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java.io.IOException: java.net.ConnectException: Call From master/192.168.58.128 to master:10020 failed on connection exception: java.net.ConnectException: 拒絕連接;

本文轉載自   查看原文   2020-11-30 23:03   601    大數據學習

運行hive的sql查詢統計調用mapreduce時報錯

原因是JobHistoryServer未啟動

解決辦法：

cd /usr/local/hadoop/sbin
mr-jobhistory-daemon.sh start historyserver

若出現：

WARNING: Use of this script to start the MR JobHistory daemon is deprecated.
WARNING: Attempting to execute replacement "mapred --daemon start" instead.

通過jps命令：

 

 成功啟動！！


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猜您在找 Call From master/192.168.128.135 to master:8485 failed on connection exception: java.net.ConnectException: Connection refused 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. Call to master/192.168.137.101:9001 failed on connection exception: java.net.ConnectException: Connection refused hadoop 遇到java.net.ConnectException: to 0.0.0.0:10020 failed on connection sqoop遇到java.net.ConnectException: to 0.0.0.0:10020 failed on connection Error: java.net.ConnectException: Call From tuge1/192.168.40.100 to tuge2:8032 failed on connection exception Caused by: java.net.ConnectException: Connection refused: master/192.168.3.129:7077 ls: Call From hdoop2/192.168.18.87 to hdoop2:8020 failed on connection exception: java.net.ConnectException: 拒絕連接; For more details see Exception in thread “main“ java.net.ConnectException: Call From 異常：failed on connection exception: java.net.ConnectException:
 
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