在MySQL中,遇到“specified key was too long; max key length is 3072 bytes”这个错误,通常意味着你尝试创建的索引或主键的长度超过了MySQL所允许的最大键长度。MySQL的InnoDB存储引擎对索引键的长度有具体的限制,这个限制取决于字符集和排序规则(collation)。以下是解决这个问题的几个步骤: 1. 理解MySQL的键长度...
报错信息:指定的key长度超过了3072bytes。 (root@localhost) [zabbix]> CREATE INDEX `index_items_key` ON `items` (`hostid`,`key_info`(1021)); ERROR 1071 (42000): Specified key was too long; max key length is 3072 bytes 解决步骤 查看数据库默认字符集是utf8mb4 (root@localhost) [zabbix]>...
或者: ERROR 1071 (42000): Specified key was too long; max key length is 3072 bytes (2) 出现这个错误(ERROR 1071 (42000): Specified key was too long; max key length is 3072 bytes)的原因是因为 InnoDB 表引擎的限制: 默认情况下,索引前缀长度限制为 767 字节,当开启了 innodb_large_prefix 选项...
出现这个错误(ERROR 1071 (42000): Specified key was too long; max key length is 3072 bytes)的原因是因为 InnoDB 表引擎的限制: 默认情况下,索引前缀长度限制为 767 字节,当开启了 innodb_large_prefix 选项时,索引前缀长度扩展到 3072 字节。
ERROR 1071 (42000): Specified key was too long; max key length is 3072 bytes show variables like 'innodb_page_size'; 果断翻译了一下mysql8的官方文档,得出结论: 需要修改长度的字段做了索引; innodb引擎的每个索引列长度限制为767字节(bytes),所有组成索引列的长度和不能大于3072字节。为什么限制为3072 ...
Apache James 使用mysql存储启动报错Specified key was too long; max key length is 3072 bytes 没事捣鼓自建mail服务,作为java开发,肯定想到了java实现。刚好apache就有开源的James(Java Apache Mail Enterprise Server)。下载下来准备试试。 目前最新版是 3.4.0版本。
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When running the commandocc maintenance:repairI'm getting the error: Polls - Create indices and foreign key constraints ERROR: An exception occurred while executing a query: SQLSTATE[42000]: Syntax error or access violation: 1071 Specified key was too long; max key length is 3072 bytes ...
This error occurs when the length of a string type primary key is added to exceed 768. Failed executing DbCommand (46ms) [Parameters=[], CommandType='Text', CommandTimeout='30'] CREATE TABLE IdentityServerClientSecrets ( Type varchar(250...
或者: ERROR 1071 (42000): Specified key was too long; max key length is 3072 bytes (2) 出现这个错误(ERROR 1071 (42000): Specified key was too long; max key length is 3072 bytes)的原因是因为 InnoDB 表引擎的限制: 默认情况下,索引前缀长度限制为 767 字节,当开启了 innodb_large_prefix 选项...