HDFS-15322. Make NflyFS to work when ViewFsOverloadScheme's scheme and target uris schemes are same.

[umamaheswararao]

HDFS-15322. Make NflyFS to work when ViewFsOverloadScheme's scheme and target uris schemes are same.

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	1m 39s	Docker mode activated.
		_ Prechecks _
+1 💚	dupname	0m 0s	No case conflicting files found.
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		_ trunk Compile Tests _
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		_ Patch Compile Tests _
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-0 ⚠️	checkstyle	2m 53s	root: The patch generated 3 new + 126 unchanged - 0 fixed = 129 total (was 126)
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-1 ❌	shadedclient	16m 14s	patch has errors when building and testing our client artifacts.
+1 💚	javadoc	1m 46s	the patch passed
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		_ Other Tests _
-1 ❌	unit	9m 31s	hadoop-common in the patch passed.
-1 ❌	unit	113m 1s	hadoop-hdfs in the patch passed.
+1 💚	asflicense	0m 54s	The patch does not generate ASF License warnings.
		256m 8s

Reason	Tests
Failed junit tests	hadoop.fs.viewfs.TestViewFsTrash
	hadoop.hdfs.qjournal.server.TestJournalNodeSync
	hadoop.hdfs.server.namenode.TestNameNodeRetryCacheMetrics
	hadoop.hdfs.server.namenode.ha.TestBootstrapAliasmap

Subsystem	Report/Notes
Docker	ClientAPI=1.40 ServerAPI=1.40 base: https://builds.apache.org/job/hadoop-multibranch/job/PR-2025/1/artifact/out/Dockerfile
GITHUB PR	#2025
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle
uname	Linux 63798a6f64d4 4.15.0-74-generic #84-Ubuntu SMP Thu Dec 19 08:06:28 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
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Personality	personality/hadoop.sh
git revision	trunk / 6e416a8
Default Java	Private Build-1.8.0_252-8u252-b09-1~18.04-b09
mvninstall	https://builds.apache.org/job/hadoop-multibranch/job/PR-2025/1/artifact/out/branch-mvninstall-root.txt
checkstyle	https://builds.apache.org/job/hadoop-multibranch/job/PR-2025/1/artifact/out/diff-checkstyle-root.txt
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unit	https://builds.apache.org/job/hadoop-multibranch/job/PR-2025/1/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
Test Results	https://builds.apache.org/job/hadoop-multibranch/job/PR-2025/1/testReport/
Max. process+thread count	3064 (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-2025/1/console
versions	git=2.17.1 maven=3.6.0 findbugs=3.1.0-RC1
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[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	1m 14s	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.
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		_ trunk Compile Tests _
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+0 🆗	spotbugs	3m 8s	Used deprecated FindBugs config; considering switching to SpotBugs.
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		_ Patch Compile Tests _
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-0 ⚠️	checkstyle	2m 54s	root: The patch generated 1 new + 126 unchanged - 0 fixed = 127 total (was 126)
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-1 ❌	shadedclient	16m 16s	patch has errors when building and testing our client artifacts.
+1 💚	javadoc	1m 43s	the patch passed
+1 💚	findbugs	5m 32s	the patch passed
		_ Other Tests _
+1 💚	unit	9m 27s	hadoop-common in the patch passed.
-1 ❌	unit	116m 53s	hadoop-hdfs in the patch passed.
+1 💚	asflicense	0m 52s	The patch does not generate ASF License warnings.
		250m 25s

Reason	Tests
Failed junit tests	hadoop.hdfs.qjournal.server.TestJournalNodeSync
	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-2025/2/artifact/out/Dockerfile
GITHUB PR	#2025
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle
uname	Linux 7936941687ab 4.15.0-74-generic #84-Ubuntu SMP Thu Dec 19 08:06:28 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
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git revision	trunk / a3809d2
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mvninstall	https://builds.apache.org/job/hadoop-multibranch/job/PR-2025/2/artifact/out/branch-mvninstall-root.txt
checkstyle	https://builds.apache.org/job/hadoop-multibranch/job/PR-2025/2/artifact/out/diff-checkstyle-root.txt
unit	https://builds.apache.org/job/hadoop-multibranch/job/PR-2025/2/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
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Max. process+thread count	2884 (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-2025/2/console
versions	git=2.17.1 maven=3.6.0 findbugs=3.1.0-RC1
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[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 36s	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 3 new or modified test files.
		_ trunk Compile Tests _
+0 🆗	mvndep	1m 2s	Maven dependency ordering for branch
+1 💚	mvninstall	19m 1s	trunk passed
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+0 🆗	spotbugs	3m 14s	Used deprecated FindBugs config; considering switching to SpotBugs.
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		_ Patch Compile Tests _
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-0 ⚠️	checkstyle	2m 37s	root: The patch generated 1 new + 126 unchanged - 0 fixed = 127 total (was 126)
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		_ Other Tests _
+1 💚	unit	9m 29s	hadoop-common in the patch passed.
-1 ❌	unit	113m 43s	hadoop-hdfs in the patch passed.
+1 💚	asflicense	1m 1s	The patch does not generate ASF License warnings.
		241m 9s

