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https://issues.apache.org/jira/browse/HADOOP-3162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12585665#action_12585665
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Hairong Kuang commented on HADOOP-3162:
---------------------------------------
Just to make it clear that currently dfs does not support globs like
{/p1/f1,/p2/f2}. Instead, it supports globs like /p1/{f1,f2}. This means that
the closure pattern needs to be in one path component.
> Map/reduce stops working with comma separated input paths
> ---------------------------------------------------------
>
> Key: HADOOP-3162
> URL: https://issues.apache.org/jira/browse/HADOOP-3162
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.17.0
> Reporter: Runping Qi
> Assignee: Amareshwari Sriramadasu
> Priority: Blocker
> Fix For: 0.17.0
>
> Attachments: patch-3162.txt
>
>
> When a job is given a comma separated input file list, FileInputFormat class
> throws an exception, complaining the input is invalid:
> org.apache.hadoop.mapred.InvalidInputException: Input path doesnt exist :
> hdfs:/
> namenode:port/gridmix/data/MonsterQueryBlockCompressed/part-
> 00000,/gridmix/data/MonsterQueryBlockCompressed/part-00001,/gridmix/data/Monster
> QueryBlockCompressed/part-00002
> at
> org.apache.hadoop.mapred.FileInputFormat.validateInput(FileInputForma
> t.java:213)
> at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:705)
> at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:973)
> at
> org.apache.hadoop.mapred.GenericMRLoadGenerator.run(GenericMRLoadGene
> rator.java:189)
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