HBASE-27991 fixing ClassCastException in multithread client run #5346

nikita15p · 2023-08-08T09:42:47Z

This PR is now open for review. The details os stack trace is captured in https://issues.apache.org/jira/projects/HBASE/issues/HBASE-27991
ForkJoinPool and ThreadPoolExecutor are both implemented classes of the ExecutorService interface from the java.util.concurrent package, which provides a framework for asynchronously executing tasks in Java.

 ExecutorService created using Executors.newFixedThreadPool(10), that gives you a ThreadPoolExecutor, can not be cast to ForkJoinPool in hbase-examples/src/main/java/org/apache/hadoop/hbase/client/example/MultiThreadedClientExample.java

Apache-HBase · 2023-08-08T10:05:24Z

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Apache-HBase · 2023-08-08T10:07:56Z

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Apache-HBase · 2023-08-08T10:10:44Z

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Apache-HBase · 2023-08-08T11:03:51Z

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Apache-HBase · 2023-08-08T11:04:23Z

🎊 +1 overall

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Apache-HBase · 2023-08-08T11:10:03Z

🎊 +1 overall

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Apache-HBase · 2023-08-09T14:49:29Z

🎊 +1 overall

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Apache-HBase · 2023-08-09T14:49:40Z

🎊 +1 overall

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		19m 6s

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Apache-HBase · 2023-08-09T14:57:37Z

💔 -1 overall

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Apache-HBase · 2023-08-09T16:33:55Z

🎊 +1 overall

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+1 💚	mvninstall	2m 15s	master passed
+1 💚	compile	0m 17s	master passed
+1 💚	shadedjars	4m 39s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 14s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	2m 18s	the patch passed
+1 💚	compile	0m 16s	the patch passed
+1 💚	javac	0m 16s	the patch passed
+1 💚	shadedjars	4m 36s	patch has no errors when building our shaded downstream artifacts.
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		18m 25s

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GITHUB PR	#5346
JIRA Issue	HBASE-27991
Optional Tests	javac javadoc unit shadedjars compile
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Apache-HBase · 2023-08-09T16:34:43Z

🎊 +1 overall

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		_ Prechecks _
		_ master Compile Tests _
+1 💚	mvninstall	2m 35s	master passed
+1 💚	compile	0m 16s	master passed
+1 💚	shadedjars	4m 56s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 13s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	2m 34s	the patch passed
+1 💚	compile	0m 16s	the patch passed
+1 💚	javac	0m 16s	the patch passed
+1 💚	shadedjars	4m 53s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 13s	the patch passed
		_ Other Tests _
+1 💚	unit	1m 40s	hbase-examples in the patch passed.
		19m 13s

Subsystem	Report/Notes
Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-5346/4/artifact/yetus-jdk11-hadoop3-check/output/Dockerfile
GITHUB PR	#5346
JIRA Issue	HBASE-27991
Optional Tests	javac javadoc unit shadedjars compile
uname	Linux aea9d95eb28d 5.4.0-1101-aws #109~18.04.1-Ubuntu SMP Mon Apr 24 20:40:49 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
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Apache-HBase · 2023-08-09T16:42:26Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 27s	Docker mode activated.
		_ Prechecks _
+1 💚	dupname	0m 0s	No case conflicting files found.
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+1 💚	@author	0m 0s	The patch does not contain any @author tags.
		_ master Compile Tests _
+1 💚	mvninstall	3m 11s	master passed
+1 💚	compile	0m 21s	master passed
+1 💚	checkstyle	0m 9s	master passed
+1 💚	spotless	0m 47s	branch has no errors when running spotless:check.
+1 💚	spotbugs	0m 31s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	2m 48s	the patch passed
+1 💚	compile	0m 19s	the patch passed
-0 ⚠️	javac	0m 19s	hbase-examples generated 2 new + 4 unchanged - 0 fixed = 6 total (was 4)
+1 💚	checkstyle	0m 7s	the patch passed
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	hadoopcheck	10m 29s	Patch does not cause any errors with Hadoop 3.2.4 3.3.5.
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+1 💚	spotbugs	0m 35s	the patch passed
		_ Other Tests _
+1 💚	asflicense	0m 10s	The patch does not generate ASF License warnings.
		26m 57s

