HADOOP-9844 NPE on sasl

[steveloughran]

existing patch rebased to trunk

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	37	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	1066	trunk passed
+1	compile	1131	trunk passed
+1	checkstyle	40	trunk passed
+1	mvnsite	73	trunk passed
+1	shadedclient	733	branch has no errors when building and testing our client artifacts.
+1	javadoc	59	trunk passed
0	spotbugs	116	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	115	trunk passed
		_ Patch Compile Tests _
+1	mvninstall	49	the patch passed
+1	compile	1095	the patch passed
+1	javac	1095	the patch passed
+1	checkstyle	43	hadoop-common-project/hadoop-common: The patch generated 0 new + 203 unchanged - 1 fixed = 203 total (was 204)
+1	mvnsite	72	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedclient	623	patch has no errors when building and testing our client artifacts.
+1	javadoc	72	the patch passed
+1	findbugs	130	the patch passed
		_ Other Tests _
+1	unit	517	hadoop-common in the patch passed.
+1	asflicense	51	The patch does not generate ASF License warnings.
		6002

Subsystem	Report/Notes
Docker	Client=18.09.8 Server=18.09.8 base: https://builds.apache.org/job/hadoop-multibranch/job/PR-55/1/artifact/out/Dockerfile
GITHUB PR	#55
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle
uname	Linux 06f81e7773d7 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	personality/hadoop.sh
git revision	trunk / 7f1b76c
Default Java	1.8.0_212
Test Results	https://builds.apache.org/job/hadoop-multibranch/job/PR-55/1/testReport/
Max. process+thread count	1378 (vs. ulimit of 5500)
modules	C: hadoop-common-project/hadoop-common U: hadoop-common-project/hadoop-common
Console output	https://builds.apache.org/job/hadoop-multibranch/job/PR-55/1/console
versions	git=2.7.4 maven=3.3.9 findbugs=3.1.0-RC1
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[aajisaka]

LGTM, +1