HDDS-2239. Fix TestOzoneFsHAUrls

[adoroszlai]

What changes were proposed in this pull request?

Make sure context classloader is restored to avoid NPE during shutdown.

https://issues.apache.org/jira/browse/HDDS-2239

How was this patch tested?

Ran TestOzoneFsHAUrls in IDE.

[adoroszlai]

/label ozone

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	40	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	@author	0	The patch does not contain any @author tags.
-1	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ trunk Compile Tests _
-1	mvninstall	37	hadoop-hdds in trunk failed.
-1	mvninstall	38	hadoop-ozone in trunk failed.
-1	compile	21	hadoop-hdds in trunk failed.
-1	compile	14	hadoop-ozone in trunk failed.
+1	checkstyle	61	trunk passed
+1	mvnsite	0	trunk passed
+1	shadedclient	1066	branch has no errors when building and testing our client artifacts.
-1	javadoc	21	hadoop-hdds in trunk failed.
-1	javadoc	18	hadoop-ozone in trunk failed.
0	spotbugs	1167	Used deprecated FindBugs config; considering switching to SpotBugs.
-1	findbugs	37	hadoop-hdds in trunk failed.
-1	findbugs	20	hadoop-ozone in trunk failed.
		_ Patch Compile Tests _
-1	mvninstall	34	hadoop-hdds in the patch failed.
-1	mvninstall	43	hadoop-ozone in the patch failed.
-1	compile	25	hadoop-hdds in the patch failed.
-1	compile	18	hadoop-ozone in the patch failed.
-1	javac	25	hadoop-hdds in the patch failed.
-1	javac	18	hadoop-ozone in the patch failed.
-0	checkstyle	33	hadoop-ozone: The patch generated 1 new + 0 unchanged - 0 fixed = 1 total (was 0)
+1	mvnsite	0	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedclient	871	patch has no errors when building and testing our client artifacts.
-1	javadoc	23	hadoop-hdds in the patch failed.
-1	javadoc	20	hadoop-ozone in the patch failed.
-1	findbugs	34	hadoop-hdds in the patch failed.
-1	findbugs	19	hadoop-ozone in the patch failed.
		_ Other Tests _
-1	unit	29	hadoop-hdds in the patch failed.
-1	unit	28	hadoop-ozone in the patch failed.
+1	asflicense	36	The patch does not generate ASF License warnings.
		2747

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/Dockerfile
GITHUB PR	#1600
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle
uname	Linux 40e4cb25f01b 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 / 10bdc59
Default Java	1.8.0_222
mvninstall	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/branch-mvninstall-hadoop-hdds.txt
mvninstall	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/branch-mvninstall-hadoop-ozone.txt
compile	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/branch-compile-hadoop-hdds.txt
compile	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/branch-compile-hadoop-ozone.txt
javadoc	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/branch-javadoc-hadoop-hdds.txt
javadoc	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/branch-javadoc-hadoop-ozone.txt
findbugs	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/branch-findbugs-hadoop-hdds.txt
findbugs	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/branch-findbugs-hadoop-ozone.txt
mvninstall	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/patch-mvninstall-hadoop-hdds.txt
mvninstall	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/patch-mvninstall-hadoop-ozone.txt
compile	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/patch-compile-hadoop-hdds.txt
compile	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/patch-compile-hadoop-ozone.txt
javac	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/patch-compile-hadoop-hdds.txt
javac	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/patch-compile-hadoop-ozone.txt
checkstyle	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/diff-checkstyle-hadoop-ozone.txt
javadoc	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/patch-javadoc-hadoop-hdds.txt
javadoc	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/patch-javadoc-hadoop-ozone.txt
findbugs	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/patch-findbugs-hadoop-hdds.txt
findbugs	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/patch-findbugs-hadoop-ozone.txt
unit	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/patch-unit-hadoop-hdds.txt
unit	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/artifact/out/patch-unit-hadoop-ozone.txt
Test Results	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/testReport/
Max. process+thread count	410 (vs. ulimit of 5500)
modules	C: hadoop-ozone/ozonefs U: hadoop-ozone/ozonefs
Console output	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/1/console
versions	git=2.7.4 maven=3.3.9
Powered by	Apache Yetus 0.10.0 http://yetus.apache.org

This message was automatically generated.