Subsystem	Report/Notes
Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-5346/4/artifact/yetus-general-check/output/Dockerfile
GITHUB PR	#5346
JIRA Issue	HBASE-27991
Optional Tests	dupname asflicense javac spotbugs hadoopcheck hbaseanti spotless checkstyle compile
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Apache-HBase · 2023-08-09T17:01:36Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 31s	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	2m 15s	master passed
+1 💚	compile	0m 17s	master passed
+1 💚	shadedjars	4m 38s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 15s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	2m 20s	the patch passed
+1 💚	compile	0m 17s	the patch passed
+1 💚	javac	0m 17s	the patch passed
+1 💚	shadedjars	4m 33s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 16s	the patch passed
		_ Other Tests _
+1 💚	unit	1m 51s	hbase-examples in the patch passed.
		18m 21s

Subsystem	Report/Notes
Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-5346/5/artifact/yetus-jdk8-hadoop3-check/output/Dockerfile
GITHUB PR	#5346
JIRA Issue	HBASE-27991
Optional Tests	javac javadoc unit shadedjars compile
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versions	git=2.34.1 maven=3.8.6
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Apache-HBase · 2023-08-09T17:02:27Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
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		_ Prechecks _
		_ master Compile Tests _
+1 💚	mvninstall	2m 30s	master passed
+1 💚	compile	0m 15s	master passed
+1 💚	shadedjars	4m 54s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 13s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	2m 34s	the patch passed
+1 💚	compile	0m 15s	the patch passed
+1 💚	javac	0m 15s	the patch passed
+1 💚	shadedjars	4m 54s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 13s	the patch passed
		_ Other Tests _
+1 💚	unit	1m 39s	hbase-examples in the patch passed.
		19m 5s

Subsystem	Report/Notes
Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-5346/5/artifact/yetus-jdk11-hadoop3-check/output/Dockerfile
GITHUB PR	#5346
JIRA Issue	HBASE-27991
Optional Tests	javac javadoc unit shadedjars compile
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modules	C: hbase-examples U: hbase-examples
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versions	git=2.34.1 maven=3.8.6
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Apache-HBase · 2023-08-09T17:09:18Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 26s	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	2m 43s	master passed
+1 💚	compile	0m 19s	master passed
+1 💚	checkstyle	0m 8s	master passed
+1 💚	spotless	0m 42s	branch has no errors when running spotless:check.
+1 💚	spotbugs	0m 27s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	2m 50s	the patch passed
+1 💚	compile	0m 19s	the patch passed
-0 ⚠️	javac	0m 19s	hbase-examples generated 2 new + 4 unchanged - 0 fixed = 6 total (was 4)
+1 💚	checkstyle	0m 7s	the patch passed
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	hadoopcheck	10m 11s	Patch does not cause any errors with Hadoop 3.2.4 3.3.5.
+1 💚	spotless	0m 42s	patch has no errors when running spotless:check.
+1 💚	spotbugs	0m 36s	the patch passed
		_ Other Tests _
+1 💚	asflicense	0m 7s	The patch does not generate ASF License warnings.
		25m 59s

Subsystem	Report/Notes
Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-5346/5/artifact/yetus-general-check/output/Dockerfile
GITHUB PR	#5346
JIRA Issue	HBASE-27991
Optional Tests	dupname asflicense javac spotbugs hadoopcheck hbaseanti spotless checkstyle compile
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NihalJain · 2023-08-10T15:44:03Z

Thank you @nikita15p for raising you 1st PR in HBase. It would be great if you could give some context for others on how the change fixes the issue and/or why this change is needed.

