Caused by: java.net.ConnectException: Call From master/192.168.199.130 to master:9000 failed on connection exception: java.net.ConnectException
错，不过是新的错误，如下所示，解决方法见下篇： 停更...... 2017-12-1 ...
原文：Call to localhost/127.0.0.1:9000 failed on connection exception:java.net.ConnectException的解决方案
Call to localhost . . . : failed on connection exception:java.net.ConnectException的解决方案 作者：凯鲁嘎吉 博客园http: www.cnblogs.com kailugaji 在启动hadoop时，出现了如下错误： Call From java.net.UnknownHostException: ubuntu l ...
2018-12-20 17:20 0 4429 推荐指数：
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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，初次启动正常，最近几天启动时偶尔发现，namenode1节点启动后一段时间（大约10几秒-半分钟左右），namenode1上namenode进程停掉，查看日志： ...
Call to master/192.168.137.101:9001 failed on connection exception: java.net.ConnectException: Connection refused
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Error: java.net.ConnectException: Call From tuge1/192.168.40.100 to tuge2:8032 failed on connection exception
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异常：failed on connection exception: java.net.ConnectException:
访问虚拟机HDFS环境发生错误。 解决： core-site.xml中要这么配置 <configuration> <property> <value>hdfs://192.168.56.102:8020</value> ...
错误已解决：java.net.ConnectException: Failed to connect to localhost/127.0.0.1
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java.io.IOException: java.net.ConnectException: Call From master/192.168.58.128 to master:10020 failed on connection exception
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