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https://issues.apache.org/jira/browse/FLUME-2777?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14906864#comment-14906864
]
Hari Shreedharan commented on FLUME-2777:
-----------------------------------------
I see test failures here:
{code}
testFileRoll(org.apache.flume.source.taildir.TestTaildirSource) Time elapsed:
15080 sec <<< FAILURE!
java.lang.AssertionError: expected:<300> but was:<100>
at org.junit.Assert.fail(Assert.java:93)
at org.junit.Assert.failNotEquals(Assert.java:647)
at org.junit.Assert.assertEquals(Assert.java:128)
at org.junit.Assert.assertEquals(Assert.java:472)
at org.junit.Assert.assertEquals(Assert.java:456)
at
org.apache.flume.source.taildir.TestTaildirSource.testFileRoll(TestTaildirSource.java:373)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
at
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
at
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
at
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
at
org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
at
org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
at
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
at
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
{code}
> Tail Dir Source leads to duplicate events on rolling the tailed file
> --------------------------------------------------------------------
>
> Key: FLUME-2777
> URL: https://issues.apache.org/jira/browse/FLUME-2777
> Project: Flume
> Issue Type: Bug
> Components: Sinks+Sources
> Affects Versions: notrack
> Reporter: Johny Rufus
> Assignee: Johny Rufus
> Attachments: FLUME-2777-1.patch, FLUME-2777.patch
>
>
> I have a simple setup, where I write 200 events to logfile1. [TailSrc is on
> the lookout for logfile* ]
> Then I rename logfile1 to logfile2.
> I create a new logfile1 and write 100 events to it.
> Typically I should see 300 events in my channel. But I see 500 events.
> I was able to trace the duplicates to ReliableTaildirEventReader.java
> updateFiles(boolean) to the way renamed files are handled , by specifying
> starting position as 0. [This starting position should be obtained from
> tf.getPosition()]
> I am attaching a proposed fix, would be great if one of you guys
> [~iijima_satoshi] / [~hshreedharan]/ [~roshan_naik] can take a look at the
> fix and validate the issue.
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