NihalJain · 2023-08-10T15:46:11Z

...les/src/test/java/org/apache/hadoop/hbase/client/example/TestMultiThreadedClientExample.java

+  }
+
+  // getRowCountFromTable takes table as input and return the number of rows
+  private static int getRowCountFromTable(Table t) throws IOException {


Could we please replace this with org.apache.hadoop.hbase.HBaseTestingUtil#countRows(org.apache.hadoop.hbase.client.Table, org.apache.hadoop.hbase.client.Scan)

Apache-HBase · 2023-08-16T15:30:33Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
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		_ Prechecks _
		_ master Compile Tests _
+1 💚	mvninstall	3m 6s	master passed
+1 💚	compile	0m 15s	master passed
+1 💚	shadedjars	4m 56s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 12s	master passed
		_ Patch Compile Tests _
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+1 💚	compile	0m 15s	the patch passed
+1 💚	javac	0m 15s	the patch passed
+1 💚	shadedjars	4m 54s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 13s	the patch passed
		_ Other Tests _
+1 💚	unit	1m 41s	hbase-examples in the patch passed.
		19m 55s

Subsystem	Report/Notes
Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-5346/6/artifact/yetus-jdk11-hadoop3-check/output/Dockerfile
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JIRA Issue	HBASE-27991
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Apache-HBase · 2023-08-16T15:31:38Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 38s	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	3m 2s	master passed
+1 💚	compile	0m 17s	master passed
+1 💚	shadedjars	5m 6s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 16s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	2m 43s	the patch passed
+1 💚	compile	0m 17s	the patch passed
+1 💚	javac	0m 17s	the patch passed
+1 💚	shadedjars	5m 6s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 16s	the patch passed
		_ Other Tests _
+1 💚	unit	2m 17s	hbase-examples in the patch passed.
		21m 7s

Subsystem	Report/Notes
Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-5346/6/artifact/yetus-jdk8-hadoop3-check/output/Dockerfile
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JIRA Issue	HBASE-27991
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Apache-HBase · 2023-08-16T15:38:44Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	3m 37s	Docker mode activated.
		_ Prechecks _
+1 💚	dupname	0m 0s	No case conflicting files found.
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+1 💚	@author	0m 0s	The patch does not contain any @author tags.
		_ master Compile Tests _
+1 💚	mvninstall	2m 48s	master passed
+1 💚	compile	0m 24s	master passed
+1 💚	checkstyle	0m 11s	master passed
+1 💚	spotless	0m 44s	branch has no errors when running spotless:check.
+1 💚	spotbugs	0m 33s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	2m 47s	the patch passed
+1 💚	compile	0m 23s	the patch passed
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		_ Other Tests _
+1 💚	asflicense	0m 11s	The patch does not generate ASF License warnings.
		28m 5s

Subsystem	Report/Notes
Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-5346/6/artifact/yetus-general-check/output/Dockerfile
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JIRA Issue	HBASE-27991
Optional Tests	dupname asflicense javac spotbugs hadoopcheck hbaseanti spotless checkstyle compile
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Apache-HBase · 2023-08-16T16:14:19Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 26s	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	2m 36s	master passed
+1 💚	compile	0m 14s	master passed
+1 💚	shadedjars	4m 57s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 16s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	2m 14s	the patch passed
+1 💚	compile	0m 14s	the patch passed
+1 💚	javac	0m 14s	the patch passed
+1 💚	shadedjars	4m 53s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 12s	the patch passed
		_ Other Tests _
+1 💚	unit	1m 45s	hbase-examples in the patch passed.
		18m 54s

Subsystem	Report/Notes
Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-5346/7/artifact/yetus-jdk8-hadoop3-check/output/Dockerfile
GITHUB PR	#5346
JIRA Issue	HBASE-27991
Optional Tests	javac javadoc unit shadedjars compile
uname	Linux f864676a6188 5.4.0-1103-aws #111~18.04.1-Ubuntu SMP Tue May 23 20:04:10 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
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Personality	dev-support/hbase-personality.sh
git revision	master / `2fb2ae1`
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modules	C: hbase-examples U: hbase-examples
Console output	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-5346/7/console
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Apache-HBase · 2023-08-16T16:16:23Z

🎊 +1 overall

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+0 🆗	reexec	0m 31s	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 _
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		_ Patch Compile Tests _
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		_ Other Tests _
+1 💚	unit	1m 50s	hbase-examples in the patch passed.
		20m 46s

