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From "Gautam Kowshik (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-1271) The StreamBaseRecordReader is unable to log record data that's not UTF-8
Date Thu, 19 Apr 2007 20:33:15 GMT
The StreamBaseRecordReader is unable to log record data that's not UTF-8 
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                 Key: HADOOP-1271
                 URL: https://issues.apache.org/jira/browse/HADOOP-1271
             Project: Hadoop
          Issue Type: Bug
          Components: contrib/streaming
            Reporter: Gautam Kowshik
            Priority: Minor


Streaming code at times can work on data that's not UTF-8, for instance image/audio data.
The StreamBaseRecordReader tries to log some status info, which contains part of the record,
using the LOG.info() call. This call throws this exception :

java.lang.ArrayIndexOutOfBoundsException
	at java.lang.System.arraycopy(Native Method)
	at java.io.BufferedOutputStream.write(BufferedOutputStream.java:111)
	at org.apache.hadoop.mapred.TaskLog$Writer.write(TaskLog.java:217)
	at org.apache.hadoop.mapred.TaskLogAppender.append(TaskLogAppender.java:51)
	at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:230)
	at org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:65)
	at org.apache.log4j.Category.callAppenders(Category.java:203)
	at org.apache.log4j.Category.forcedLog(Category.java:388)
	at org.apache.log4j.Category.log(Category.java:853)
	at org.apache.commons.logging.impl.Log4JLogger.info(Log4JLogger.java:133)
	at org.apache.hadoop.streaming.StreamBaseRecordReader.numRecStats(StreamBaseRecordReader.java:114)
	at org.apache.hadoop.streaming.StreamXmlRecordReader.next(StreamXmlRecordReader.java:99)
	at org.apache.hadoop.mapred.MapTask$1.next(MapTask.java:157)
	at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:46)
	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:175)
	at org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1445)


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