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From "Jingkei Ly (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3705) CompositeInputFormat is unable to parse InputFormat classes with names containing '_' or '$'
Date Mon, 07 Jul 2008 14:37:31 GMT
CompositeInputFormat is unable to parse InputFormat classes with names containing '_' or '$'
--------------------------------------------------------------------------------------------

                 Key: HADOOP-3705
                 URL: https://issues.apache.org/jira/browse/HADOOP-3705
             Project: Hadoop Core
          Issue Type: Bug
          Components: mapred
    Affects Versions: 0.17.0
            Reporter: Jingkei Ly


If I try to set  "mapred.join.expr" with my own InputFormat class that contains a  '_' character
(or if my InputFormat class is a static inner class),  I get the following exception thrown
when I run my MapReduce job: 

Exception in thread "main" java.io.IOException: Unexpected: 95
	at org.apache.hadoop.mapred.join.Parser$Lexer.next(Parser.java:161)
	at org.apache.hadoop.mapred.join.Parser.parse(Parser.java:479)
	at org.apache.hadoop.mapred.join.CompositeInputFormat.setFormat(CompositeInputFormat.java:77)
	at org.apache.hadoop.mapred.join.CompositeInputFormat.validateInput(CompositeInputFormat.java:118)
	at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:705)
	at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:973)

If the class contains '$' the exception reads Unexpected: 95.



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