执行nova-manage db sync时出错: 2012-03-24 14:07:01 CRITICAL nova [-] (OperationalError) (1071, ‘Specified key was too long; max key length is 1000 bytes’) ‘\nCREATE TABLE user_project_association (\n\tcreated_at DATETIME, \n\tupdated_at DATETIME, \n\tdele…
在进行Hive集成Mysql作为元数据过程中.做全然部安装配置工作后.进入到hive模式,运行show databases.运行正常,接着运行show tables:时却报错. 关键错误信息例如以下: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Specified key was too long; max key length is 767 bytes) 详细操作信息例如以下: hive> show databases;…
今天在练习hive的操作时,在创建数据表时,遇到了异常 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 l…
操作重现: 法1:新建连接——>新建数据库——>右键数据库导入脚本——>提示:Specified key was too long; max key length is 767 bytes 法2:新建连接——>新建数据库——>新增查询——>复制脚本中的内容,运行——>提示:Specified key was too long; max key length is 767 bytes 原因: MySQL的varchar主键只支持不超过768个字节 或者 768/2=…