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From "wujinhu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-15063) IOException is likely to be thrown when read from Aliyun OSS
Date Wed, 22 Nov 2017 06:50:00 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-15063?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

wujinhu updated HADOOP-15063:
-----------------------------
    Summary: IOException is likely to be thrown when read from Aliyun OSS  (was: IOException
will be thrown when read from Aliyun OSS)

> IOException is likely to be thrown when read from Aliyun OSS
> ------------------------------------------------------------
>
>                 Key: HADOOP-15063
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15063
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs/oss
>    Affects Versions: 3.0.0-alpha2
>            Reporter: wujinhu
>            Priority: Critical
>
> IOException will be thrown in some case
> Logs:
> java.io.IOException: Failed to read from stream. Remaining:101802
> 	at org.apache.hadoop.fs.aliyun.oss.AliyunOSSInputStream.read(AliyunOSSInputStream.java:182)
> 	at org.apache.hadoop.fs.FSInputStream.read(FSInputStream.java:75)
> 	at org.apache.hadoop.fs.FSDataInputStream.read(FSDataInputStream.java:92)
> How to re-produce:
> 1. create a file with 10MB size
> 2. 
> {code:java}
> int seekTimes = 150;
> for (int i = 0; i < seekTimes; i++) {
>       long pos = size / (seekTimes - i) - 1;
>       LOG.info("begin seeking for pos: " + pos);
>       //instream.seek(pos);
>       byte []buf = new byte[1024];
>       instream.read(pos, buf, 0, 1024);
> }
> {code}



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