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https://issues.apache.org/jira/browse/HADOOP-3093?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amareshwari Sriramadasu updated HADOOP-3093:
--------------------------------------------
Attachment: patch-3093.txt
Here is a patch adding
1. String[] Configuration.getStrings(String name, String... defaultValue)
2. void Configuration.setStrings(String name, String... values)
> ma/reduce throws the following exception if "io.serializations" is not set:
> ---------------------------------------------------------------------------
>
> Key: HADOOP-3093
> URL: https://issues.apache.org/jira/browse/HADOOP-3093
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.17.0
> Reporter: Runping Qi
> Assignee: Amareshwari Sriramadasu
> Fix For: 0.17.0
>
> Attachments: patch-3093.txt, patch-3093.txt
>
>
> map/reduce throws the following exception if "io.serializations" is not set:
> java.lang.NullPointerException
> at
> org.apache.hadoop.io.serializer.SerializationFactory.<init>(SerializationFactory.java:52)
> at
> org.apache.hadoop.mapred.MapTask$MapOutputBuffer.<init>(MapTask.java:325)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:177)
> at
> org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:2073)
> Map/reduce should use org.apache.hadoop.io.serializer.WritableSerialization
> as the default class as it had in the past.
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