Lei (Eddy) Xu created HADOOP-14517:
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             Summary: Fix 
TestDFSStripedInputStreamWithRandomECPolicy#testPreadWithDNFailure failure
                 Key: HADOOP-14517
                 URL: https://issues.apache.org/jira/browse/HADOOP-14517
             Project: Hadoop Common
          Issue Type: Bug
    Affects Versions: 3.0.0-alpha3
            Reporter: Lei (Eddy) Xu


TestDFSStripedInputStreamWithRandomECPolicy#testPreadWithDNFailure fails on 
trunk:


{code}
Running org.apache.hadoop.hdfs.TestDFSStripedInputStreamWithRandomECPolicy
Tests run: 5, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 10.99 sec <<< 
FAILURE! - in org.apache.hadoop.hdfs.TestDFSStripedInputStreamWithRandomECPolicy
testPreadWithDNFailure(org.apache.hadoop.hdfs.TestDFSStripedInputStreamWithRandomECPolicy)
  Time elapsed: 1.265 sec  <<< FAILURE!
org.junit.internal.ArrayComparisonFailure: arrays first differed at element 
[327680]; expected:<-36> but was:<2>
        at 
org.junit.internal.ComparisonCriteria.arrayEquals(ComparisonCriteria.java:50)
        at org.junit.Assert.internalArrayEquals(Assert.java:473)
        at org.junit.Assert.assertArrayEquals(Assert.java:294)
        at org.junit.Assert.assertArrayEquals(Assert.java:305)
        at 
org.apache.hadoop.hdfs.TestDFSStripedInputStream.testPreadWithDNFailure(TestDFSStripedInputStream.java:306)
        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$1.runReflectiveCall(FrameworkMethod.java:47)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
        at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at 
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
        at 
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
        at 
org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
{code}



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