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https://issues.apache.org/jira/browse/HADOOP-10440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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guodongdong updated HADOOP-10440:
---------------------------------
Attachment: HADOOP-10440-patch
> HarFsInputStream of HarFileSystem, when reading data, computing the position
> has bug
> ------------------------------------------------------------------------------------
>
> Key: HADOOP-10440
> URL: https://issues.apache.org/jira/browse/HADOOP-10440
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.3.0
> Environment:
> Reporter: guodongdong
> Attachments: HADOOP-10440-patch
>
>
> In the HarFsInputStream of HarFileSystem, when reading data by interface "int
> read(byte[] b)", "int read(byte[] b, int offset, int len)" wille be called
> and position wille be update, so position need not be update in interface
> "int read(byte[] b)"
> public synchronized int read(byte[] b) throws IOException {
> int ret = read(b, 0, b.length);
> if (ret != -1) {
> position += ret;
> }
> return ret;
> }
> /**
> *
> */
> public synchronized int read(byte[] b, int offset, int len)
> throws IOException {
> int newlen = len;
> int ret = -1;
> if (position + len > end) {
> newlen = (int) (end - position);
> }
> // end case
> if (newlen == 0)
> return ret;
> ret = underLyingStream.read(b, offset, newlen);
> position += ret;
> return ret;
> }
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