I have installed xampp server in my pc. First time creating database and insert data into database using phpmyadmin page was error free. For some table more than 1GB size i changed some configuration file settings like memory_limit, max_data_size. When I restarted the server and open the phpmyadmin page it is showing nothing (no error, no data). I don't understand the problem, already undo all configuration changes but still not working.
In MySQL log getting the following status :
2020-02-14 22:22:30 0 [Note] InnoDB: Mutexes and rw_locks use Windows interlocked functions
2020-02-14 22:22:30 0 [Note] InnoDB: Uses event mutexes
2020-02-14 22:22:30 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
2020-02-14 22:22:30 0 [Note] InnoDB: Number of pools: 1
2020-02-14 22:22:30 0 [Note] InnoDB: Using SSE2 crc32 instructions
2020-02-14 22:22:30 0 [Note] InnoDB: Initializing buffer pool, total size = 16M, instances = 1, chunk size = 16M
2020-02-14 22:22:30 0 [Note] InnoDB: Completed initialization of buffer pool
2020-02-14 22:22:30 0 [Note] InnoDB: Starting crash recovery from checkpoint LSN=300324
2020-02-14 22:22:31 0 [Note] InnoDB: 128 out of 128 rollback segments are active.
2020-02-14 22:22:31 0 [Note] InnoDB: Removed temporary tablespace data file: "ibtmp1"
2020-02-14 22:22:31 0 [Note] InnoDB: Creating shared tablespace for temporary tables
2020-02-14 22:22:31 0 [Note] InnoDB: Setting file 'D:\xampp\mysql\data\ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2020-02-14 22:22:31 0 [Note] InnoDB: File 'D:\xampp\mysql\data\ibtmp1' size is now 12 MB.
2020-02-14 22:22:31 0 [Note] InnoDB: Waiting for purge to start
2020-02-14 22:22:31 0 [Note] InnoDB: 10.4.11 started; log sequence number 300333; transaction id 171
2020-02-14 22:22:31 0 [Note] InnoDB: Loading buffer pool(s) from D:\xampp\mysql\data\ib_buffer_pool
2020-02-14 22:22:31 0 [Note] Plugin 'FEEDBACK' is disabled.
2020-02-14 22:22:31 0 [Note] InnoDB: Buffer pool(s) load completed at 200214 22:22:31
2020-02-14 22:22:31 0 [Note] Server socket created on IP: '::'.
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I'm using XAMPP version 3.2.4 and it was working normally for a while, but suddenly today when trying to start MYSQL it refuse to start and logs file display:
InnoDB: using atomic writes.
2020-08-03 12:08:25 0 [Note] InnoDB: Mutexes and rw_locks use Windows interlocked functions
2020-08-03 12:08:25 0 [Note] InnoDB: Uses event mutexes
2020-08-03 12:08:25 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
2020-08-03 12:08:25 0 [Note] InnoDB: Number of pools: 1
2020-08-03 12:08:25 0 [Note] InnoDB: Using SSE2 crc32 instructions
2020-08-03 12:08:25 0 [Note] InnoDB: Initializing buffer pool, total size = 16M, instances = 1, chunk size = 16M
2020-08-03 12:08:25 0 [Note] InnoDB: Completed initialization of buffer pool
2020-08-03 12:08:26 0 [Note] InnoDB: 128 out of 128 rollback segments are active.
2020-08-03 12:08:26 0 [Note] InnoDB: Creating shared tablespace for temporary tables
2020-08-03 12:08:26 0 [Note] InnoDB: Setting file 'C:\xampp\mysql\data\ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2020-08-03 12:08:26 0 [Note] InnoDB: File 'C:\xampp\mysql\data\ibtmp1' size is now 12 MB.
2020-08-03 12:08:26 0 [Note] InnoDB: Waiting for purge to start
2020-08-03 12:08:26 0 [Note] InnoDB: 10.4.11 started; log sequence number 2055444129; transaction id 138579
2020-08-03 12:08:26 0 [Note] InnoDB: Loading buffer pool(s) from C:\xampp\mysql\data\ib_buffer_pool
2020-08-03 12:08:26 0 [Note] Plugin 'FEEDBACK' is disabled.
2020-08-03 12:08:26 0 [Note] Server socket created on IP: '::'.
and as you see all are notes and no error but when I check to windows event viewer I found this error:
Failed to create a new master info file (file
'C:\xampp\mysql\data\master-2020#002d08#002d03#0020#00201#003a01#003a27#002016#0020#005bwarning#005d#0020aborted#0020connection#002016#0020to#0020db#003a#0020#0027ts_ninja#0027#0020user#003a#0020#0027root#0027#0020host#003a#0020#0027localhost#0027#0020#0028got#0020an#0020error#0020reading#0020communication#0020packets#0029#000d.info',
errno 2)
, I tried to change max_allowed_packet=128M from 1M but still the same, any help will be appreciated (note that Apache successfully start)
Yesterday, everything was working good. But today after started my xampp server it shows "Error: MySQL shutdown unexpectedly.". I already checked error logs for this error. I found :
InnoDB: using atomic writes.
