Sami Abobala created HADOOP-10558: ------------------------------------- Summary: 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
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)