[MAPREDUCE-7284] TestCombineFileInputFormat#testMissingBlocks fails

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0, 3.3.1
• Fix Version/s: 3.2.2, 3.4.0, 3.3.1
• Component/s: test
• Target Version/s: 3.4.0
• Assignee: Akira Ajisaka
• Reporter: Akira Ajisaka
• Created: 13/Jul/20 09:12
• Updated: 27/Jan/24 00:48
• Resolved: 15/Jul/20 04:46

Description

o.a.h.mapreduce.lib.input.TestCombineFileInputFormat#testMissingBlocks fails on trunk:

[INFO] Running org.apache.hadoop.mapreduce.lib.input.TestCombineFileInputFormat
[ERROR] Tests run: 10, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 30.916 s <<< FAILURE! - in org.apache.hadoop.mapreduce.lib.input.TestCombineFileInputFormat
[ERROR] testMissingBlocks(org.apache.hadoop.mapreduce.lib.input.TestCombineFileInputFormat)  Time elapsed: 0.59 s  <<< ERROR!
java.lang.ClassCastException: org.apache.hadoop.hdfs.DistributedFileSystem cannot be cast to org.apache.hadoop.mapreduce.lib.input.TestCombineFileInputFormat$MissingBlockFileSystem
	at org.apache.hadoop.mapreduce.lib.input.TestCombineFileInputFormat.testMissingBlocks(TestCombineFileInputFormat.java:1655)
	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:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	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.runLeaf(ParentRunner.java:325)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	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)

Issue Links

• is broken by: HDFS-15450 Fix NN trash emptier to work if ViewFSOveroadScheme enabled
• links to: GitHub Pull Request #2136