2020-04-02 15:37:47 0 [Note] InnoDB: Mutexes and rw_locks use Windows interlocked functions
2020-04-02 15:37:47 0 [Note] InnoDB: Uses event mutexes
2020-04-02 15:37:47 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
2020-04-02 15:37:47 0 [Note] InnoDB: Number of pools: 1
2020-04-02 15:37:47 0 [Note] InnoDB: Using SSE2 crc32 instructions
2020-04-02 15:37:47 0 [Note] InnoDB: Initializing buffer pool, total size = 16M, instances = 1, chunk size = 16M
2020-04-02 15:37:47 0 [Note] InnoDB: Completed initialization of buffer pool
2020-04-02 15:37:47 0 [Note] InnoDB: 128 out of 128 rollback segments are active.
2020-04-02 15:37:47 0 [Note] InnoDB: Creating shared tablespace for temporary tables
2020-04-02 15:37:47 0 [Note] InnoDB: Setting file 'D:\xampp\mysql\data\ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2020-04-02 15:37:47 0 [Note] InnoDB: File 'D:\xampp\mysql\data\ibtmp1' size is now 12 MB.
2020-04-02 15:37:47 0 [Note] InnoDB: Waiting for purge to start
2020-04-02 15:37:47 0 [Note] InnoDB: 10.4.11 started; log sequence number 304802; transaction id 201
2020-04-02 15:37:47 0 [Note] InnoDB: Loading buffer pool(s) from D:\xampp\mysql\data\ib_buffer_pool
2020-04-02 15:37:47 0 [Note] Plugin 'FEEDBACK' is disabled.
2020-04-02 15:37:47 0 [ERROR] Could not open mysql.plugin table. Some plugins may be not loaded
2020-04-02 15:37:47 0 [ERROR] Can't open and lock privilege tables: Table 'mysql.servers' doesn't exist
2020-04-02 15:37:47 0 [Note] Server socket created on IP: '::'.
I don't understand why this happening. Can anyone help me to get rid of this error?
I'm using MySQL(10.4.11-MariaDB) with XAMPP(PHP 7.4.3).
Using phpMyAdmin I try to execute this query: SELECT AES_ENCRYPT("MyText", "key");
As a result I get an error: #2006 - MySQL server has gone away and in XAMPP Error: MySQL shutdown unexpectedly.
In mysql_error.log appears nothing about this.
How to fix this?
UPDATE
I cleared mysql_error.log. Started MySQL, executed query to crash MySQL.
This is content of mysql_error.log:
InnoDB: using atomic writes.
2020-03-18 11:37:55 0 [Note] InnoDB: Mutexes and rw_locks use Windows interlocked functions
2020-03-18 11:37:55 0 [Note] InnoDB: Uses event mutexes
2020-03-18 11:37:55 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
2020-03-18 11:37:55 0 [Note] InnoDB: Number of pools: 1
2020-03-18 11:37:55 0 [Note] InnoDB: Using SSE2 crc32 instructions
2020-03-18 11:37:55 0 [Note] InnoDB: Initializing buffer pool, total size = 16M, instances = 1, chunk size = 16M
2020-03-18 11:37:55 0 [Note] InnoDB: Completed initialization of buffer pool
2020-03-18 11:37:55 0 [Note] InnoDB: The log sequence number 0 in the system tablespace does not match the log sequence number 47116 in the ib_logfiles!
2020-03-18 11:37:55 0 [Note] InnoDB: 128 out of 128 rollback segments are active.
2020-03-18 11:37:55 0 [Note] InnoDB: Removed temporary tablespace data file: "ibtmp1"
2020-03-18 11:37:55 0 [Note] InnoDB: Creating shared tablespace for temporary tables
2020-03-18 11:37:55 0 [Note] InnoDB: Setting file 'C:\xampp\mysql\data\ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2020-03-18 11:37:55 0 [Note] InnoDB: File 'C:\xampp\mysql\data\ibtmp1' size is now 12 MB.
2020-03-18 11:37:55 0 [Note] InnoDB: Waiting for purge to start
2020-03-18 11:37:55 0 [Note] InnoDB: 10.4.11 started; log sequence number 47116; transaction id 9
2020-03-18 11:37:55 0 [Note] InnoDB: Loading buffer pool(s) from C:\xampp\mysql\data\ib_buffer_pool
2020-03-18 11:37:55 0 [Note] Plugin 'FEEDBACK' is disabled.
