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https://issues.apache.org/jira/browse/HADOOP-3162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12585371#action_12585371
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Owen O'Malley commented on HADOOP-3162:
---------------------------------------
I propose that we make this mirror the change in HADOOP-3041 and add to
FileInputFormat:
{code}
public static void addInputPath(JobConf job, Path path);
public static void setInputPaths(JobConf job, Path[] paths);
public static Path[] getInputPaths(JobConf job);
{code}
while in JobConf we deprecate the input path methods and restore them to their
0.16 semantics (pre- HADOOP-3064, with no quoting and split on ',')
{code}
@Deprecated
public void addInputPath(Path p);
@Deprecated
public void setInputPath(Path p);
@Deprecated
public Path[] getInputPaths();
{code}
> 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: Amar Kamat
> Priority: Blocker
> Fix For: 0.17.0
>
>
> 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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