[
https://issues.apache.org/jira/browse/HDFS-5228?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Tsz Wo (Nicholas), SZE updated HDFS-5228:
-----------------------------------------
Attachment: h5228_20130919_test.patch
h5228_20130919_test.patch: a unit test for showing the bug. It will result the
following exception.
{noformat}
Running org.apache.hadoop.hdfs.TestDistributedFileSystem
Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 2.991 sec <<<
FAILURE! - in org.apache.hadoop.hdfs.TestDistributedFileSystem
testlistFiles(org.apache.hadoop.hdfs.TestDistributedFileSystem) Time elapsed:
2.839 sec <<< ERROR!
java.lang.NullPointerException: null
at org.apache.hadoop.fs.Path.<init>(Path.java:105)
at org.apache.hadoop.fs.Path.makeQualified(Path.java:433)
at
org.apache.hadoop.hdfs.protocol.HdfsLocatedFileStatus.makeQualifiedLocated(HdfsLocatedFileStatus.java:77)
at
org.apache.hadoop.hdfs.DistributedFileSystem$15.hasNext(DistributedFileSystem.java:739)
at org.apache.hadoop.fs.FileSystem$5.hasNext(FileSystem.java:1729)
at
org.apache.hadoop.hdfs.TestDistributedFileSystem.testlistFiles(TestDistributedFileSystem.java:855)
{noformat}
> The RemoteIterator returned by DistributedFileSystem.listFiles(..) may throw
> NPE
> --------------------------------------------------------------------------------
>
> Key: HDFS-5228
> URL: https://issues.apache.org/jira/browse/HDFS-5228
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: h5228_20130919_test.patch
>
>
> Get a RemoteIterator from DistributedFileSystem.listFiles(..) with a relative
> path. Then, it will result a NullPointerException when calling hasNext()
> from the RemoteIterator.
> This bug was discovered by Arnaud:
> http://hortonworks.com/community/forums/topic/new-bug-in-hdfs-listfiles-method/
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