Details
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Bug
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Status: Resolved
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Major
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Resolution: Invalid
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None
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None
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None
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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
Description
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
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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
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