java hive建表_Hive创建表时报错

hive> create table t_emp (

> id int,

> name string,

> age int,

> dept_name string

> )

> ROW FORMAT DELIMITED

> FIELDS TERMINATED BY ',';

FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. MetaException(message:javax.jdo.JDODataStoreException: An exception was thrown while adding/validating class(es) : Specified key was too long; max key length is 767 bytes

com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Specified key was too long; max key length is 767 bytes

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

at java.lang.reflect.Constructor.newInstance(Constructor.java:422)

at com.mysql.jdbc.Util.handleNewInstance(Util.java:409)

at com.mysql.jdbc.Util.getInstance(Util.java:384)

解决方法:

mysql -uroot -hk8s-1 -p

Enter password:

Welcome to the MySQL monitor.  Commands end with ; or \g.

Your MySQL connection id is 39

Server version: 5.6.36-log MySQL Community Server (GPL), wsrep_25.20

Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights res

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input st

mysql> alter database hive character set latin1;

Query OK, 1 row affected (0.01 sec)

效果:

hive> create table t_emp (

> id int,

> name string,

> age int,

> dept_name string

> )

> ROW FORMAT DELIMITED

> FIELDS TERMINATED BY ',';

OK

Time taken: 1.922 seconds