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Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-5346/7/artifact/yetus-jdk11-hadoop3-check/output/Dockerfile
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Apache-HBase · 2023-08-16T16:19:41Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 37s	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 _
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+1 💚	compile	0m 21s	master passed
+1 💚	checkstyle	0m 8s	master passed
+1 💚	spotless	0m 41s	branch has no errors when running spotless:check.
+1 💚	spotbugs	0m 29s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	2m 32s	the patch passed
+1 💚	compile	0m 22s	the patch passed
-0 ⚠️	javac	0m 22s	hbase-examples generated 1 new + 4 unchanged - 0 fixed = 5 total (was 4)
+1 💚	checkstyle	0m 10s	the patch passed
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+1 💚	spotbugs	0m 38s	the patch passed
		_ Other Tests _
+1 💚	asflicense	0m 7s	The patch does not generate ASF License warnings.
		24m 14s

Subsystem	Report/Notes
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Apache-HBase · 2023-08-21T13:59:37Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
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		_ Prechecks _
		_ master Compile Tests _
+1 💚	mvninstall	2m 19s	master passed
+1 💚	compile	0m 16s	master passed
+1 💚	shadedjars	4m 38s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 15s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	2m 27s	the patch passed
+1 💚	compile	0m 15s	the patch passed
+1 💚	javac	0m 15s	the patch passed
+1 💚	shadedjars	4m 37s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 15s	the patch passed
		_ Other Tests _
+1 💚	unit	1m 55s	hbase-examples in the patch passed.
		18m 16s

Subsystem	Report/Notes
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Apache-HBase · 2023-08-21T13:59:40Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 26s	Docker mode activated.
-0 ⚠️	yetus	0m 2s	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	2m 31s	master passed
+1 💚	compile	0m 15s	master passed
+1 💚	shadedjars	4m 55s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 14s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	2m 33s	the patch passed
+1 💚	compile	0m 16s	the patch passed
+1 💚	javac	0m 16s	the patch passed
+1 💚	shadedjars	4m 53s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 13s	the patch passed
		_ Other Tests _
+1 💚	unit	1m 39s	hbase-examples in the patch passed.
		18m 58s

Subsystem	Report/Notes
Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-5346/8/artifact/yetus-jdk11-hadoop3-check/output/Dockerfile
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Apache-HBase · 2023-08-21T14:07:36Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 26s	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	3m 22s	master passed
+1 💚	compile	0m 21s	master passed
+1 💚	checkstyle	0m 8s	master passed
+1 💚	spotless	0m 44s	branch has no errors when running spotless:check.
+1 💚	spotbugs	0m 32s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	2m 47s	the patch passed
+1 💚	compile	0m 21s	the patch passed
-0 ⚠️	javac	0m 21s	hbase-examples generated 1 new + 4 unchanged - 0 fixed = 5 total (was 4)
+1 💚	checkstyle	0m 7s	the patch passed
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	hadoopcheck	10m 21s	Patch does not cause any errors with Hadoop 3.2.4 3.3.5.
+1 💚	spotless	0m 42s	patch has no errors when running spotless:check.
+1 💚	spotbugs	0m 35s	the patch passed
		_ Other Tests _
+1 💚	asflicense	0m 8s	The patch does not generate ASF License warnings.
		27m 6s

Subsystem	Report/Notes
Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-5346/8/artifact/yetus-general-check/output/Dockerfile
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Optional Tests	dupname asflicense javac spotbugs hadoopcheck hbaseanti spotless checkstyle compile
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versions	git=2.34.1 maven=3.8.6 spotbugs=4.7.3
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NihalJain · 2023-08-21T19:16:22Z

Hi @Apache9 I suspect https://issues.apache.org/jira/browse/HBASE-22244 / #155 might have broken compatibility on what can be passed to ExecutorService as the failure of this example client shows that an old client code which was passing ForkJoinPool no longer works and requires a ThreadPoolExecutor only. Do you mind having a look at this one?

NihalJain · 2023-08-21T19:24:08Z

Overall the change in this PR looks good to me, if above concern is not an issue. Good catch @nikita15p :)

NihalJain · 2023-08-21T21:50:59Z

https://issues.apache.org/jira/browse/HBASE-22244

I have been able to write a UT to confirm this. Raised https://issues.apache.org/jira/browse/HBASE-28035, raised a UT PR to demonstrate same at #5365

nikita15p · 2023-09-07T03:42:55Z

Gentle Reminder: @Apache9 can u please review

ndimiduk

Thanks for the clean up and the test.

