Chen Liang created HADOOP-17382:
-----------------------------------
Summary: AbfsInputStream#seek throws EOFException when seek past
the end of stream
Key: HADOOP-17382
URL: https://issues.apache.org/jira/browse/HADOOP-17382
Project: Hadoop Common
Issue Type: Improvement
Reporter: Chen Liang
Currently AbfsInputStream#seek has below check:
{code}
public synchronized void seek(long n) throws IOException {
...
if (n > contentLength) {
throw new EOFException(FSExceptionMessages.CANNOT_SEEK_PAST_EOF);
}
...
}
{code}
So if a the seek is called with a position past the end of the stream, a
EOFException gets thrown. However, it appears to me this behavior is different
from some other inputstream impls, such as \{{S3AInputStream}} and
\{{LocalFSFileInputStream}}, where seek passing the end is allowed, only that a
later read call will return -1 indicating EOF. I think it would be better to
have AbfsInputStream do the same thing.
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