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https://issues.apache.org/jira/browse/HADOOP-16878?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17071107#comment-17071107
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Ayush Saxena commented on HADOOP-16878:
---------------------------------------
The Current PR still, fails for me :
{code:java}
[INFO] -------------------------------------------------------
[INFO] T E S T S
[INFO] -------------------------------------------------------
[INFO] Running org.apache.hadoop.hdfs.TestDistributedFileSystem
[ERROR] Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 8.629 s
<<< FAILURE! - in org.apache.hadoop.hdfs.TestDistributedFileSystem
[ERROR]
testCopyBetweenFsEqualPath(org.apache.hadoop.hdfs.TestDistributedFileSystem)
Time elapsed: 8.346 s <<< FAILURE!
java.lang.AssertionError: Expected a
org.apache.hadoop.fs.PathOperationException to be thrown, but got the result: :
true
at
org.apache.hadoop.test.LambdaTestUtils.intercept(LambdaTestUtils.java:499)
at
org.apache.hadoop.test.LambdaTestUtils.intercept(LambdaTestUtils.java:384)
at
org.apache.hadoop.hdfs.TestDistributedFileSystem.testCopyBetweenFsEqualPath(TestDistributedFileSystem.java:2105)
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)
[INFO]
[INFO] Results:
[INFO]
[ERROR] Failures:
[ERROR] TestDistributedFileSystem.testCopyBetweenFsEqualPath:2105 Expected a
org.apache.hadoop.fs.PathOperationException to be thrown, but got the result: :
true
[INFO]
[ERROR] Tests run: 1, Failures: 1, Errors: 0, Skipped: 0
[INFO]
{code}
Can you apply the patch and run
{{mvn test -Dtest=TestDistributedFileSystem#testCopyBetweenFsEqualPath}}
> Copy command in FileUtil to throw an exception if the source and destination
> is the same
> ----------------------------------------------------------------------------------------
>
> Key: HADOOP-16878
> URL: https://issues.apache.org/jira/browse/HADOOP-16878
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 3.3.0
> Reporter: Gabor Bota
> Assignee: Gabor Bota
> Priority: Major
> Attachments: hdfsTest.patch
>
>
> We encountered an error during a test in our QE when the file destination and
> source path were the same. This happened during an ADLS test, and there were
> no meaningful error messages, so it was hard to find the root cause of the
> failure.
> The error we saw was that file size has changed during the copy operation.
> The new file creation in the destination - which is the same as the source -
> creates a file and sets the file length to zero. After this, getting the
> source file will fail because the sile size changed during the operation.
> I propose a solution to at least log in error level in the {{FileUtil}} if
> the source and destination of the copy operation is the same, so debugging
> issues like this will be easier in the future.
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