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Yi Liu commented on HDFS-7738:
------------------------------
I notice the patch distinguishes recover lease exception string for create/truncate/append/recover
file, it's great, I also had the same thought, but the exception is still {{AlreadyBeingCreatedException}},
should we redefine it?
Besides this, I'm +1 for the patch and pending Jenkins.
> Add more negative tests for truncate
> ------------------------------------
>
> Key: HDFS-7738
> URL: https://issues.apache.org/jira/browse/HDFS-7738
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: test
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Tsz Wo Nicholas Sze
> Priority: Minor
> Fix For: 2.7.0
>
> Attachments: h7738_20150204.patch
>
>
> The following are negative test cases for truncate.
> - new length > old length
> - truncating a directory
> - truncating a non-existing file
> - truncating a file without write permission
> - truncating a file opened for append
> - truncating a file in safemode
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