2020-03-18 11:37:55 0 [Note] InnoDB: Buffer pool(s) load completed at 200318 11:37:55
2020-03-18 11:37:55 0 [Note] Server socket created on IP: '::'.
I am facing a problem in xampp, mysql doesn't running, i have searched a lot for a solution and tried a many of them, but no one fixed, my problem, i think the error log is different this time,
errors log :
2020-01-21 13:12:04 0 [Note] InnoDB: Mutexes and rw_locks use Windows interlocked functions
2020-01-21 13:12:04 0 [Note] InnoDB: Uses event mutexes
2020-01-21 13:12:04 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
2020-01-21 13:12:04 0 [Note] InnoDB: Number of pools: 1
2020-01-21 13:12:04 0 [Note] InnoDB: Using SSE2 crc32 instructions
2020-01-21 13:12:04 0 [Note] InnoDB: Initializing buffer pool, total size = 16M, instances = 1, chunk
size = 16M
2020-01-21 13:12:04 0 [Note] InnoDB: Completed initialization of buffer pool
2020-01-21 13:12:04 0 [Note] InnoDB: 128 out of 128 rollback segments are active.
2020-01-21 13:12:04 0 [Note] InnoDB: Creating shared tablespace for temporary tables
2020-01-21 13:12:04 0 [Note] InnoDB: Setting file 'C:\xampp\mysql\data\ibtmp1' size to 12 MB.
Physically writing the file full; Please wait ...
2020-01-21 13:12:04 0 [Note] InnoDB: File 'C:\xampp\mysql\data\ibtmp1' size is now 12 MB.
2020-01-21 13:12:04 0 [Note] InnoDB: Waiting for purge to start
2020-01-21 13:12:04 0 [Note] InnoDB: 10.4.6 started; log sequence number 113908; transaction id 9
2020-01-21 13:12:04 0 [Note] InnoDB: Loading buffer pool(s) from C:\xampp\mysql\data\ib_buffer_pool
2020-01-21 13:12:04 0 [Note] Plugin 'FEEDBACK' is disabled.
2020-01-21 13:12:04 0 [Note] InnoDB: Buffer pool(s) load completed at 200121 13:12:04
2020-01-21 13:12:04 0 [Note] Server socket created on IP: '::'.
XAMPP was working correctly earlier this morning, but after doing some Wordpress plugin updates and resyncing with Github and Pantheon, MySQL now will start, run for a few seconds, and then shut down. When looking at mysql_error.log, I see this:
InnoDB: using atomic writes.
2019-10-09 12:41:23 0 [Note] InnoDB: Mutexes and rw_locks use Windows interlocked functions
2019-10-09 12:41:23 0 [Note] InnoDB: Uses event mutexes
2019-10-09 12:41:23 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
2019-10-09 12:41:23 0 [Note] InnoDB: Number of pools: 1
2019-10-09 12:41:23 0 [Note] InnoDB: Using SSE2 crc32 instructions
2019-10-09 12:41:23 0 [Note] InnoDB: Initializing buffer pool, total size = 16M, instances = 1, chunk size = 16M
2019-10-09 12:41:23 0 [Note] InnoDB: Completed initialization of buffer pool
2019-10-09 12:41:23 0 [Note] InnoDB: 128 out of 128 rollback segments are active.
2019-10-09 12:41:23 0 [Note] InnoDB: Creating shared tablespace for temporary tables
2019-10-09 12:41:23 0 [Note] InnoDB: Setting file 'C:\xampp\mysql\data\ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2019-10-09 12:41:23 0 [Note] InnoDB: File 'C:\xampp\mysql\data\ibtmp1' size is now 12 MB.
2019-10-09 12:41:23 0 [Note] InnoDB: Waiting for purge to start
2019-10-09 12:41:23 0 [Note] InnoDB: 10.4.6 started; log sequence number 113917; transaction id 9
2019-10-09 12:41:23 0 [Note] InnoDB: Loading buffer pool(s) from C:\xampp\mysql\data\ib_buffer_pool
2019-10-09 12:41:23 0 [Note] Plugin 'FEEDBACK' is disabled.
2019-10-09 12:41:23 0 [Note] InnoDB: Buffer pool(s) load completed at 191009 12:41:23
2019-10-09 12:41:23 0 [Note] Server socket created on IP: '::'.
I don't see any obvious errors.
Any thoughts on how I could either get more detailed error information or how to fix this? Thanks!
UPDATE
In the Windows Event Viewer, I was able to get the following error description:
Slave I/O: Fatal error: Invalid (empty) username when attempting to connect to the master server. Connection attempt terminated. Internal MariaDB error code: 1593
Copy this files:
aria_log.00000001
aria_log_control
ib_buffer_pool
ib_logfile0
ib_logfile1
ibdata1
ibtmp1
multi-master.info
from: xampp\mysql\backup
to: xampp\mysql\data