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https://issues.apache.org/jira/browse/HADOOP-16375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16863865#comment-16863865
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Steve Loughran commented on HADOOP-16375:
-----------------------------------------
Stack is the exception crated in the setup; parameter is failOnError = false.
Conclusion: even though failOnError == false, the null metastore did raise the
exception. Which means the FS instance raised the exception even though the
config said no
{code}
[ERROR]
testFailedMetadataUpdate[1](org.apache.hadoop.fs.s3a.ITestS3AMetadataPersistenceException)
Time elapsed: 1.193 s <<< ERROR!
java.io.IOException
at
org.apache.hadoop.fs.s3a.ITestS3AMetadataPersistenceException.setup(ITestS3AMetadataPersistenceException.java:87)
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.RunBefores.evaluate(RunBefores.java:24)
at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.lang.Thread.run(Thread.java:748)
{code}
Hypothesis: the FS used in the test was the one cached from the previous run,
so it had the old setting
Proposal: a new filesystem is created and closed for each test run
> ITestS3AMetadataPersistenceException failure
> --------------------------------------------
>
> Key: HADOOP-16375
> URL: https://issues.apache.org/jira/browse/HADOOP-16375
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3, test
> Affects Versions: 3.3.0
> Reporter: Steve Loughran
> Priority: Minor
>
> Encountered on a s3guard, dynamo +auth parallel 8 thread test run:
> {code}
> [ERROR]
> testFailedMetadataUpdate[1](org.apache.hadoop.fs.s3a.ITestS3AMetadataPersistenceException)
>
> {code}
> didn't resurface on a standalone test
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