MySQL Error : MySQL Server Has Gone Away
Dec 18, 2007
I keep getting this error :
MySQL Error : MySQL server has gone away
How do I fix it?
my.cnf contents
Quote:
[mysqld]
safe-show-database
old_passwords
back_log = 75
skip-innodb
max_connections = 800
key_buffer = 48M
myisam_sort_buffer_size = 64M
join_buffer_size = 1M
read_buffer_size = 1M
sort_buffer_size = 2M
table_cache = 3000
thread_cache_size = 128
wait_timeout = 90
connect_timeout = 30
tmp_table_size = 128M
max_heap_table_size = 64M
max_allowed_packet = 256M
net_buffer_length = 16384
max_connect_errors = 10
thread_concurrency = 4
read_rnd_buffer_size = 786432
bulk_insert_buffer_size = 8M
query_cache_limit = 3M
query_cache_size = 48M
query_cache_type = 1
query_prealloc_size = 262144
query_alloc_block_size = 65536
transaction_alloc_block_size = 8192
transaction_prealloc_size = 4096
default-storage-engine = MyISAM
max_user_connections = 500
[mysqld_safe]
nice = -5
open_files_limit = 8192
[mysqldump]
quick
max_allowed_packet = 16M
[myisamchk]
key_buffer = 64M
sort_buffer = 64M
read_buffer = 16M
write_buffer = 16M
[mysqlhotcopy]
interactive-timeout
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Jan 21, 2007
I installed the MySQL binary packages in /usr/local/mysql/ after removing the MySQL RPM package. MySQL is functioning when I executed /usr/local/mysql/bin/safe_mysqld. I reinstalled MySQL before I installed PHP. When I used a PHP script to access a MySQL database, it outputs an error:
Code:
Warning: mysqli::mysqli() [function.mysqli-mysqli]: (HY000/2002): can't connect to local mysql server through socket /var/lib/mysql/mysql.sock in index.php on line 2
However, I installed MySQL in /usr/local/mysql, not in /var/lib/mysql. How do I fix MySQL?
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Jun 19, 2009
Trying to install Mysql 5 on a Windows 2003 server but getting this error attached.
For one, trying to follow this guideline
[url]
Download from:
[url]
(msi file, x86)
Filename: mysql-essential-5.1.35-win32.msi
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Jun 20, 2008
I can't find any straight answers when searching Google. I've been stuck in a what has become a nightmare server move for about 2 weeks now.
After finally getting a mysql.sock issue fixed I can get the MYSQL dbs over to the new server but it appears that their permissions need to be changed. Is there a way to handle this from the root level? I have roughly 120 dbs to process
I am moving from a VPS to a dedicated server - both have root access.
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Feb 14, 2008
Recently,Mysql has been a problem that is going down.So,I have to restart Mysql Service everyday. You can see for further information at here
Quote:
ERROR
Couldn't connect to database.
Please contact admin about this err. Back
DETAIL
2002 : Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
This is the error when i restart Mysql Service via SSH
Quote:
ERROR! MySQL manager or server PID file could not be found!
Starting MySQL SUCCESS!
what i should do and give me a solution to kill this error
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May 8, 2009
Since my /var partition is full, so I moved /var/lib/mysql to /backup/mysql/.
Seems all the files are copied and I changed my.cnf reboot mysql, but all the web sites using db is not working anymore..
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Jul 21, 2007
I have this error my site:
dbconn: mysql_connect: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
*dbconn: mysql_connect: Can't create a new thread (errno 12); if you are not out of available memory, you can consult the manual for a possible OS-dependent bug*
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Mar 3, 2007
I recived this error message while testing my website registartions form and was wondering what to do with this and i think it should be permission to access to the database is not given to the user but this is my own account and im the admin and how come the access is denied?
Warning: mysql_connect() [function.mysql-connect]: Access denied for user 'alien'@'localhost' (using password: YES) in /home/seektran/public_html/db_connect.php on line 12
Error: Could not connect to database server. Please try again later.Access denied for user 'alien'@'localhost' (using password: YES)
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Jun 27, 2009
I have recently upgraded mysql server from 5.0.75 to 5.1.31 on my Ubuntu server 9.04 32 bit. After that when I am running phpmyadmin it is printing a warning :
Your PHP MySQL library version 5.0.75 differs from your MySQL server version 5.1.31.
