You are viewing a plain text version of this content. The canonical link for it is here.

Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2014/06/05 21:47:02 UTC

[jira] [Commented] (HADOOP-10558) java.net.UnknownHostException: Invalid host name: local host is: (unknown)

    [ https://issues.apache.org/jira/browse/HADOOP-10558?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14019152#comment-14019152 ] 

Steve Loughran commented on HADOOP-10558:
-----------------------------------------

did you follow the link in the stack trace? and its instructions?

> java.net.UnknownHostException: Invalid host name: local host is: (unknown)
> --------------------------------------------------------------------------
>
>                 Key: HADOOP-10558
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10558
>             Project: Hadoop Common
>          Issue Type: Bug
>         Environment: two node cluster
> ubuntu 12.04 LTS in both
> Java version "1.7.0_25"
> node 1: core i5 4 GB RAM
> node 2: core i3 4 GB RAM
>            Reporter: Sami Abobala
>              Labels: hadoop, mapreduce, ubuntu
>
> I had this exception  every time i try to run map-red job, I went to http://wiki.apache.org/hadoop/UnknownHost
> and tried every possible solution and still have the same result 
> Task Id : attempt_1398945803120_0001_m_000004_0, Status : FAILED
> Container launch failed for container_1398945803120_0001_01_000006 : java.lang.reflect.UndeclaredThrowableException
> .
> .
> Caused by: com.google.protobuf.ServiceException: java.net.UnknownHostException: Invalid host name: local host is: (unknown); destination host is: ""fatima-HP-ProBook-4520s":8042; java.net.UnknownHostException; For more details see:  http://wiki.apache.org/hadoop/UnknownHost
> .	
> .



--
This message was sent by Atlassian JIRA
(v6.2#6252)