HADOOP-18029: Update CompressionCodecFactory to handle uppercase file extensions #3739

Desmeister · 2021-12-01T00:25:25Z

Description of PR

I've updated the CompressionCodecFactory to be able to handle filenames with capitalized compression extensions. Two of the three existing internal maps used to store codecs have existing lowercase casts, but it is absent from the call inside getCodec() used for comparing path names. I updated the corresponding unit test in TestCodecFactory, to include intended use cases, and confirmed the test passes with the change.

Minor Fixes

Updated the unit test error message in the case of a null from an NPE to a rich error message.
Fixed all checkstyle warnings inside the two changed files.

How was this patch tested?

I confirmed the updated TestCodecFactory:testFinding() test passes, and reran the test suite of hadoop-common.

For code changes:

[Y] Does the title or this PR starts with the corresponding JIRA issue id (e.g. 'HADOOP-17799. Your PR title ...')?
[N/A] Object storage: have the integration tests been executed and the endpoint declared according to the connector-specific documentation?
[N/A] If adding new dependencies to the code, are these dependencies licensed in a way that is compatible for inclusion under ASF 2.0?
[N/A] If applicable, have you updated the LICENSE, LICENSE-binary, NOTICE-binary files?

…er NPE

...oject/hadoop-common/src/main/java/org/apache/hadoop/io/compress/CompressionCodecFactory.java

...mmon-project/hadoop-common/src/test/java/org/apache/hadoop/io/compress/TestCodecFactory.java

hadoop-yetus · 2021-12-01T03:42:18Z

🎊 +1 overall

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+1 💚	test4tests	0m 1s		The patch appears to include 1 new or modified test files.
			_ trunk Compile Tests _
+1 💚	mvninstall	32m 10s		trunk passed
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			_ Patch Compile Tests _
+1 💚	mvninstall	0m 57s		the patch passed
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+1 💚	spotbugs	2m 37s		the patch passed
+1 💚	shadedclient	22m 18s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	unit	17m 45s		hadoop-common in the patch passed.
+1 💚	asflicense	1m 0s		The patch does not generate ASF License warnings.
		195m 27s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3739/1/artifact/out/Dockerfile
GITHUB PR	#3739
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versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
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hadoop-yetus · 2021-12-01T09:21:13Z

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 49s		Docker mode activated.
			_ Prechecks _
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+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.
			_ trunk Compile Tests _
+1 💚	mvninstall	32m 30s		trunk passed
+1 💚	compile	22m 46s		trunk passed with JDK Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04
+1 💚	compile	20m 36s		trunk passed with JDK Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10
+1 💚	checkstyle	1m 4s		trunk passed
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+1 💚	shadedclient	22m 22s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	1m 1s		the patch passed
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+1 💚	javac	22m 32s		the patch passed
+1 💚	compile	21m 3s		the patch passed with JDK Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10
+1 💚	javac	21m 3s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
-0 ⚠️	checkstyle	1m 7s	/results-checkstyle-hadoop-common-project_hadoop-common.txt	hadoop-common-project/hadoop-common: The patch generated 1 new + 31 unchanged - 1 fixed = 32 total (was 32)
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+1 💚	spotbugs	2m 42s		the patch passed
+1 💚	shadedclient	23m 24s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	unit	17m 44s		hadoop-common in the patch passed.
+1 💚	asflicense	0m 55s		The patch does not generate ASF License warnings.
		202m 14s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3739/2/artifact/out/Dockerfile
GITHUB PR	#3739
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell
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Max. process+thread count	2772 (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-3739/2/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
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goiri · 2021-12-01T17:56:20Z

@Desmeister can you fix the checkstyle warning?

goiri · 2021-12-01T23:29:24Z

@Desmeister, I was referring to the checkstyle broken added by your changes but as you fixed the whole file already; let's go for it.

hadoop-yetus · 2021-12-01T23:34:05Z

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 51s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+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 appears to include 1 new or modified test files.
			_ trunk Compile Tests _
+1 💚	mvninstall	33m 22s		trunk passed
+1 💚	compile	22m 49s		trunk passed with JDK Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04
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+1 💚	shadedclient	22m 42s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	1m 2s		the patch passed
+1 💚	compile	22m 47s		the patch passed with JDK Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04
+1 💚	javac	22m 47s		the patch passed
+1 💚	compile	19m 35s		the patch passed with JDK Private Build-1.8.0_292-8u292-b10-0ubuntu1~20.04-b10
+1 💚	javac	19m 35s		the patch passed
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+1 💚	checkstyle	1m 8s		hadoop-common-project/hadoop-common: The patch generated 0 new + 0 unchanged - 32 fixed = 0 total (was 32)
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+1 💚	javadoc	1m 9s		the patch passed with JDK Ubuntu-11.0.11+9-Ubuntu-0ubuntu2.20.04
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+1 💚	spotbugs	2m 46s		the patch passed
+1 💚	shadedclient	23m 3s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	unit	17m 51s		hadoop-common in the patch passed.
+1 💚	asflicense	0m 56s		The patch does not generate ASF License warnings.
		201m 47s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3739/3/artifact/out/Dockerfile
GITHUB PR	#3739
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell
uname	Linux 21ba4187d130 4.15.0-112-generic #113-Ubuntu SMP Thu Jul 9 23:41:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
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Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-3739/3/testReport/
Max. process+thread count	2149 (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-3739/3/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
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giovannifumarola · 2021-12-01T23:37:05Z

Thanks Desmond. Committed.

… extensions (apache#3739) Co-authored-by: Desmond Sisson <[email protected]>

Desmeister added 3 commits November 30, 2021 14:41

Lowercase the filename comparison in getCodec()

e529026

New tests against capitalized filenames, added rich error messages ov…

e3e4967

…er NPE

Fix error message for expected null

7e2c848

goiri reviewed Dec 1, 2021

View reviewed changes

Remove StringUtils import and separate lowercase filename

917f0b3

goiri approved these changes Dec 1, 2021

View reviewed changes

Fix all checkstyle issues in changed files.

225c7df

giovannifumarola merged commit df41975 into apache:trunk Dec 1, 2021

Desmeister deleted the compressionExtensionCase branch February 17, 2022 18:51

HarshitGupta11 pushed a commit to HarshitGupta11/hadoop that referenced this pull request Nov 28, 2022

HADOOP-18029: Update CompressionCodecFactory to handle uppercase file…

9ed061d

… extensions (apache#3739) Co-authored-by: Desmond Sisson <[email protected]>

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Desmeister commented Dec 1, 2021 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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Description of PR

Minor Fixes

How was this patch tested?

For code changes:

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