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	119	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	@author	0	The patch does not contain any @author tags.
-1	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ trunk Compile Tests _
-1	mvninstall	57	hadoop-hdds in trunk failed.
-1	mvninstall	46	hadoop-ozone in trunk failed.
-1	compile	19	hadoop-hdds in trunk failed.
-1	compile	13	hadoop-ozone in trunk failed.
+1	checkstyle	65	trunk passed
+1	mvnsite	0	trunk passed
+1	shadedclient	952	branch has no errors when building and testing our client artifacts.
-1	javadoc	20	hadoop-hdds in trunk failed.
-1	javadoc	17	hadoop-ozone in trunk failed.
0	spotbugs	1044	Used deprecated FindBugs config; considering switching to SpotBugs.
-1	findbugs	33	hadoop-hdds in trunk failed.
-1	findbugs	17	hadoop-ozone in trunk failed.
		_ Patch Compile Tests _
-1	mvninstall	37	hadoop-hdds in the patch failed.
-1	mvninstall	37	hadoop-ozone in the patch failed.
-1	compile	23	hadoop-hdds in the patch failed.
-1	compile	16	hadoop-ozone in the patch failed.
-1	javac	23	hadoop-hdds in the patch failed.
-1	javac	16	hadoop-ozone in the patch failed.
+1	checkstyle	59	the patch passed
+1	mvnsite	0	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedclient	824	patch has no errors when building and testing our client artifacts.
-1	javadoc	21	hadoop-hdds in the patch failed.
-1	javadoc	17	hadoop-ozone in the patch failed.
-1	findbugs	31	hadoop-hdds in the patch failed.
-1	findbugs	18	hadoop-ozone in the patch failed.
		_ Other Tests _
-1	unit	28	hadoop-hdds in the patch failed.
-1	unit	23	hadoop-ozone in the patch failed.
+1	asflicense	37	The patch does not generate ASF License warnings.
		2647

Subsystem	Report/Notes
Docker	Client=19.03.2 Server=19.03.2 base: https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/Dockerfile
GITHUB PR	#1600
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle
uname	Linux a09fa9b23a80 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
Personality	personality/hadoop.sh
git revision	trunk / 8de4374
Default Java	1.8.0_222
mvninstall	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/branch-mvninstall-hadoop-hdds.txt
mvninstall	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/branch-mvninstall-hadoop-ozone.txt
compile	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/branch-compile-hadoop-hdds.txt
compile	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/branch-compile-hadoop-ozone.txt
javadoc	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/branch-javadoc-hadoop-hdds.txt
javadoc	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/branch-javadoc-hadoop-ozone.txt
findbugs	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/branch-findbugs-hadoop-hdds.txt
findbugs	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/branch-findbugs-hadoop-ozone.txt
mvninstall	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/patch-mvninstall-hadoop-hdds.txt
mvninstall	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/patch-mvninstall-hadoop-ozone.txt
compile	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/patch-compile-hadoop-hdds.txt
compile	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/patch-compile-hadoop-ozone.txt
javac	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/patch-compile-hadoop-hdds.txt
javac	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/patch-compile-hadoop-ozone.txt
javadoc	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/patch-javadoc-hadoop-hdds.txt
javadoc	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/patch-javadoc-hadoop-ozone.txt
findbugs	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/patch-findbugs-hadoop-hdds.txt
findbugs	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/patch-findbugs-hadoop-ozone.txt
unit	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/patch-unit-hadoop-hdds.txt
unit	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/artifact/out/patch-unit-hadoop-ozone.txt
Test Results	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/testReport/
Max. process+thread count	305 (vs. ulimit of 5500)
modules	C: hadoop-ozone/ozonefs U: hadoop-ozone/ozonefs
Console output	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/2/console
versions	git=2.7.4 maven=3.3.9
Powered by	Apache Yetus 0.10.0 http://yetus.apache.org

This message was automatically generated.

