test Results	https://builds.apache.org/job/hadoop-multibranch/job/PR-2059/3/testReport/
Max. process+thread count	4660 (vs. ulimit of 5500)
modules	C: hadoop-common-project/hadoop-common hadoop-hdfs-project/hadoop-hdfs U: .
Console output	https://builds.apache.org/job/hadoop-multibranch/job/PR-2059/3/console
versions	git=2.17.1 maven=3.6.0 findbugs=3.1.0-RC1
Powered by	Apache Yetus 0.12.0 https://yetus.apache.org

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[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	1m 22s	Docker mode activated.
		_ Prechecks _
+1 💚	dupname	0m 0s	No case conflicting files found.
+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	0m 59s	Maven dependency ordering for branch
+1 💚	mvninstall	22m 18s	trunk passed
+1 💚	compile	18m 32s	trunk passed
+1 💚	checkstyle	2m 52s	trunk passed
+1 💚	mvnsite	2m 51s	trunk passed
+1 💚	shadedclient	21m 45s	branch has no errors when building and testing our client artifacts.
+1 💚	javadoc	1m 46s	trunk passed
+0 🆗	spotbugs	3m 12s	Used deprecated FindBugs config; considering switching to SpotBugs.
+1 💚	findbugs	5m 22s	trunk passed
		_ Patch Compile Tests _
+0 🆗	mvndep	0m 24s	Maven dependency ordering for patch
+1 💚	mvninstall	2m 11s	the patch passed
+1 💚	compile	17m 46s	the patch passed
+1 💚	javac	17m 46s	the patch passed
+1 💚	checkstyle	2m 49s	the patch passed
+1 💚	mvnsite	2m 48s	the patch passed
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	shadedclient	16m 17s	patch has no errors when building and testing our client artifacts.
+1 💚	javadoc	1m 44s	the patch passed
+1 💚	findbugs	5m 37s	the patch passed
		_ Other Tests _
+1 💚	unit	10m 31s	hadoop-common in the patch passed.
-1 ❌	unit	113m 8s	hadoop-hdfs in the patch passed.
+1 💚	asflicense	1m 1s	The patch does not generate ASF License warnings.
		249m 49s

Reason	Tests
Failed junit tests	hadoop.hdfs.TestReconstructStripedFileWithRandomECPolicy
	hadoop.hdfs.TestReconstructStripedFile
	hadoop.hdfs.server.namenode.TestNameNodeRetryCacheMetrics

Subsystem	Report/Notes
Docker	ClientAPI=1.40 ServerAPI=1.40 base: https://builds.apache.org/job/hadoop-multibranch/job/PR-2059/2/artifact/out/Dockerfile
GITHUB PR	#2059
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle
uname	Linux 1e8528db9abf 4.15.0-101-generic #102-Ubuntu SMP Mon May 11 10:07:26 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	personality/hadoop.sh
git revision	trunk / 3ca1529
Default Java	Private Build-1.8.0_252-8u252-b09-1~18.04-b09
unit	https://builds.apache.org/job/hadoop-multibranch/job/PR-2059/2/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
Test Results	https://builds.apache.org/job/hadoop-multibranch/job/PR-2059/2/testReport/
Max. process+thread count	3224 (vs. ulimit of 5500)
modules	C: hadoop-common-project/hadoop-common hadoop-hdfs-project/hadoop-hdfs U: .
Console output	https://builds.apache.org/job/hadoop-multibranch/job/PR-2059/2/console
versions	git=2.17.1 maven=3.6.0 findbugs=3.1.0-RC1
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[umamaheswararao]

+1 LGTM

[umamaheswararao]

I have just noticed you did changes only in ViewFileSystem.java, but we should do same change in ViewFs.java also. Probably let's this JIRA stick to test passing. Reminder of change I will keep in HADOOP-17060. Or you want to revert and add that also? Let me know I will keep changes accordingly.