[jira] [Resolved] (HDFS-4283) Spurious Test failures in TestEditLog.testFuzzSequences

["Colin Patrick McCabe (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-4283?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Colin Patrick McCabe resolved HDFS-4283.
----------------------------------------

    Resolution: Duplicate
    
> Spurious Test failures in TestEditLog.testFuzzSequences
> -------------------------------------------------------
>
>                 Key: HDFS-4283
>                 URL: https://issues.apache.org/jira/browse/HDFS-4283
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 2.0.3-alpha
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>            Priority: Minor
>
> testFuzzSequences fails sometimes due to the additional UTF-8 validation added in HADOOP-9103.  The issue is that the UTF8 class throws its exceptions as {{RuntimeExceptions}} rather than {{IOExceptions}}, and the fuzzing code is not expecting that.
> Example failure:
> {code}
> Failed
> org.apache.hadoop.hdfs.server.namenode.TestEditLog.testFuzzSequences
> Failing for the past 5 builds (Since Failed#3600 )
> Took 4.8 sec.
> Error Message
> Caught non-IOException throwable java.lang.RuntimeException: java.io.IOException: Invalid UTF8 at 9871b370d70a  at org.apache.hadoop.io.UTF8.toString(UTF8.java:154)  at org.apache.hadoop.hdfs.server.namenode.FSImageSerialization.readString(FSImageSerialization.java:200)  at org.apache.hadoop.hdfs.server.namenode.FSEditLogOp$TimesOp.readFields(FSEditLogOp.java:1439)  at org.apache.hadoop.hdfs.server.namenode.FSEditLogOp$Reader.decodeOp(FSEditLogOp.java:2399)  at org.apache.hadoop.hdfs.server.namenode.FSEditLogOp$Reader.readOp(FSEditLogOp.java:2290)  at org.apache.hadoop.hdfs.server.namenode.EditLogFileInputStream.nextOpImpl(EditLogFileInputStream.java:177)  at org.apache.hadoop.hdfs.server.namenode.EditLogFileInputStream.nextOpImpl(EditLogFileInputStream.java:175)  at org.apache.hadoop.hdfs.server.namenode.EditLogFileInputStream.nextOp(EditLogFileInputStream.java:217)  at org.apache.hadoop.hdfs.server.namenode.EditLogInputStream.readOp(EditLogInputStream.java:72)  at org.apache.hadoop.hdfs.server.namenode.TestEditLog.validateNoCrash(TestEditLog.java:1233)  at org.apache.hadoop.hdfs.server.namenode.TestEditLog.testFuzzSequences(TestEditLog.java:1272)  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)  at java.lang.reflect.Method.invoke(Method.java:597)  at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)  at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)  at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)  at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)  at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)  at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)  at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)  at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)  at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)  at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)  at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)  at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)  at org.junit.runners.ParentRunner.run(ParentRunner.java:236)  at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)  at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)  at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)  at java.lang.reflect.Method.invoke(Method.java:597)  at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)  at org.apache.maven.surefire.booter.ProviderFactory$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) Caused by: java.io.IOException: Invalid UTF8 at 9871b370d70a  at org.apache.hadoop.io.UTF8.readChars(UTF8.java:277)  at org.apache.hadoop.io.UTF8.toString(UTF8.java:151)  ... 39 more 
> {code}

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