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https://issues.apache.org/jira/browse/HADOOP-15113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16288185#comment-16288185
 ] 

Steve Loughran commented on HADOOP-15113:
-----------------------------------------

new patch fails meaningfully
{code}
2017-12-12 20:04:38,045 [main] INFO  diag.S3ADiag (DurationInfo.java:close(57)) 
- Listing  s3a://hwdev-steve-ireland-new/: duration 0:00:001
java.io.IOException: s3a://hwdev-steve-ireland-new: FileSystem is closed!
        at 
org.apache.hadoop.fs.s3a.S3AFileSystem.checkNotClosed(S3AFileSystem.java:2455)
        at 
org.apache.hadoop.fs.s3a.S3AFileSystem.entryPoint(S3AFileSystem.java:1106)
        at 
org.apache.hadoop.fs.s3a.S3AFileSystem.innerListStatus(S3AFileSystem.java:1852)
        at 
org.apache.hadoop.fs.s3a.S3AFileSystem.lambda$listStatus$9(S3AFileSystem.java:1834)
        at org.apache.hadoop.fs.s3a.Invoker.once(Invoker.java:108)
        at 
org.apache.hadoop.fs.s3a.S3AFileSystem.listStatus(S3AFileSystem.java:1834)
        at org.apache.hadoop.fs.s3a.diag.S3ADiag.run(S3ADiag.java:172)
        at org.apache.hadoop.fs.s3a.diag.S3ADiag.run(S3ADiag.java:141)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90)
        at org.apache.hadoop.fs.s3a.diag.S3ADiag.exec(S3ADiag.java:249)
        at org.apache.hadoop.fs.s3a.diag.S3ADiag.main(S3ADiag.java:260)
        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.apache.hadoop.util.RunJar.run(RunJar.java:239)
        at org.apache.hadoop.util.RunJar.main(RunJar.java:153)
2017-12-12 20:04:38,047 [main] INFO  util.ExitUtil 
(ExitUtil.java:terminate(210)) - Exiting with status -1: java.io.IOException: 
s3a://hwdev-steve-ireland-new: FileSystem is closed!
{code}

> NPE in S3A getFileStatus: null instrumentation on using closed instance
> -----------------------------------------------------------------------
>
>                 Key: HADOOP-15113
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15113
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 3.1.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>
> NPE in getFileStatus in a downstream test of mine; s3a ireland
> {{PathMetadata pm = metadataStore.get(path, needEmptyDirectoryFlag);. }}
> Something up with the bucket config?



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