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hive可以进行如select * from t;简单查询；一旦进行如select count(*) from t;就报错Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask；查看日志如下：2018-06-05 03:06:08,935 ERROR [main]: exec.Task (Se...

hive建表失败：hive> create table t(name string,age int)    > row format delimited fields terminated by ',';FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. MetaExce...

1.安装准备 ，查看是否有自带的MySql 库，如果先有卸载先解压软件：MySQL-5.6.36-1.linux_glibc2.5.x86_64.rpm-bundle.tar[root@mini1 ~]# rpm -qa | grep mysql mysql-libs-5.1.71-1.el6.x86_64 [root@mini1 ~]# rpm -ev mysql-libs-5....

hive删除database和table失败问题： ERROR [main]: exec.DDLTask (DDLTask.java:failed(520)) - org.apache.hadoop.hive.ql.metadata.HiveException: MetaException(message:For direct MetaStore DB connections, we don'...

1.编写flume-hbase.confa1.sources=r1a1.channels= hbaseCa1.sinks= hbaseS2a1.sources.r1.type = avroa1.sources.r1.bind = spark1#spark1端的flume source的端口必须与8989保持一致a1.sources.r1.port = 8989a1.source...

1.下载并安装MySQL官方的Yum Repository1.下载mysql的yum repositorywget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm2.采用yum命令安装yum -y install mysql57-community-release-el7-1...