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Jul 1, 2009
in phpMyadmin when trying to import a database from a file, i'm getting the error:
#1153 - Got a packet bigger than 'max_allowed_packet' bytes
The file I'm importing is only 7.08MB
I have tried setting the packet size in the shell as follows:
mysql> mysqld --max_allowed_packet=32M
I got no error or no confirmation either using this command, sorry I dont use shell commands much so I dont know if thats a problem or if it worked.
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Jul 8, 2009
I have a new customer moving from another host. His account was terminated already, so just have backup file. When restoring his mysql database, I have this error
Quote:
Unable to restore database dbname.sql to agesuke_forum : ERROR at line 521 in file: '/backup/dbname.sql': Unknown command ''.
Googling shows error in version < 5.0.6 but we are using 5.1.35 already. Is there any idea to fix? This account will run on CentOS 5 - 64bits, FYI.
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Nov 7, 2008
MySQL Error : Out of memory
I'm getting this very frequently today
MySQL Error : Out of memory (Needed 76760 bytes)
Error Number : 5
Request Date : Friday, November 7th 2008 @ 01:52:17 PM
Error Date : Friday, November 7th 2008 @ 01:52:18 PM
Script : [url]
Referrer : [url]
IP Address :
Username :
Classname : vB_Database
MySQL Version :
I have Mysql 5 installed, on a Centos/Cpanel box. Server has 4GB memory, server load is green/normal.
I already ran optimization on the database too.
It started happening yesterday, pretty much after I installed this hack:[url]
Quote:
[mysqld]
local-infile=0
datadir=/var/lib/mysql
skip-locking
skip-networking
safe-show-database
query_cache_limit=2M
query_cache_size=128M ## 32MB for every 1GB of RAM
query_cache_type=1
max_user_connections=500
max_connections=500
interactive_timeout=10
wait_timeout=28800
connect_timeout=20
thread_cache_size=128
key_buffer=512M ## 128MB for every 1GB of RAM
join_buffer=8M
max_connect_errors=20
max_allowed_packet=32M
table_cache=1024
record_buffer=8M
sort_buffer_size=4M ## 1MB for every 1GB of RAM
read_buffer_size=4M ## 1MB for every 1GB of RAM
read_rnd_buffer_size=4M ## 1MB for every 1GB of RAM
thread_concurrency=8 ## Number of CPUs x 2
myisam_sort_buffer_size=64M
server-id=1
collation-server=latin1_swedish_ci
[mysql.server]
user=mysql
old-passwords = 1
[safe_mysqld]
err-log=/var/log/mysqld.log
pid-file=/var/lib/mysql/mysql.pid
open_files_limit=8192
[mysqldump]
quick
max_allowed_packet=24M
[mysql]
no-auto-rehash
#safe-updates
[isamchk]
key_buffer=64M
sort_buffer=64M
read_buffer=16M
write_buffer=16M
[myisamchk]
key_buffer=64M
sort_buffer=64M
read_buffer=16M
write_buffer=16M
[mysqlhotcopy]
interactive-timeout
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Jul 22, 2007
Warning: mysql_connect() [function.mysql-connect]: Can't create a new thread (errno 11); if you are not out of available memory, you can consult the manual for a possible OS-dependent bug in /home/user/public_html/includes/functions.php on line 423
Can't create a new thread (errno 11); if you are not out of available memory, you can consult the manual for a possible OS-dependent bug
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Dec 12, 2007
Error: Missing Dependency: php = 4.3.9-3.22.9 is needed by package php-mysql
above is the error if i try to install php-mysql
tried several times:
yum install php-mysql
but i get the same error everytime
i am using Centos4 + PHP5 + mySQL5
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Jan 30, 2007
MySQL 5.0.27
phpMyAdmin 2.5.0
Php ver 4.4.0
IIS6 Win2003 Web Edition - dedicated
I cannot work out what is going wrong here. I have been up all night trying to work it out!
