[jira] [Commented] (HDFS-5015) Error while running custom writable code - DFSClient_NONMAPREDUCE_549327626_1 doesnot have any open file

["liuyang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-5015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13714632#comment-13714632 ] 

liuyang commented on HDFS-5015:
-------------------------------

I think you should not take your problem as a jira, you can email this issue to hdfs-dev@hadoop.apache.org.

                
> Error while running custom writable code  - DFSClient_NONMAPREDUCE_549327626_1 doesnot have any open file
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-5015
>                 URL: https://issues.apache.org/jira/browse/HDFS-5015
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs-client
>         Environment: Cloudera 4.3
>            Reporter: Allan Gonsalves
>
> hi , 
> We are facing an below error while running custom writable code, our driver code is using below code . logwritable is the name of custom writable interface.
> --Error message at the code execution is as follows
> DFSClient_NONMAPREDUCE_549327626_1 doesnot have any open file
> --Driver code - 
> job.setMapOutputKeyClass(logwritable.class);
> job.setMapOutputValueClass(logwritable.class);
> job.setNumReducerTasks(0);
> --logwritable class implements Writable interface
> --Definition of mapper is as follows
> public class MAPPER extends Mapper<Text,IntWritable,Logwritable, Logwritabe>{ 
> ....
> contaxt.write(new logwritable(), new logwritable());
> }
> Any help to resolve above issue will be great help
> Thanks
> Allan 

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