Details
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Improvement
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Status: Open
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Major
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Resolution: Unresolved
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None
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None
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Description
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.