[
https://issues.apache.org/jira/browse/HDFS-16552?focusedWorklogId=761220&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-761220
]
ASF GitHub Bot logged work on HDFS-16552:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 23/Apr/22 03:20
Start Date: 23/Apr/22 03:20
Worklog Time Spent: 10m
Work Description: tomscut commented on PR #4210:
URL: https://github.com/apache/hadoop/pull/4210#issuecomment-1107344447
Thank you @tasanuma .
Issue Time Tracking
-------------------
Worklog Id: (was: 761220)
Time Spent: 1h 40m (was: 1.5h)
> Fix NPE for TestBlockManager
> ----------------------------
>
> Key: HDFS-16552
> URL: https://issues.apache.org/jira/browse/HDFS-16552
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Tao Li
> Assignee: Tao Li
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0, 3.2.4, 3.3.4
>
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> There is a NPE in BlockManager when run
> TestBlockManager#testSkipReconstructionWithManyBusyNodes2. Because
> NameNodeMetrics is not initialized in this unit test.
>
> Related ci link, see
> [this|https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-4209/1/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt].
> {code:java}
> [ERROR] Tests run: 34, Failures: 0, Errors: 1, Skipped: 0, Time elapsed:
> 30.088 s <<< FAILURE! - in
> org.apache.hadoop.hdfs.server.blockmanagement.TestBlockManager
> [ERROR]
> testSkipReconstructionWithManyBusyNodes2(org.apache.hadoop.hdfs.server.blockmanagement.TestBlockManager)
> Time elapsed: 2.783 s <<< ERROR!
> java.lang.NullPointerException
> at
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.scheduleReconstruction(BlockManager.java:2171)
> at
> org.apache.hadoop.hdfs.server.blockmanagement.TestBlockManager.testSkipReconstructionWithManyBusyNodes2(TestBlockManager.java:947)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
> at
> org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
> at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
> at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
> at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
> at
> org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)
> at
> org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
> at
> org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
> at
> org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)
> {code}
>
>
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