Have installed MySQL + PHPmyAdmin no errors no problems. Log into phpmyadmin and look at a database but it will not show how many records are in the field nor what size the records are. It says records - unknown, size unknown
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Sep 22, 2007
I've got a Fully Managed VPS hosting service running my sites and this morning I got the following error messages. My host says they do not monitor mySQL yet this error took my whole store down and kept it down for several hours until I noticed that. It's not a complaint, just asking your opinions on what this could be and what should i do about it etc.:
Warning: mysql_select_db() [function.mysql-select-db]: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (11) in /home/store/public_html/include/func/func.db.php on line 47
Warning: mysql_select_db() [function.mysql-select-db]: A link to the server could not be established in /home/store/public_html/include/func/func.db.php on line 47
Sorry, the shop is inaccessible temporarily. Please try again later.
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Dec 27, 2007
Getting this frequently
MySQL Error : MySQL server has gone away Error Number : 2006
/etc/my.cnf
[mysqld]
local-infile=0
datadir=/var/lib/mysql
skip-locking
skip-innodb
skip-networking
safe-show-database
query_cache_limit=1M
query_cache_size=32M ## 32MB for every 1GB of RAM
query_cache_type=1
max_user_connections=300
max_connections=1000
interactive_timeout=10
wait_timeout=20
connect_timeout=20
thread_cache_size=128
key_buffer=512M ## 128MB for every 1GB of RAM
join_buffer=1M
max_connect_errors=20
max_allowed_packet=16M
table_cache=1024
record_buffer=4M
sort_buffer_size=4M ## 1MB for every 1GB of RAM
read_buffer_size=4M ## 1MB for every 1GB of RAM
read_rnd_buffer_size=4M ## 1MB for every 1GB of RAM
thread_concurrency=8 ## Number of CPUs x 2
myisam_sort_buffer_size=64M
server-id=1
collation-server=latin1_general_ci
[mysql.server]
user=mysql
[safe_mysqld]
err-log=/var/log/mysqld.log
pid-file=/var/lib/mysql/mysql.pid
open_files_limit=8192
[mysqldump]
quick
max_allowed_packet=16M
[mysql]
no-auto-rehash
#safe-updates
[isamchk]
key_buffer=64M
sort_buffer=64M
read_buffer=16M
write_buffer=16M
[myisamchk]
key_buffer=64M
sort_buffer=64M
read_buffer=16M
write_buffer=16M
[mysqlhotcopy]
interactive-timeout
I have mysql 5 / php 5 / apache 2 with cpanel/whm.
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Nov 21, 2007
We have created an account on our dedicated server in the Ensim appliance, however, when trying to add a database it fails and says;
mysql - Enable service
( ERROR ):Mysql error: (1226, "User 'root' has exceeded the 'max_connections_per_hour' resource (current value: 1)")
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Jun 28, 2007
I've been trying to import a 1MB sql file into mysql under GoDaddy Linux Deluxe shared hosting and after waiting forever I get a 2006 error -server has gone away. didn't know that 1MB was such a big file!! anyone else experiencing the same?
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Apr 18, 2009
I update MySQL from version 4 to 5.0.67-community.
Now, I often get errors:
Quote:
MySQL error code: 2006
MySQL error text: MySQL server has gone away
I think MySQL is not properly configured, but I don't find problem.
Below is content of the file - my.cnf. Please see it and compare with yours. Maybe I have low limits into it. Please give me any advice ...
