HBASE-26429 HeapMemoryManager fails memstore flushes with NPE if enabled

[apurtell]

NPE in HeapMemoryManager$HeapMemoryTunerChore.flushRequested because in MemStoreFlusher.notifyFlushRequest 'type' can be null. Seems like a long standing bug. I guess nobody uses this feature?

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	8m 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.
		_ master Compile Tests _
+1 💚	mvninstall	4m 14s	master passed
+1 💚	compile	3m 10s	master passed
+1 💚	checkstyle	1m 5s	master passed
+1 💚	spotbugs	2m 7s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	3m 45s	the patch passed
+1 💚	compile	3m 6s	the patch passed
+1 💚	javac	3m 6s	the patch passed
+1 💚	checkstyle	1m 3s	the patch passed
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	hadoopcheck	19m 20s	Patch does not cause any errors with Hadoop 3.1.2 3.2.1 3.3.0.
+1 💚	spotbugs	2m 17s	the patch passed
		_ Other Tests _
+1 💚	asflicense	0m 17s	The patch does not generate ASF License warnings.
		57m 5s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3819/1/artifact/yetus-general-check/output/Dockerfile
GITHUB PR	#3819
Optional Tests	dupname asflicense javac spotbugs hadoopcheck hbaseanti checkstyle compile
uname	Linux 2c31368f7ed6 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/hbase-personality.sh
git revision	master / ed2f3a9
Default Java	AdoptOpenJDK-1.8.0_282-b08
Max. process+thread count	96 (vs. ulimit of 30000)
modules	C: hbase-server U: hbase-server
Console output	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3819/1/console
versions	git=2.17.1 maven=3.6.3 spotbugs=4.2.2
Powered by	Apache Yetus 0.12.0 https://yetus.apache.org

This message was automatically generated.

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 25s	Docker mode activated.
-0 ⚠️	yetus	0m 3s	Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --whitespace-eol-ignore-list --whitespace-tabs-ignore-list --quick-hadoopcheck
		_ Prechecks _
		_ master Compile Tests _
+1 💚	mvninstall	4m 13s	master passed
+1 💚	compile	1m 3s	master passed
+1 💚	shadedjars	8m 13s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 40s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	3m 55s	the patch passed
+1 💚	compile	1m 0s	the patch passed
+1 💚	javac	1m 0s	the patch passed
+1 💚	shadedjars	8m 21s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 35s	the patch passed
		_ Other Tests _
+1 💚	unit	146m 5s	hbase-server in the patch passed.
		176m 49s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3819/1/artifact/yetus-jdk8-hadoop3-check/output/Dockerfile
GITHUB PR	#3819
Optional Tests	javac javadoc unit shadedjars compile
uname	Linux 741f9d809161 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	dev-support/hbase-personality.sh
git revision	master / ed2f3a9
Default Java	AdoptOpenJDK-1.8.0_282-b08
Test Results	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3819/1/testReport/
Max. process+thread count	3717 (vs. ulimit of 30000)
modules	C: hbase-server U: hbase-server
Console output	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3819/1/console
versions	git=2.17.1 maven=3.6.3
Powered by	Apache Yetus 0.12.0 https://yetus.apache.org

This message was automatically generated.

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 59s	Docker mode activated.
-0 ⚠️	yetus	0m 3s	Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --whitespace-eol-ignore-list --whitespace-tabs-ignore-list --quick-hadoopcheck
		_ Prechecks _
		_ master Compile Tests _
+1 💚	mvninstall	5m 16s	master passed
+1 💚	compile	1m 19s	master passed
+1 💚	shadedjars	9m 12s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 48s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	5m 2s	the patch passed
+1 💚	compile	1m 19s	the patch passed
+1 💚	javac	1m 19s	the patch passed
+1 💚	shadedjars	9m 8s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 42s	the patch passed
		_ Other Tests _
+1 💚	unit	204m 42s	hbase-server in the patch passed.
		240m 33s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3819/1/artifact/yetus-jdk11-hadoop3-check/output/Dockerfile
GITHUB PR	#3819
Optional Tests	javac javadoc unit shadedjars compile
uname	Linux 709a0df2bbeb 4.15.0-147-generic #151-Ubuntu SMP Fri Jun 18 19:21:19 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	master / ed2f3a9
Default Java	AdoptOpenJDK-11.0.10+9
Test Results	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3819/1/testReport/
Max. process+thread count	2478 (vs. ulimit of 30000)
modules	C: hbase-server U: hbase-server
Console output	https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-3819/1/console
versions	git=2.17.1 maven=3.6.3
Powered by	Apache Yetus 0.12.0 https://yetus.apache.org

This message was automatically generated.

[virajjasani]

+1