YARN-11172. Fix TestClientRMTokens#testDelegationToken introduced by HDFS-16563. by zhengchenyu · Pull Request #4408 · apache/hadoop

zhengchenyu · 2022-06-06T12:01:46Z

Description of PR

UT fail after [HDFS-16563], other yarn PR is blocked.

[ERROR] testDelegationToken(org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens)  Time elapsed: 17.379 s  <<< FAILURE!
java.lang.AssertionError
	at org.junit.Assert.fail(Assert.java:87)
	at org.junit.Assert.assertTrue(Assert.java:42)
	at org.junit.Assert.assertTrue(Assert.java:53)
	at org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens.testDelegationToken(TestClientRMTokens.java:207)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

hadoop-yetus · 2022-06-06T17:40:20Z

🎊 +1 overall

Vote	Subsystem	Runtime	Logfile	Comment
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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 _
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+1 💚	mvninstall	24m 43s		trunk passed
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+1 💚	unit	97m 46s		hadoop-yarn-server-resourcemanager in the patch passed.
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		337m 11s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4408/1/artifact/out/Dockerfile
GITHUB PR	#4408
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets
uname	Linux 1315f1331a20 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-4408/1/testReport/
Max. process+thread count	1266 (vs. ulimit of 5500)
modules	C: hadoop-common-project/hadoop-common hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager U: .
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4408/1/console
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slfan1989 · 2022-06-07T00:32:22Z

But it is recommended to write the title clearly.

assertTrue(e.getMessage().contains("Token  has expired"));

use has expired may be better and remove extra spaces.

zhengchenyu · 2022-06-07T01:41:29Z

@Hexiaoqiao @steveloughran Can you please review the PR? Some unit test fail after HDFS-16563.

steveloughran · 2022-06-09T12:22:02Z

LambdaTestUtils.intercept is the way to test this; its our reimplementation of ScalaTest intercept. if the exception class or message is wrong, the exception is rethrown.

which would you prefer in jenkins log. a message saying "an assert true failed" or "here is the exception which was raised with all its stack"?

zhengchenyu · 2022-06-09T13:48:41Z

LambdaTestUtils.intercept is the way to test this; its our reimplementation of ScalaTest intercept. if the exception class or message is wrong, the exception is rethrown.

which would you prefer in jenkins log. a message saying "an assert true failed" or "here is the exception which was raised with all its stack"?

@steveloughran

other PR link:
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4314/5/artifact/out/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt

Fail log are:

INFO] 
[ERROR] Errors: 
[ERROR] org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens.testDelegationToken(org.apache.hadoop.yarn.server.resourcemanager.TestClientRMTokens)
[ERROR]   Run 1: TestClientRMTokens.testDelegationToken:207
[ERROR]   Run 2: TestClientRMTokens.testDelegationToken:138 禄 YarnRuntime java.net.BindExceptio...
[ERROR]   Run 3: TestClientRMTokens.testDelegationToken:138 禄 YarnRuntime java.net.BindExceptio...
[INFO] 
[INFO] 
[ERROR] Tests run: 3322, Failures: 0, Errors: 1, Skipped: 9
[INFO] 
[ERROR] There are test failures.

Exception message changed by HDFS-16563. But this unit test just check the message.

zhengchenyu · 2022-06-09T14:20:59Z

LambdaTestUtils.intercept is the way to test this; its our reimplementation of ScalaTest intercept. if the exception class or message is wrong, the exception is rethrown.

which would you prefer in jenkins log. a message saying "an assert true failed" or "here is the exception which was raised with all its stack"?

I will fix the code like

      final ApplicationClientProtocol finalClientRMWithDT = clientRMWithDT;
      final GetNewApplicationRequest finalRequest = request;
      LambdaTestUtils.intercept(InvalidToken.class, "Token  has expired",
          () -> finalClientRMWithDT.getNewApplication(finalRequest));

Should I fix all code in this style? Because I found many code in TestClientRMTokens need to fix in this way.

steveloughran · 2022-06-09T15:11:06Z

just do the one which is broken. yes, the rest is out of date, but it would make for a larger patch, harder to cherrypick into branch-3.3 etc.

with intercept() if the wrong exception type or message is found, the exception is thrown again, so we understand what is there.

…HDFS-16563.

steveloughran · 2022-06-09T12:19:02Z

...emanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestClientRMTokens.java

this is pretty old code; we would never write new tests this way.
as well as being complicated, if a different exception is raised we want that stack trace

best to clean up

replace the whole section from L202 with a call of

LambdaTestUtils.intercept(InvalidToken.class, "has expired", () -> clientRMWithDT.getNewApplication(request));

look inside the intercept call to see what it does better.

I have fix this code according to your advice. Maybe it's outdated code, I have rebase it.

...emanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestClientRMTokens.java

zhengchenyu · 2022-06-13T02:53:29Z

@steveloughran Can you please review it again and merge to trunk? Some PR is blocked by this.

steveloughran

+1, merging

…DFS-16563. (#4408) Regression caused by HDFS-16563; the hdfs exception text was changed, but because it was a YARN test doing the check, Yetus didn't notice. Contributed by zhengchenyu

…HDFS-16563. (apache#4408) Regression caused by HDFS-16563; the hdfs exception text was changed, but because it was a YARN test doing the check, Yetus didn't notice. Contributed by zhengchenyu

zhengchenyu changed the title ~~YARN-11172. Fix testDelegationToken~~ YARN-11172. Fix TestClientRMTokens#testDelegationToken introduced by HDFS-16563. Jun 7, 2022

zhengchenyu closed this Jun 10, 2022

zhengchenyu deleted the YARN-11172 branch June 10, 2022 00:51

YARN-11172. Fix TestClientRMTokens#testDelegationToken introduced by …

235be55

…HDFS-16563.

zhengchenyu reopened this Jun 10, 2022

zhengchenyu closed this Jun 10, 2022

zhengchenyu reopened this Jun 10, 2022

zhengchenyu force-pushed the YARN-11172 branch from 869c6e5 to 235be55 Compare June 10, 2022 00:58

trigger ci

2ab32a9

steveloughran reviewed Jun 12, 2022

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steveloughran approved these changes Jun 17, 2022

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apache deleted a comment from hadoop-yetus Jun 17, 2022

steveloughran merged commit 80446dc into apache:trunk Jun 17, 2022

slfan1989 mentioned this pull request Jun 18, 2022

HADOOP-18284. Remove Unnecessary semicolon ';' #4422

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YARN-11172. Fix TestClientRMTokens#testDelegationToken introduced by HDFS-16563.#4408

YARN-11172. Fix TestClientRMTokens#testDelegationToken introduced by HDFS-16563.#4408
steveloughran merged 2 commits intoapache:trunkfrom
zhengchenyu:YARN-11172

zhengchenyu commented Jun 6, 2022

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zhengchenyu commented Jun 6, 2022

Description of PR

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