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From "Tom White (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3064) Exception with file globbing closures
Date Fri, 21 Mar 2008 16:41:25 GMT
Exception with file globbing closures

                 Key: HADOOP-3064
                 URL: https://issues.apache.org/jira/browse/HADOOP-3064
             Project: Hadoop Core
          Issue Type: Bug
          Components: mapred
    Affects Versions: 0.16.1
            Reporter: Tom White

Using file globbing to select various input paths, like so:

conf.setInputPath(new Path("mr/input/glob/2008/02/{02,08}"));

gives an exception:

Exception in thread "main" java.io.IOException: Illegal file pattern:
Expecting set closure character or end of range, or } for glob {02 at
       at org.apache.hadoop.fs.FileSystem$GlobFilter.error(FileSystem.java:1023)
       at org.apache.hadoop.fs.FileSystem$GlobFilter.setRegex(FileSystem.java:1008)
       at org.apache.hadoop.fs.FileSystem$GlobFilter.<init>(FileSystem.java:926)
       at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:826)
       at org.apache.hadoop.fs.FileSystem.globPaths(FileSystem.java:873)
       at org.apache.hadoop.mapred.FileInputFormat.validateInput(FileInputFormat.java:131)
       at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:541)
       at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:809)

The code for JobConf.getInputPaths tokenizes using
a comma as the delimiter, producing two paths
"mr/input/glob/2008/02/{02" and "08}".

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