HDFS-15558: ViewDistributedFileSystem#recoverLease should call super.recoverLease when there are no mounts configured

[umamaheswararao]

https://issues.apache.org/jira/browse/HDFS-15558

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	2m 8s	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 2 new or modified test files.
		_ trunk Compile Tests _
+0 🆗	mvndep	3m 11s	Maven dependency ordering for branch
+1 💚	mvninstall	30m 55s	trunk passed
+1 💚	compile	4m 50s	trunk passed with JDK Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1
+1 💚	compile	3m 55s	trunk passed with JDK Private Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01
+1 💚	checkstyle	1m 5s	trunk passed
+1 💚	mvnsite	2m 19s	trunk passed
+1 💚	shadedclient	19m 22s	branch has no errors when building and testing our client artifacts.
+1 💚	javadoc	1m 35s	trunk passed with JDK Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1
+1 💚	javadoc	2m 0s	trunk passed with JDK Private Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01
+0 🆗	spotbugs	2m 30s	Used deprecated FindBugs config; considering switching to SpotBugs.
+1 💚	findbugs	5m 36s	trunk passed
		_ Patch Compile Tests _
+0 🆗	mvndep	0m 27s	Maven dependency ordering for patch
+1 💚	mvninstall	1m 58s	the patch passed
+1 💚	compile	3m 59s	the patch passed with JDK Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1
+1 💚	javac	3m 59s	the patch passed
+1 💚	compile	3m 37s	the patch passed with JDK Private Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01
+1 💚	javac	3m 37s	the patch passed
+1 💚	checkstyle	0m 50s	the patch passed
+1 💚	mvnsite	1m 59s	the patch passed
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	shadedclient	14m 10s	patch has no errors when building and testing our client artifacts.
+1 💚	javadoc	1m 23s	the patch passed with JDK Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1
+1 💚	javadoc	1m 57s	the patch passed with JDK Private Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01
+1 💚	findbugs	5m 46s	the patch passed
		_ Other Tests _
+1 💚	unit	2m 6s	hadoop-hdfs-client in the patch passed.
-1 ❌	unit	98m 15s	hadoop-hdfs in the patch passed.
+1 💚	asflicense	0m 44s	The patch does not generate ASF License warnings.
		215m 20s

Reason	Tests
Failed junit tests	hadoop.hdfs.TestDFSInotifyEventInputStreamKerberized
	hadoop.hdfs.TestFileChecksum
	hadoop.hdfs.server.balancer.TestBalancerWithMultipleNameNodes
	hadoop.hdfs.TestFileChecksumCompositeCrc
	hadoop.hdfs.server.namenode.TestDiskspaceQuotaUpdate
	hadoop.hdfs.server.sps.TestExternalStoragePolicySatisfier
	hadoop.hdfs.server.blockmanagement.TestUnderReplicatedBlocks
	hadoop.hdfs.server.namenode.ha.TestBootstrapAliasmap

Subsystem	Report/Notes
Docker	ClientAPI=1.40 ServerAPI=1.40 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2275/1/artifact/out/Dockerfile
GITHUB PR	#2275
JIRA Issue	HDFS-15558
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle
uname	Linux 54631ccca339 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9 23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	trunk / 139a43e
Default Java	Private Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01
Multi-JDK versions	/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_265-8u265-b01-0ubuntu2~18.04-b01
unit	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2275/1/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2275/1/testReport/
Max. process+thread count	3936 (vs. ulimit of 5500)
modules	C: hadoop-hdfs-project/hadoop-hdfs-client hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2275/1/console
versions	git=2.17.1 maven=3.6.0 findbugs=4.0.6
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[bharatviswa504]

+1 LGTM
Thank You @umamaheswararao for the contribution