YARN-10978. Fixing ApplicationClassLoader to Correctly Expand Glob for Windows Path

[akshatb1]

Description of PR

Using File.separator instead of "/" to make glob expansion OS agnostic.
Fixes following bug: https://issues.apache.org/jira/browse/YARN-10978

How was this patch tested?

Verified on a Windows test cluster. Yarn Auxiliary service starts correctly when the configuration is provided.

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	16m 55s		Docker mode activated.
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+0 🆗	codespell	0m 0s		codespell was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
-1 ❌	test4tests	0m 0s		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	32m 22s		trunk passed
+1 💚	compile	23m 45s		trunk passed with JDK Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04
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+1 💚	spotbugs	2m 32s		trunk passed
+1 💚	shadedclient	22m 1s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	0m 57s		the patch passed
+1 💚	compile	23m 5s		the patch passed with JDK Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04
+1 💚	javac	23m 5s		the patch passed
+1 💚	compile	20m 33s		the patch passed with JDK Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10
+1 💚	javac	20m 33s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	checkstyle	0m 59s		the patch passed
+1 💚	mvnsite	1m 32s		the patch passed
+1 💚	javadoc	1m 11s		the patch passed with JDK Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04
+1 💚	javadoc	1m 34s		the patch passed with JDK Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10
+1 💚	spotbugs	2m 36s		the patch passed
+1 💚	shadedclient	21m 36s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	unit	18m 6s		hadoop-common in the patch passed.
+1 💚	asflicense	0m 51s		The patch does not generate ASF License warnings.
		216m 42s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3558/1/artifact/out/Dockerfile
GITHUB PR	#3558
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell
uname	Linux 1aa379bed76f 4.15.0-65-generic #74-Ubuntu SMP Tue Sep 17 17:06:04 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
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Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3558/1/testReport/
Max. process+thread count	1268 (vs. ulimit of 5500)
modules	C: hadoop-common-project/hadoop-common U: hadoop-common-project/hadoop-common
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3558/1/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
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[akshatb1]

@bibinchundatt @jlowe Could you kindly help in reviewing this PR? Thanks.

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 54s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	codespell	0m 1s		codespell was not available.
+0 🆗	detsecrets	0m 1s		detect-secrets was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
-1 ❌	test4tests	0m 0s		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	39m 4s		trunk passed
+1 💚	compile	23m 18s		trunk passed with JDK Ubuntu-11.0.16+8-post-Ubuntu-0ubuntu120.04
+1 💚	compile	20m 58s		trunk passed with JDK Private Build-1.8.0_342-8u342-b07-0ubuntu1~20.04-b07
+1 💚	checkstyle	1m 28s		trunk passed
+1 💚	mvnsite	2m 3s		trunk passed
+1 💚	javadoc	1m 37s		trunk passed with JDK Ubuntu-11.0.16+8-post-Ubuntu-0ubuntu120.04
+1 💚	javadoc	1m 5s		trunk passed with JDK Private Build-1.8.0_342-8u342-b07-0ubuntu1~20.04-b07
+1 💚	spotbugs	2m 53s		trunk passed
+1 💚	shadedclient	23m 22s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	1m 1s		the patch passed
+1 💚	compile	22m 38s		the patch passed with JDK Ubuntu-11.0.16+8-post-Ubuntu-0ubuntu120.04
+1 💚	javac	22m 38s		the patch passed
+1 💚	compile	20m 53s		the patch passed with JDK Private Build-1.8.0_342-8u342-b07-0ubuntu1~20.04-b07
+1 💚	javac	20m 53s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	checkstyle	1m 27s		the patch passed
+1 💚	mvnsite	1m 54s		the patch passed
+1 💚	javadoc	1m 16s		the patch passed with JDK Ubuntu-11.0.16+8-post-Ubuntu-0ubuntu120.04
+1 💚	javadoc	1m 15s		the patch passed with JDK Private Build-1.8.0_342-8u342-b07-0ubuntu1~20.04-b07
+1 💚	spotbugs	2m 59s		the patch passed
+1 💚	shadedclient	23m 14s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	unit	18m 57s		hadoop-common in the patch passed.
+1 💚	asflicense	1m 13s		The patch does not generate ASF License warnings.
		215m 4s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3558/2/artifact/out/Dockerfile
GITHUB PR	#3558
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets
uname	Linux a79130b3a38b 4.15.0-191-generic #202-Ubuntu SMP Thu Aug 4 01:49:29 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	trunk / 11fbd9d
Default Java	Private Build-1.8.0_342-8u342-b07-0ubuntu1~20.04-b07
Multi-JDK versions	/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.16+8-post-Ubuntu-0ubuntu120.04 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_342-8u342-b07-0ubuntu1~20.04-b07
Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3558/2/testReport/
Max. process+thread count	1263 (vs. ulimit of 5500)
modules	C: hadoop-common-project/hadoop-common U: hadoop-common-project/hadoop-common
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3558/2/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
Powered by	Apache Yetus 0.14.0 https://yetus.apache.org

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[goiri]

@GauthamBanasandra this is in the direction of your current effort.
It looks good to me though.

[GauthamBanasandra]

LGTM as well.