[adoroszlai]

[INFO] Running org.apache.hadoop.fs.ozone.TestOzoneFsHAURLs
[INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 32.745 s - in org.apache.hadoop.fs.ozone.TestOzoneFsHAURLs

https://github.com/elek/ozone-ci-q4/blob/07087a6f1beec835a848cf7ee587509107334626/pr/pr-hdds-2239-t668n/integration/output.log#L2893-L2894

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	83	Docker mode activated.
		_ Prechecks _
+1	dupname	1	No case conflicting files found.
+1	@author	0	The patch does not contain any @author tags.
-1	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ trunk Compile Tests _
-1	mvninstall	45	hadoop-hdds in trunk failed.
-1	mvninstall	40	hadoop-ozone in trunk failed.
-1	compile	18	hadoop-hdds in trunk failed.
-1	compile	13	hadoop-ozone in trunk failed.
+1	checkstyle	59	trunk passed
+1	mvnsite	0	trunk passed
+1	shadedclient	944	branch has no errors when building and testing our client artifacts.
-1	javadoc	20	hadoop-hdds in trunk failed.
-1	javadoc	16	hadoop-ozone in trunk failed.
0	spotbugs	1035	Used deprecated FindBugs config; considering switching to SpotBugs.
-1	findbugs	34	hadoop-hdds in trunk failed.
-1	findbugs	17	hadoop-ozone in trunk failed.
		_ Patch Compile Tests _
-1	mvninstall	31	hadoop-hdds in the patch failed.
-1	mvninstall	34	hadoop-ozone in the patch failed.
-1	compile	21	hadoop-hdds in the patch failed.
-1	compile	16	hadoop-ozone in the patch failed.
-1	javac	21	hadoop-hdds in the patch failed.
-1	javac	16	hadoop-ozone in the patch failed.
+1	checkstyle	52	the patch passed
+1	mvnsite	0	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedclient	790	patch has no errors when building and testing our client artifacts.
-1	javadoc	19	hadoop-hdds in the patch failed.
-1	javadoc	17	hadoop-ozone in the patch failed.
-1	findbugs	29	hadoop-hdds in the patch failed.
-1	findbugs	17	hadoop-ozone in the patch failed.
		_ Other Tests _
-1	unit	24	hadoop-hdds in the patch failed.
-1	unit	23	hadoop-ozone in the patch failed.
+1	asflicense	29	The patch does not generate ASF License warnings.
		2503

Subsystem	Report/Notes
Docker	Client=19.03.2 Server=19.03.2 base: https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/Dockerfile
GITHUB PR	#1600
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle
uname	Linux eac00ef72a7d 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
Personality	personality/hadoop.sh
git revision	trunk / 022fe5f
Default Java	1.8.0_222
mvninstall	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/branch-mvninstall-hadoop-hdds.txt
mvninstall	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/branch-mvninstall-hadoop-ozone.txt
compile	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/branch-compile-hadoop-hdds.txt
compile	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/branch-compile-hadoop-ozone.txt
javadoc	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/branch-javadoc-hadoop-hdds.txt
javadoc	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/branch-javadoc-hadoop-ozone.txt
findbugs	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/branch-findbugs-hadoop-hdds.txt
findbugs	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/branch-findbugs-hadoop-ozone.txt
mvninstall	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/patch-mvninstall-hadoop-hdds.txt
mvninstall	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/patch-mvninstall-hadoop-ozone.txt
compile	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/patch-compile-hadoop-hdds.txt
compile	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/patch-compile-hadoop-ozone.txt
javac	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/patch-compile-hadoop-hdds.txt
javac	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/patch-compile-hadoop-ozone.txt
javadoc	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/patch-javadoc-hadoop-hdds.txt
javadoc	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/patch-javadoc-hadoop-ozone.txt
findbugs	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/patch-findbugs-hadoop-hdds.txt
findbugs	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/patch-findbugs-hadoop-ozone.txt
unit	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/patch-unit-hadoop-hdds.txt
unit	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/artifact/out/patch-unit-hadoop-ozone.txt
Test Results	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/testReport/
Max. process+thread count	305 (vs. ulimit of 5500)
modules	C: hadoop-ozone/ozonefs U: hadoop-ozone/ozonefs
Console output	https://builds.apache.org/job/hadoop-multibranch/job/PR-1600/3/console
versions	git=2.7.4 maven=3.3.9
Powered by	Apache Yetus 0.10.0 http://yetus.apache.org

This message was automatically generated.

[bharatviswa504]

+1 LGTM.
Thank You @adoroszlai for the fix and root causing this issue.
I will commit this to the trunk.

[adoroszlai]

Thanks @bharatviswa504 for reporting the problem, and for reviewing and committing the fix.