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）

[[email protected]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
[[email protected]-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

原文地址：https://www.cnblogs.com/wwzyy/p/9233238.html

时间： 2024-11-05 22:03:23

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