Ted Yu created HADOOP-14222:
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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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