MySQL常见报错汇总

时间:2023-03-09 00:59:35
MySQL常见报错汇总

1>.ERROR 1290 (HY000): The MySQL server is running with the --secure-file-priv option so it cannot execute this statement

MySQL常见报错汇总

  报错原因:

    在MySQL的配置文件中未指定“--secure-file-priv”参数的默认值,而改参数的功能就是确定使用SELECT ... INTO语句时将查询的结果保存到本地文件中,如果未指定则不可以使用该功能。

  解决方案:

    既然知道原因所在,我们需要做2个操作,第一步是修改配置文件,如下所示。第二步就是重启MySQL服务使得配置生效~

[root@node110 ~]# cat /etc/my.cnf | grep secure_file_priv
secure_file_priv=/yinzhengjie/backup
[root@node110 ~]#
[root@node110 ~]# /etc/init.d/mysql.server restart
Shutting down MySQL... SUCCESS!
Starting MySQL. SUCCESS!
[root@node110 ~]#  

2>.ERROR 1 (HY000): Can't create/write to file '/yinzhengjie/backup/student.bak' (OS errno 13 - Permission denied) MySQL常见报错汇总

  报错原因:

    根据报错的提示信息大家不难判断,这是由于权限不足导致!

  解决方案:

    既然知道的报错的原因,解决起来就很轻松了,比如改目录分配相应的权限,一种比较暴力的方法就是给该目录分配最高权限。如下所示:(当然你也可以只给启动mysql服务的用户分配ACL权限~)

[root@node110 backup]# pwd
/yinzhengjie/backup
[root@node110 backup]#
[root@node110 yinzhengjie]# ll
total 12
drwxr-xr-x. 2 root root 4096 Jan 26 15:08 backup
drwxr-xr-x. 2 root root 4096 Jan 23 06:04 download
drwxr-xr-x. 3 root root 4096 Jan 23 06:04 softwares
[root@node110 yinzhengjie]# chmod 777 backup -R
[root@node110 yinzhengjie]#
[root@node110 yinzhengjie]#
[root@node110 yinzhengjie]# ll
total 12
drwxrwxrwx. 2 root root 4096 Jan 26 15:08 backup
drwxr-xr-x. 2 root root 4096 Jan 23 06:04 download
drwxr-xr-x. 3 root root 4096 Jan 23 06:04 softwares
[root@node110 yinzhengjie]#

3>.ERROR 1418 (HY000): This function has none of DETERMINISTIC, NO SQL, or READS SQL DATA in its declaration and binary logging is enabled (you *might* want to use the less safe log_bin_trust_function_creators variable)

MySQL常见报错汇总

  报错原因:

    根据上面的提示,想必大家猜的已经八九不离十来,这是我们开启了bin-log, 我们就必须指定我们的函数是否是上述提示信息中的 “DETERMINISTIC (不确定的)”,“ NO SQL (没有SQl语句,当然也不会修改数据)”,“ READS SQL DATA (只是读取数据,当然也不会修改数据)”,“ MODIFIES SQL DATA 要修改数据” ,“CONTAINS SQL (包含了SQL语句)”。

    其中在function里面,只有 DETERMINISTIC, NO SQL 和 READS SQL DATA 被支持。如果我们开启了 bin-log, 我们就必须为我们的function指定一个参数。

  解决方案:

    在MySQL中创建函数时出现上述错误的解决方法,如下:

mysql> SHOW VARIABLES LIKE 'log_bin';                 #在MySQL8.0中,log_bin被打开了,在MySQL5.7之前的版本是关闭状态的!
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| log_bin | ON |
+---------------+-------+
1 row in set (0.00 sec) mysql>
mysql> SHOW VARIABLES LIKE '%trust%';
+---------------------------------+-------+
| Variable_name | Value |
+---------------------------------+-------+
| log_bin_trust_function_creators | OFF |
+---------------------------------+-------+
1 row in set (0.00 sec) mysql>
mysql> set global log_bin_trust_function_creators=TRUE;      #由于开启了log_bin功能,因此我们需要将创建函数的功能手动开启 Query OK, 0 rows affected (0.00 sec) mysql>
mysql> SHOW VARIABLES LIKE '%trust%';                
+---------------------------------+-------+
| Variable_name | Value |
+---------------------------------+-------+
| log_bin_trust_function_creators | ON |
+---------------------------------+-------+
1 row in set (0.00 sec) mysql>
mysql>
mysql> set global log_bin_trust_function_creators=TRUE;
Query OK, 0 rows affected (0.00 sec) mysql>
mysql> CREATE FUNCTION hello(str CHAR(30))
-> RETURNS CHAR(50)
-> RETURN CONCAT('Hello,',str,'!');
Query OK, 0 rows affected (0.00 sec) mysql>

4>.mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory

MySQL常见报错汇总

  报错原因:

    缺少依赖库文件,名曰“libaio.so”。

  解决方案:

    既然知道缺少依赖库文件,我们直接使用yum工具安装一下即可!具体操作如下所示:

[root@node101 ~]# yum -y install libaio
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: mirror.jdcloud.com
* extras: mirrors.neusoft.edu.cn
* updates: mirrors..com
Resolving Dependencies
--> Running transaction check
---> Package libaio.x86_64 :0.3.-.el7 will be installed
--> Finished Dependency Resolution Dependencies Resolved =======================================================================================================================================================================================
Package Arch Version Repository Size
=======================================================================================================================================================================================
Installing:
libaio x86_64 0.3.-.el7 base k Transaction Summary
=======================================================================================================================================================================================
Install Package Total download size: k
Installed size: k
Downloading packages:
libaio-0.3.-.el7.x86_64.rpm | kB ::
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : libaio-0.3.-.el7.x86_64 /
Verifying : libaio-0.3.-.el7.x86_64 / Installed:
libaio.x86_64 :0.3.-.el7 Complete!
[root@node101 ~]#

[root@node101 ~]# yum -y install libaio

5>.mysqld_safe error: log-error set to '/var/log/mariadb/mariadb.log', however file don't exists. Create writable for user 'mysql'.

MySQL常见报错汇总

  报错原因:

    很明显是文件权限问题,大家可以自行去看"/etc/my.cnf"配置文件的内容配置的是否正确,如果你配置的目录或文件不存在的话,可能会抛出各种各样的异常!

  解决方案:

[root@node101 ~]# mkdir /var/log/mariadb
[root@node101 ~]#
[root@node101 ~]# touch /var/log/mariadb/mariadb.log
[root@node101 ~]#
[root@node101 ~]# chown -R mysql:mysql /var/log/mariadb/
[root@node101 ~]#

  如果你发现本篇博客没有你相关的错误处理记录,也可以去看看官网常见的错误分析,是否有和你报错一致的:https://dev.mysql.com/doc/refman/8.0/en/error-handling.html