Caused by: java.net.ConnectException: Call From master/192.168.199.130 to master:9000 failed on connection exception: java.net.ConnectException
錯，不過是新的錯誤，如下所示，解決方法見下篇： 停更...... 2017-12-1 ...
原文：Call to localhost/127.0.0.1:9000 failed on connection exception:java.net.ConnectException的解決方案
Call to localhost . . . : failed on connection exception:java.net.ConnectException的解決方案 作者：凱魯嘎吉 博客園http: www.cnblogs.com kailugaji 在啟動hadoop時，出現了如下錯誤： Call From java.net.UnknownHostException: ubuntu l ...
2018-12-20 17:20 0 4429 推薦指數：
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異常: Call From * 9000 failed on connection exception: java.net.ConnectException: Connection refused: no further information; For more details see
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Call From master/192.168.128.135 to master:8485 failed on connection exception: java.net.ConnectException: Connection refused
hadoop集群搭建了ha，初次啟動正常，最近幾天啟動時偶爾發現，namenode1節點啟動后一段時間（大約10幾秒-半分鍾左右），namenode1上namenode進程停掉，查看日志： ...
Call to master/192.168.137.101:9001 failed on connection exception: java.net.ConnectException: Connection refused
java.net.ConnectException: Call to master/192.168.137.101:9001 failed on connection exception: java.net.ConnectException: Connection refused ...
Error: java.net.ConnectException: Call From tuge1/192.168.40.100 to tuge2:8032 failed on connection exception
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異常：failed on connection exception: java.net.ConnectException:
訪問虛擬機HDFS環境發生錯誤。 解決： core-site.xml中要這么配置 <configuration> <property> <value>hdfs://192.168.56.102:8020</value> ...
錯誤已解決：java.net.ConnectException: Failed to connect to localhost/127.0.0.1
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