檢查你的/etc/sysconfig/network 中的HOSTNAME
檢查你的/etc/hosts
更換HADOOP配置中所有的Localhost改成你的HOSTNAME
hadoop 運行過程中出現Call to localhost/127.0.0.1:9000 failed on connection exception錯誤。
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Call to localhost/127.0.0.1:9000 failed on connection exception:java.net.ConnectException的解決方案
"Connect to localhost:9000 [localhost/127.0.0.1, localhost/0:0:0:0:0:0:0:1] failed: Connection refused: connect",
異常: Call From * 9000 failed on connection exception: java.net.ConnectException: Connection refused: no further information; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
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Caused by: java.net.ConnectException: Call From master/192.168.199.130 to master:9000 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.