change S3Exception to checked exception
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Key: HADOOP-5613
URL: https://issues.apache.org/jira/browse/HADOOP-5613
Project: Hadoop Core
Issue Type: Improvement
Components: fs/s3
Affects Versions: 0.18.3
Reporter: Andrew Hitchcock
Priority: Minor
Currently the S3 filesystems can throw unchecked exceptions (S3Exception) which
are not declared in the interface of FileSystem. These aren't caught by the
various callers and can cause unpredictable behavior. IOExceptions are caught
by most users of FileSystem since it is declared in the interface and hence is
handled better.
I propose we modify S3Exception to extend IOException.
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