HBASE-23682 Fix NPE when disable DeadServerMetricRegionChore (#1026)

[bharathv]

Signed-off-by: Bharath Vissapragada [email protected]
(cherry picked from commit 24823ec)

[bharathv]

Backport for branch-2

[binlijin]

+1

[Apache-HBase]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 35s	Docker mode activated.
		_ Prechecks _
+1 💚	dupname	0m 0s	No case conflicting files found.
+1 💚	hbaseanti	0m 0s	Patch does not have any anti-patterns.
+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.
		_ branch-2 Compile Tests _
+0 🆗	mvndep	0m 14s	Maven dependency ordering for branch
+1 💚	mvninstall	5m 21s	branch-2 passed
+1 💚	compile	1m 17s	branch-2 passed
+1 💚	checkstyle	1m 26s	branch-2 passed
+1 💚	shadedjars	4m 21s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 55s	branch-2 passed
+0 🆗	spotbugs	3m 29s	Used deprecated FindBugs config; considering switching to SpotBugs.
+1 💚	findbugs	4m 6s	branch-2 passed
		_ Patch Compile Tests _
+0 🆗	mvndep	0m 14s	Maven dependency ordering for patch
+1 💚	mvninstall	4m 50s	the patch passed
+1 💚	compile	1m 18s	the patch passed
+1 💚	javac	1m 18s	the patch passed
+1 💚	checkstyle	1m 24s	the patch passed
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	shadedjars	4m 15s	patch has no errors when building our shaded downstream artifacts.
+1 💚	hadoopcheck	15m 46s	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1 💚	javadoc	0m 54s	the patch passed
+1 💚	findbugs	4m 10s	the patch passed
		_ Other Tests _
+1 💚	unit	1m 43s	hbase-procedure in the patch passed.
-1 ❌	unit	65m 0s	hbase-server in the patch failed.
+1 💚	asflicense	1m 8s	The patch does not generate ASF License warnings.
		125m 38s

Reason	Tests
Failed junit tests	hadoop.hbase.replication.multiwal.TestReplicationSyncUpToolWithMultipleAsyncWAL
	hadoop.hbase.replication.TestReplicationKillMasterRS

Subsystem	Report/Notes
Docker	Client=19.03.5 Server=19.03.5 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-1151/1/artifact/out/Dockerfile
GITHUB PR	#1151
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux e1875a44590a 4.15.0-60-generic #67-Ubuntu SMP Thu Aug 22 16:55:30 UTC 2019 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/Base-PreCommit-GitHub-PR_PR-1151/out/precommit/personality/provided.sh
git revision	branch-2 / f46d93e
Default Java	1.8.0_181
unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-1151/1/artifact/out/patch-unit-hbase-server.txt
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-1151/1/testReport/
Max. process+thread count	9901 (vs. ulimit of 10000)
modules	C: hbase-procedure hbase-server U: .
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-1151/1/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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