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From "lohit vijayarenu (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-2071) StreamXmlRecordReader throws java.io.IOException: Mark/reset exception in hadoop 0.14
Date Thu, 18 Oct 2007 04:27:50 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2071?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

lohit vijayarenu updated HADOOP-2071:
-------------------------------------

    Attachment: HADOOP-2071-1.patch

Attached is a patch, which eliminates mark/reset. 
At one place seek() was called even after reset() which made it redundant.
Please could anyone review this.
Thanks

> StreamXmlRecordReader throws java.io.IOException: Mark/reset exception in hadoop 0.14
> -------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2071
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2071
>             Project: Hadoop
>          Issue Type: Bug
>          Components: contrib/streaming
>    Affects Versions: 0.14.3
>            Reporter: lohit vijayarenu
>         Attachments: HADOOP-2071-1.patch
>
>
> In hadoop 0.14, using -inputreader StreamXmlRecordReader  for streaming jobs throw 
> java.io.IOException: Mark/reset exception in hadoop 0.14
> This looks to be related to (https://issues.apache.org/jira/browse/HADOOP-2067).
> <stack trace>
> Caused by: java.io.IOException: Mark/reset not supported
> 	at
> org.apache.hadoop.dfs.DFSClient$DFSInputStream.reset(DFSClient.java:1353)
> 	at java.io.FilterInputStream.reset(FilterInputStream.java:200)
> 	at
> org.apache.hadoop.streaming.StreamXmlRecordReader.fastReadUntilMatch(StreamX
> mlRecordReader.java:289)
> 	at
> org.apache.hadoop.streaming.StreamXmlRecordReader.readUntilMatchBegin(Stream
> XmlRecordReader.java:118)
> 	at
> org.apache.hadoop.streaming.StreamXmlRecordReader.seekNextRecordBoundary(Str
> eamXmlRecordReader.java:111)
> 	at
> org.apache.hadoop.streaming.StreamXmlRecordReader.init(StreamXmlRecordReader
> .java:73)
> 	at
> org.apache.hadoop.streaming.StreamXmlRecordReader.(StreamXmlRecordReader.jav
> a:63)
> </stack trace>

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