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Posted to hdfs-issues@hadoop.apache.org by "Shradha Revankar (JIRA)" <ji...@apache.org> on 2015/08/24 06:14:47 UTC

[jira] [Updated] (HDFS-8943) Read apis in ByteRangeInputStream does not read all the bytes specified when chunked transfer-encoding is used in the server

     [ https://issues.apache.org/jira/browse/HDFS-8943?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shradha Revankar updated HDFS-8943:
-----------------------------------
    Description: 
With the default Webhdfs server implementation the read apis in ByteRangeInputStream work as expected reading the correct number of bytes for these apis :

{{ public int read(long position, byte[] buffer, int offset, int length)
      throws IOException }}

{{public int read(long position, byte[] buffer, int offset, int length)}}

But when a custom Webhdfs server implementation is plugged in which uses chunked Transfer-encoding, these apis read only the first chunk. Simple fix would be to loop and read till bytes specified similar to {{readfully()}}

  was:
With the default Webhdfs server implementation the read apis in ByteRangeInputStream work as expected reading the correct number of bytes for these apis :

{{public int read(long position, byte[] buffer, int offset, int length)
      throws IOException }}

{{public int read(long position, byte[] buffer, int offset, int length)}}

But when a custom Webhdfs server implementation is plugged in which uses chunked Transfer-encoding, these apis read only the first chunk. Simple fix would be to loop and read till bytes specified similar to {{readfully()}}


> Read apis in ByteRangeInputStream does not read all the bytes specified when chunked transfer-encoding is used in the server
> ----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-8943
>                 URL: https://issues.apache.org/jira/browse/HDFS-8943
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: webhdfs
>    Affects Versions: 2.7.1
>            Reporter: Shradha Revankar
>            Assignee: Shradha Revankar
>
> With the default Webhdfs server implementation the read apis in ByteRangeInputStream work as expected reading the correct number of bytes for these apis :
> {{ public int read(long position, byte[] buffer, int offset, int length)
>       throws IOException }}
> {{public int read(long position, byte[] buffer, int offset, int length)}}
> But when a custom Webhdfs server implementation is plugged in which uses chunked Transfer-encoding, these apis read only the first chunk. Simple fix would be to loop and read till bytes specified similar to {{readfully()}}



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