[ 
https://issues.apache.org/jira/browse/HADOOP-16768?focusedWorklogId=633277&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-633277
 ]

ASF GitHub Bot logged work on HADOOP-16768:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 04/Aug/21 03:17
            Start Date: 04/Aug/21 03:17
    Worklog Time Spent: 10m 
      Work Description: aajisaka opened a new pull request #3264:
URL: https://github.com/apache/hadoop/pull/3264


   Backport HADOOP-16768 to fix TestSnappyCompressorDecompressor and 
TestCompressorDecompressor.
   
   
https://ci-hadoop.apache.org/job/hadoop-qbt-branch-3.2-java8-linux-x86_64/1/artifact/out/patch-unit-hadoop-common-project_hadoop-common.txt
   
   ```
   [ERROR] Failures: 
   [ERROR]   TestCompressorDecompressor.testCompressorDecompressor:69  Expected 
to find 'testCompressorDecompressor error !!!' but got unexpected exception: 
java.lang.NullPointerException
        at 
com.google.common.base.Preconditions.checkNotNull(Preconditions.java:877)
        at com.google.common.base.Joiner.toString(Joiner.java:452)
        at com.google.common.base.Joiner.appendTo(Joiner.java:109)
        at com.google.common.base.Joiner.appendTo(Joiner.java:152)
        at com.google.common.base.Joiner.join(Joiner.java:195)
        at com.google.common.base.Joiner.join(Joiner.java:185)
        at com.google.common.base.Joiner.join(Joiner.java:211)
        at 
org.apache.hadoop.io.compress.CompressDecompressTester$CompressionTestStrategy$2.assertCompression(CompressDecompressTester.java:329)
        at 
org.apache.hadoop.io.compress.CompressDecompressTester.test(CompressDecompressTester.java:135)
        at 
org.apache.hadoop.io.compress.TestCompressorDecompressor.testCompressorDecompressor(TestCompressorDecompressor.java:66)
        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.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)
   
   [ERROR]   
TestCompressorDecompressor.testCompressorDecompressorWithExeedBufferLimit:92  
Expected to find 'testCompressorDecompressorWithExeedBufferLimit error !!!' but 
got unexpected exception: java.lang.NullPointerException
        at 
com.google.common.base.Preconditions.checkNotNull(Preconditions.java:877)
        at com.google.common.base.Joiner.toString(Joiner.java:452)
        at com.google.common.base.Joiner.appendTo(Joiner.java:109)
        at com.google.common.base.Joiner.appendTo(Joiner.java:152)
        at com.google.common.base.Joiner.join(Joiner.java:195)
        at com.google.common.base.Joiner.join(Joiner.java:185)
        at com.google.common.base.Joiner.join(Joiner.java:211)
        at 
org.apache.hadoop.io.compress.CompressDecompressTester$CompressionTestStrategy$2.assertCompression(CompressDecompressTester.java:329)
        at 
org.apache.hadoop.io.compress.CompressDecompressTester.test(CompressDecompressTester.java:135)
        at 
org.apache.hadoop.io.compress.TestCompressorDecompressor.testCompressorDecompressorWithExeedBufferLimit(TestCompressorDecompressor.java:89)
        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.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)
   
   [ERROR] Errors: 
   [ERROR]   TestSnappyCompressorDecompressor.testSnappyCompressDecompress:192 
» Internal C...
   [ERROR]   
TestSnappyCompressorDecompressor.testSnappyCompressDecompressInMultiThreads:409 
» Runtime
   ```


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Issue Time Tracking
-------------------

            Worklog Id:     (was: 633277)
    Remaining Estimate: 0h
            Time Spent: 10m

> SnappyCompressor test cases wrongly assume that the compressed data is always 
> smaller than the input data
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-16768
>                 URL: https://issues.apache.org/jira/browse/HADOOP-16768
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: io, test
>         Environment: X86/Aarch64
> OS: Ubuntu 18.04, CentOS 8
> Snappy 1.1.7
>            Reporter: zhao bo
>            Assignee: Akira Ajisaka
>            Priority: Major
>             Fix For: 3.3.1, 3.4.0
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> * 
> org.apache.hadoop.io.compress.TestCompressorDecompressor.testCompressorDecompressor
>  * 
> org.apache.hadoop.io.compress.TestCompressorDecompressor.testCompressorDecompressorWithExeedBufferLimit
>  * 
> org.apache.hadoop.io.compress.snappy.TestSnappyCompressorDecompressor.testSnappyCompressDecompressInMultiThreads
>  * 
> org.apache.hadoop.io.compress.snappy.TestSnappyCompressorDecompressor.testSnappyCompressDecompress
> These test will fail on X86 and ARM platform.
> Trace back
>  * 
> org.apache.hadoop.io.compress.TestCompressorDecompressor.testCompressorDecompressor
>  * 
> org.apache.hadoop.io.compress.TestCompressorDecompressor.testCompressorDecompressorWithExeedBufferLimit
> 12:00:33 [ERROR]   
> TestCompressorDecompressor.testCompressorDecompressorWithExeedBufferLimit:92  
> Expected to find 'testCompressorDecompressorWithExeedBufferLimit error !!!' 
> but got un
> expected exception: java.lang.NullPointerException                            
>               
>         at 
> com.google.common.base.Preconditions.checkNotNull(Preconditions.java:877)
>         at com.google.common.base.Joiner.toString(Joiner.java:452)            
>              
>         at com.google.common.base.Joiner.appendTo(Joiner.java:109)            
>                                     
>         at com.google.common.base.Joiner.appendTo(Joiner.java:152)            
>                     
>         at com.google.common.base.Joiner.join(Joiner.java:195)                
>             
>         at com.google.common.base.Joiner.join(Joiner.java:185)
>         at com.google.common.base.Joiner.join(Joiner.java:211)
>         at 
> org.apache.hadoop.io.compress.CompressDecompressTester$CompressionTestStrategy$2.assertCompression(CompressDecompressTester.java:329)
>         at 
> org.apache.hadoop.io.compress.CompressDecompressTester.test(CompressDecompressTester.java:135)
>         at 
> org.apache.hadoop.io.compress.TestCompressorDecompressor.testCompressorDecompressorWithExeedBufferLimit(TestCompressorDecompressor.java:89)
>         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.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)
>  
>  
>  * 
> org.apache.hadoop.io.compress.snappy.TestSnappyCompressorDecompressor.testSnappyCompressDecompressInMultiThreads
>  * 
> org.apache.hadoop.io.compress.snappy.TestSnappyCompressorDecompressor.testSnappyCompressDecompress
> [ERROR] 
> testSnappyCompressDecompress(org.apache.hadoop.io.compress.snappy.TestSnappyCompressorDecompressor)
>  Time elapsed: 0.003 s <<< ERROR!
> java.lang.InternalError: Could not decompress data. Input is invalid.
>  at 
> org.apache.hadoop.io.compress.snappy.SnappyDecompressor.decompressBytesDirect(Native
>  Method)
>  at 
> org.apache.hadoop.io.compress.snappy.SnappyDecompressor.decompress(SnappyDecompressor.java:235)
>  at 
> org.apache.hadoop.io.compress.snappy.TestSnappyCompressorDecompressor.testSnappyCompressDecompress(TestSnappyCompressorDecompressor.java:192)
>  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)



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