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From "Sean Busbey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8332) DFS client API calls should check filesystem closed
Date Fri, 15 May 2015 20:09:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14546107#comment-14546107

Sean Busbey commented on HDFS-8332:

+1 for trunk/branc-3 only. A "Known Issue" note on the next set of branch-2 release notes
would be a nice-to-have as well.

Also, I'd like to suggest that we change pre-commit to trigger hadoop-hdfs-httpfs tests automatically
for all hadoop-hdfs patches. We've seen problems like this in the past. hadoop-hdfs-httpfs
gets patched so infrequently that it's easy to miss it when a hadoop-hdfs change introduces
a test failure. As a practical matter, we might not be able to add those tests until the current
HDFS test runs get optimized.

Leave a note on HADOOP-11929, [~aw] is already specifying that hadoop-hdfs needs to have hadoop-common
built with native bits. Not sure if expanding to "under tests always do this other module
if this module changes" will be in scope or a new ticket.

> DFS client API calls should check filesystem closed
> ---------------------------------------------------
>                 Key: HDFS-8332
>                 URL: https://issues.apache.org/jira/browse/HDFS-8332
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Rakesh R
>            Assignee: Rakesh R
>             Fix For: 2.8.0
>         Attachments: HDFS-8332-000.patch, HDFS-8332-001.patch, HDFS-8332-002-Branch-2.patch,
HDFS-8332-002.patch, HDFS-8332.001.branch-2.patch
> I could see {{listCacheDirectives()}} and {{listCachePools()}} APIs can be called even
after the filesystem close. Instead these calls should do {{checkOpen}} and throws:
> {code}
> java.io.IOException: Filesystem closed
> 	at org.apache.hadoop.hdfs.DFSClient.checkOpen(DFSClient.java:464)
> {code}

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