[ https://issues.apache.org/jira/browse/HADOOP-10558?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steve Loughran resolved HADOOP-10558. ------------------------------------- Resolution: Invalid > 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: debian, hadoop, hadoop-3.0.0-SNAPSHOT, 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)