Colin Patrick McCabe created HDFS-4283:
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Summary: 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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