报错时机
- 登录没问题
- use库没问题
- select任意一张表均报错
报错信息
mysql> select * from mydb.tb_user;
ERROR 3009 (HY000): java.lang.IllegalArgumentException: Invalid DataSource:0解决方法
修改schema.xml
改为127.0.0.1，重启mycat
修改user表并不可行
网上有说修改user表，增加localhost（已存在%），尝试并不可行。
root用户
use mysql
select Host,User from user;
insert into user select
'localhost',
User ,
Select_priv ,
Insert_priv ,
Update_priv ,
Delete_priv ,
Create_priv ,
Drop_priv ,
Reload_priv ,
Shutdown_priv ,
Process_priv ,
File_priv ,
Grant_priv ,
References_priv ,
Index_priv ,
Alter_priv ,
Show_db_priv ,
Super_priv ,
Create_tmp_table_priv ,
Lock_tables_priv ,
Execute_priv ,
Repl_slave_priv ,
Repl_client_priv ,
Create_view_priv ,
Show_view_priv ,
Create_routine_priv ,
Alter_routine_priv ,
Create_user_priv ,
Event_priv ,
Trigger_priv ,
Create_tablespace_priv,
ssl_type ,
ssl_cipher ,
x509_issuer ,
x509_subject ,
max_questions ,
max_updates ,
max_connections ,
max_user_connections ,
plugin ,
authentication_string ,
password_expired ,
password_last_changed ,
password_lifetime ,
account_locked from user where user='myuser';