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Posted to common-issues@hadoop.apache.org by "wujinhu (JIRA)" <ji...@apache.org> on 2017/11/22 06:35:00 UTC

[jira] [Updated] (HADOOP-15063) IOException will be thrown when read from Aliyun OSS

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

wujinhu updated HADOOP-15063:
-----------------------------
    Description: 
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}


  was:
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. 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);
    }


> IOException will 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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