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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-14222) Create specialized IOException subclass to represent closed filesystem
Date Thu, 23 Mar 2017 17:06:41 GMT
Ted Yu created HADOOP-14222:
-------------------------------

             Summary: 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


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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