Reason	Tests
Failed junit tests	hadoop.hdfs.server.blockmanagement.TestUnderReplicatedBlocks
	hadoop.hdfs.server.namenode.TestNameNodeRetryCacheMetrics
	hadoop.hdfs.server.namenode.TestNamenodeRetryCache
	hadoop.hdfs.server.balancer.TestBalancerRPCDelay
	hadoop.hdfs.TestSafeModeWithStripedFileWithRandomECPolicy
	hadoop.hdfs.server.namenode.TestAddStripedBlockInFBR
	hadoop.hdfs.server.balancer.TestBalancerWithHANameNodes
	hadoop.hdfs.TestDecommissionWithStriped
	hadoop.hdfs.server.namenode.TestDecommissioningStatus
	hadoop.hdfs.TestReconstructStripedFile
	hadoop.hdfs.server.balancer.TestBalancerWithMultipleNameNodes
	hadoop.hdfs.TestDFSPermission
	hadoop.hdfs.server.balancer.TestBalancerWithNodeGroup
	hadoop.hdfs.client.impl.TestBlockReaderLocal

Subsystem	Report/Notes
Docker	ClientAPI=1.40 ServerAPI=1.40 base: https://builds.apache.org/job/hadoop-multibranch/job/PR-2025/3/artifact/out/Dockerfile
GITHUB PR	#2025
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle
uname	Linux cd51160939de 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 11:12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
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git revision	trunk / cef0756
Default Java	Private Build-1.8.0_252-8u252-b09-1~18.04-b09
checkstyle	https://builds.apache.org/job/hadoop-multibranch/job/PR-2025/3/artifact/out/diff-checkstyle-root.txt
unit	https://builds.apache.org/job/hadoop-multibranch/job/PR-2025/3/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
Test Results	https://builds.apache.org/job/hadoop-multibranch/job/PR-2025/3/testReport/
Max. process+thread count	3909 (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-2025/3/console
versions	git=2.17.1 maven=3.6.0 findbugs=3.1.0-RC1
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[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 41s	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 3 new or modified test files.
		_ trunk Compile Tests _
+0 🆗	mvndep	0m 25s	Maven dependency ordering for branch
+1 💚	mvninstall	20m 21s	trunk passed
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		_ Patch Compile Tests _
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-1 ❌	mvnsite	0m 38s	hadoop-common in the patch failed.
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
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+1 💚	javadoc	2m 3s	the patch passed
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		_ Other Tests _
+1 💚	unit	10m 19s	hadoop-common in the patch passed.
-1 ❌	unit	106m 24s	hadoop-hdfs in the patch passed.
+1 💚	asflicense	1m 5s	The patch does not generate ASF License warnings.
		236m 52s

Reason	Tests
Failed junit tests	hadoop.hdfs.server.blockmanagement.TestUnderReplicatedBlocks
	hadoop.hdfs.server.namenode.TestNameNodeRetryCacheMetrics
	hadoop.hdfs.server.namenode.TestAddOverReplicatedStripedBlocks
	hadoop.hdfs.server.balancer.TestBalancerService
	hadoop.hdfs.tools.TestWebHDFSStoragePolicyCommands
	hadoop.hdfs.server.balancer.TestBalancerWithEncryptedTransfer
	hadoop.hdfs.server.balancer.TestBalancerWithHANameNodes
	hadoop.hdfs.TestMultipleNNPortQOP
	hadoop.hdfs.server.namenode.TestEditLogRace
	hadoop.hdfs.TestReadStripedFileWithDNFailure
	hadoop.hdfs.tools.TestECAdmin
	hadoop.hdfs.server.namenode.TestDefaultBlockPlacementPolicy
	hadoop.hdfs.server.balancer.TestBalancerWithNodeGroup
	hadoop.hdfs.TestAclsEndToEnd

Subsystem	Report/Notes
Docker	ClientAPI=1.40 ServerAPI=1.40 base: https://builds.apache.org/job/hadoop-multibranch/job/PR-2025/4/artifact/out/Dockerfile
GITHUB PR	#2025
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle
uname	Linux 37c0736596f8 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 11:12:41 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
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unit	https://builds.apache.org/job/hadoop-multibranch/job/PR-2025/4/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
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Max. process+thread count	4207 (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-2025/4/console
versions	git=2.17.1 maven=3.6.0 findbugs=3.1.0-RC1
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[jojochuang]

LGTM. Could you verify the test failures are unrelated?

[umamaheswararao]

Thanks @jojochuang for the review!
I verified test failures due to :
java.lang.OutOfMemoryError: unable to create new native thread
In very latest change was only just unused import removal. Prior to that these test were passed in previous report already. So, they are unrelated to this changes.