NihalJain · 2023-09-07T10:09:00Z

I suspect https://issues.apache.org/jira/browse/HBASE-22244 / #155 might have broken compatibility on what can be passed to ExecutorService as the failure of this example client shows that an old client code which was passing ForkJoinPool no longer works and requires a ThreadPoolExecutor only.

I have been able to write a UT to confirm this. Raised https://issues.apache.org/jira/browse/HBASE-28035, raised a UT PR to demonstrate same at #5365

Since we have a JIRA for the issue which cause this class to fail, I am good with this change to go in as is. We can look at the issue which introduced this bug as part of HBASE-28035.

+1 to this change.

NihalJain · 2023-09-12T09:43:45Z

Thanks for making your 1st contribution in Apache HBase @nikita15p :)

Also, could you please raise a backport PR for branch-2? Since the failure is only relevant for branch-2 as explained in #5365 (comment), so its worth getting this through jenkins in PR.

…ang.ClassCastException (#5346) Signed-off-by: Nihal Jain <[email protected]> Signed-off-by: Nick Dimiduk <[email protected]> (cherry picked from commit 75bcd3c)

…ang.ClassCastException (apache#5346) Signed-off-by: Nihal Jain <[email protected]> Signed-off-by: Nick Dimiduk <[email protected]>

…ang.ClassCastException (#5346) (#5425) Co-authored-by: Nikita Pande <[email protected]> Signed-off-by: Nihal Jain <[email protected]> Signed-off-by: Nick Dimiduk <[email protected]>

…ang.ClassCastException (#5346) (#5425) Co-authored-by: Nikita Pande <[email protected]> Signed-off-by: Nihal Jain <[email protected]> Signed-off-by: Nick Dimiduk <[email protected]> (cherry picked from commit 8caebc3)

…ang.ClassCastException (apache#5346) Signed-off-by: Nihal Jain <[email protected]> Signed-off-by: Nick Dimiduk <[email protected]>

…ang.ClassCastException (apache#5346) (apache#5425) Co-authored-by: Nikita Pande <[email protected]> Signed-off-by: Nihal Jain <[email protected]> Signed-off-by: Nick Dimiduk <[email protected]> (cherry picked from commit 8caebc3) (cherry picked from commit ae7dc1d) Change-Id: I219fe1b66e224291193c0c41d72056e8004731c1

nikita15p force-pushed the fix-HBASE-27991 branch from 5a5cd04 to 9c73464 Compare August 8, 2023 10:35

nikita15p force-pushed the fix-HBASE-27991 branch from 9c73464 to c85a076 Compare August 9, 2023 14:21

nikita15p changed the title ~~[WIP][HBASE-27991] fixing ClassCastException in multithread client run~~ [HBASE-27991] fixing ClassCastException in multithread client run Aug 9, 2023

nikita15p force-pushed the fix-HBASE-27991 branch 2 times, most recently from 7388672 to 835ef6a Compare August 9, 2023 16:20

NihalJain reviewed Aug 10, 2023

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nikita15p force-pushed the fix-HBASE-27991 branch from 4fd696a to 0f0eb76 Compare August 16, 2023 15:52

nikita15p requested a review from NihalJain August 19, 2023 19:13

nikita15p changed the title ~~[HBASE-27991] fixing ClassCastException in multithread client run~~ HBASE-27991 fixing ClassCastException in multithread client run Aug 21, 2023

HBASE-27991 fixing ClassCastException in multithread client run

f3147ff

nikita15p force-pushed the fix-HBASE-27991 branch from 0f0eb76 to f3147ff Compare August 21, 2023 13:28

ndimiduk approved these changes Sep 7, 2023

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NihalJain approved these changes Sep 7, 2023

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NihalJain merged commit 75bcd3c into apache:master Sep 12, 2023

NihalJain mentioned this pull request Sep 21, 2023

HBASE-27991 [hbase-examples] MultiThreadedClientExample throws java.l… #5425

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HBASE-27991 fixing ClassCastException in multithread client run #5346

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