Quote:
[mysqld]
datadir=/var/lib/mysql
skip-locking
safe-show-database
old-passwords = 1
query_cache_limit=1M
query_cache_size=80M ## 32MB for every 1GB of RAM
query_cache_type=1
max_user_connections=50
max_connections=400
interactive_timeout=30
delayed_insert_timeout=30
wait_timeout=20
connect_timeout=20
thread_cache_size=128
key_buffer=90M ## 32MB for every 1GB of RAM
join_buffer=1M
max_connect_errors=20
max_allowed_packet=16M
table_cache=1024
record_buffer=1M
sort_buffer_size=4M ## 1MB for every 1GB of RAM
read_buffer_size=4M ## 1MB for every 1GB of RAM
read_rnd_buffer_size=4M ## 1MB for every 1GB of RAM
thread_concurrency=4 ## Number of CPUs x 2
myisam_sort_buffer_size=64M
server-id=1
[mysql.server]
user=mysql
[safe_mysqld]
err-log=/var/log/mysqld.log
pid-file=/var/lib/mysql/mysql.pid
#open_files_limit=8192
[mysqldump]
quick
max_allowed_packet=16M
[mysql]
no-auto-rehash
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Jun 1, 2008
One of our servers mysql daemon is restarting most of the time and got the error message in the message file. Did anyone see similar error message?
Jun 1 05:46:44 kernel: audit(1212317204.342:6991): avc: denied { read } for pid=17286 comm="mysqld" name="/" dev=loop0 ino=2 scontext=user_uystem_r:mysqld_t0 tcontext=system_ubject_r:file_t0 tclass=dir
Jun 1 05:46:44 kernel: audit(1212317204.343:6992): avc: denied { getattr } for pid=17286 comm="mysqld" path="/tmp" dev=loop0 ino=2 scontext=user_uystem_r:mysqld_t0 tcontext=system_ubject_r:file_t0 tclass=dir
Jun 1 05:46:44 kernel: audit(1212317204.346:6993): avc: denied { read } for pid=17286 comm="mysqld" name="time_zone_leap_second.frm" dev=hda2 in
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Aug 12, 2008
I was trying to restore an account via SHH and I get this message while the process arrived at restoring databases:
Quote:
ERROR at line 4236: DELIMITER must be followed by a 'delimiter' character or string
ERROR at line 4237: DELIMITER must be followed by a 'delimiter' character or string
Done
Restoring database roundcube......
/usr/bin/mysqladmin: CREATE DATABASE failed; error: 'Can't create database 'roundcube'; database exists'
ERROR at line 32: DELIMITER must be followed by a 'delimiter' character or string
ERROR at line 33: DELIMITER must be followed by a 'delimiter' character or string
ERROR at line 76: DELIMITER must be followed by a 'delimiter' character or string
ERROR at line 77: DELIMITER must be followed by a 'delimiter' character or string
ERROR at line 120: DELIMITER must be followed by a 'delimiter' character or string
ERROR at line 121: DELIMITER must be followed by a 'delimiter' character or string
ERROR at line 163: DELIMITER must be followed by a 'delimiter' character or string
ERROR at line 164: DELIMITER must be followed by a 'delimiter' character or string
Done
Restoring database horde......
/usr/bin/mysqladmin: CREATE DATABASE failed; error: 'Can't create database 'horde'; database exists'
ERROR 1146 (42S02) at line 23: Table 'horde.turba_objects' doesn't exist
ERROR 1146 (42S02) at line 24: Table 'horde.turba_objects' doesn't exist
ERROR 1146 (42S02) at line 25: Table 'horde.turba_objects' doesn't exist
ERROR at line 31: DELIMITER must be followed by a 'delimiter' character or string
ERROR at line 32: DELIMITER must be followed by a 'delimiter' character or string
ERROR 1146 (42S02) at line 66: Table 'horde.horde_prefs' doesn't exist
ERROR 1146 (42S02) at line 67: Table 'horde.horde_prefs' doesn't exist
ERROR 1146 (42S02) at line 68: Table 'horde.horde_prefs' doesn't exist
ERROR 1146 (42S02) at line 69: Table 'horde.horde_prefs' doesn't exist
ERROR at line 75: DELIMITER must be followed by a 'delimiter' character or string
ERROR at line 76: DELIMITER must be followed by a 'delimiter' character or string
ERROR 1146 (42S02) at line 110: Table 'horde.kronolith_events' doesn't exist
ERROR 1146 (42S02) at line 111: Table 'horde.kronolith_events' doesn't exist
ERROR 1146 (42S02) at line 112: Table 'horde.kronolith_events' doesn't exist
