[
https://issues.apache.org/jira/browse/HDFS-8029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Xiaoyu Yao resolved HDFS-8029.
------------------------------
Resolution: Fixed
Thanks [~kanaka] for the confirmation! I'm resolving this as Fixed by HDFS-7824.
> NPE during disk usage calculation on snapshot directory, after a sub folder
> is deleted
> --------------------------------------------------------------------------------------
>
> Key: HDFS-8029
> URL: https://issues.apache.org/jira/browse/HDFS-8029
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: kanaka kumar avvaru
> Assignee: kanaka kumar avvaru
>
> ContentSummary computation is causing NullPointerException on snapshot
> directory if some sub directory is deleted.
> Following are the steps to reproduce the issue.
>
> 1. Create a root directory "/test"
> 2. Create sub dir named as /test/sub1
> 3. Create sub dir in sub1 as /test/sub1/sub2
> 4. Create a file at /test/sub1/file1
> 5. Create a file at /test/sub1/sub2/file1
> 6. Enable shotshot on sub1 (hadoop dfsadmin -allowSnapshot test/sub1)
> 7. Create snapshot1 on /test/sub1
> 8. Delete directory /test/sub1/sub2 (recursively)
> 9. Create snapshot2 on /test/sub1
> 10. Execute du command on /test (hadoop fs -du /test/)
>
>
> Gives NullPointerException in CLI. NameNode logs the exception as
> ... java.lang.NullPointerException at
> org.apache.hadoop.hdfs.server.namenode.ContentSummaryComputationContext.getBlockStoragePolicySuite(ContentSummaryComputationContext.java:122)
> ...
>
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
