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Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2017/03/23 18:56:41 UTC
[jira] [Commented] (HADOOP-14222) Create specialized IOException
subclass to represent closed filesystem
[ https://issues.apache.org/jira/browse/HADOOP-14222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15939026#comment-15939026 ]
Steve Loughran commented on HADOOP-14222:
-----------------------------------------
+ to be precise, this is about a closed connection. We can also raise it in all checks for input/output streams being open
> Create specialized IOException subclass to represent closed filesystem
> ----------------------------------------------------------------------
>
> Key: HADOOP-14222
> URL: https://issues.apache.org/jira/browse/HADOOP-14222
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Ted Yu
> Labels: newbie
>
> I was working on HBASE-17287 where hbase master didn't recognize that file system had closed due to extended unavailability of hdfs.
> Chatting with [~steve_l], he suggested creating IOException subclass to represent closed filesystem so that downstream projects don't have to rely on the specific exception message.
> The string in existing exception message can't be changed.
> We should add clear comment around that part to avoid breakage.
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