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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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