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  • FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask

    hive启动后,出现以下异常

    hive> show databases; FAILED: Error in metadata: MetaException(message:Got exception: java.net.ConnectException Call to centos7-01/192.168.146.135:9000 failed on connection exception: java.net.ConnectException: Connection refused) FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask

    原因是hadoop集群没有启动(注意端口号9000)

    [root@centos7-01 conf]# start-all.sh //启动hadoop
    starting namenode, logging to /opt/sw/hadoop-0.20.2/bin/../logs/hadoop-root-namenode-centos7-01.out
    centos7-03: starting datanode, logging to /opt/sw/hadoop-0.20.2/bin/../logs/hadoop-root-datanode-centos7-03.out
    centos7-02: starting datanode, logging to /opt/sw/hadoop-0.20.2/bin/../logs/hadoop-root-datanode-centos7-02.out
    centos7-01: starting secondarynamenode, logging to /opt/sw/hadoop-0.20.2/bin/../logs/hadoop-root-secondarynamenode-centos7-01.out
    starting jobtracker, logging to /opt/sw/hadoop-0.20.2/bin/../logs/hadoop-root-jobtracker-centos7-01.out
    centos7-03: starting tasktracker, logging to /opt/sw/hadoop-0.20.2/bin/../logs/hadoop-root-tasktracker-centos7-03.out
    centos7-02: starting tasktracker, logging to /opt/sw/hadoop-0.20.2/bin/../logs/hadoop-root-tasktracker-centos7-02.out
    [root@centos7-01 conf]# jps
    2608 NameNode
    2753 SecondaryNameNode
    2818 JobTracker
    2904 Jps
    2475 RunJar
    就没问题了
    hive> show databases; OK default Time taken: 1.104 seconds
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  • 原文地址:https://www.cnblogs.com/wwzyy/p/9233238.html
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