ERROR at line 118: DELIMITER must be followed by a 'delimiter' character or string
ERROR at line 119: DELIMITER must be followed by a 'delimiter' character or string
ERROR 1146 (42S02) at line 153: Table 'horde.kronolith_storage' doesn't exist
ERROR 1146 (42S02) at line 154: Table 'horde.kronolith_storage' doesn't exist
ERROR 1146 (42S02) at line 155: Table 'horde.kronolith_storage' doesn't exist
ERROR at line 161: DELIMITER must be followed by a 'delimiter' character or string
ERROR at line 162: DELIMITER must be followed by a 'delimiter' character or string
ERROR 1146 (42S02) at line 196: Table 'horde.mnemo_memos' doesn't exist
ERROR 1146 (42S02) at line 197: Table 'horde.mnemo_memos' doesn't exist
ERROR 1146 (42S02) at line 198: Table 'horde.mnemo_memos' doesn't exist
ERROR at line 204: DELIMITER must be followed by a 'delimiter' character or string
ERROR at line 205: DELIMITER must be followed by a 'delimiter' character or string
ERROR 1146 (42S02) at line 239: Table 'horde.nag_tasks' doesn't exist
ERROR 1146 (42S02) at line 240: Table 'horde.nag_tasks' doesn't exist
ERROR 1146 (42S02) at line 241: Table 'horde.nag_tasks' doesn't exist
ERROR at line 247: DELIMITER must be followed by a 'delimiter' character or string
ERROR at line 248: DELIMITER must be followed by a 'delimiter' character or string
Done
What does this error mean and how to solve this problem?
I have updated cpanel and mysql but the problem is still found
This problem found while trying to restore any account not this one only..
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Nov 6, 2007
I'm having a bit of trouble here with MySQL, I don't know what to do. Centos 4.3, Mysql 4.1
Data is stored in /var/lib/mysql/
I'm looking to move that information to a second hard drive soon, and did a quick test of just copying it to another place on my existing drive. It won't start.
Quote:
[root@localhost ~]# service mysqld start
Timeout error occurred trying to start MySQL Daemon.
Starting MySQL: [FAILED]
Error logs
Code:
071106 12:14:33 mysqld started
071106 12:14:33 [Warning] Can't create test file /var/lib/mysqltf/localhost.lower-test
/usr/libexec/mysqld: Can't change dir to '/var/lib/mysqltf/' (Errcode: 13)
071106 12:14:33 [ERROR] Aborting
071106 12:14:33 [Note] /usr/libexec/mysqld: Shutdown complete
071106 12:14:33 mysqld ended
071106 12:17:00 mysqld started
071106 12:17:00 [Warning] Can't create test file /var/lib/mysqltf/localhost.lower-test
/usr/libexec/mysqld: Can't change dir to '/var/lib/mysqltf/' (Errcode: 13)
071106 12:17:00 [ERROR] Aborting
071106 12:17:00 [Note] /usr/libexec/mysqld: Shutdown complete
071106 12:17:00 mysqld ended
I have tried even chmod 777ing the msyqltf folder (my copy) to no avail.
my.cnf
Code:
[mysqld]
datadir=/var/lib/mysqltf/
socket=/var/lib/mysqltf/mysql.sock
# Default to using old password format for compatibility with mysql 3.x
# clients (those using the mysqlclient10 compatibility package).
old_passwords=1
[mysql.server]
user=mysql
basedir=/var/lib
[mysqld_safe]
err-log=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
I've tried moving it to different locations. I even tried moving the original folder and renaming it, and still get this problem.
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Apr 5, 2008
We have installed ruby on rails on our server.
root@Server [~]# gem list |grep mysql
mysql (2.7, 2.6)
But when we try to connect it still says "mysql required".
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Aug 16, 2008
Mysql Error -> #12 - Can't read dir of './database_name/' (Errcode: 13)
I am getting the above given error message.
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Nov 22, 2008
This is part 1 of a personal tragic-comic narrative starring myself, a simple, unassuming end-user of value-based web hosting services, and the supreme villain of this pathetic tale, the Iago to my Othello, would be a verminous, sub-human parasite collective disguised as a professional web-hosting company in the vicinity of Columbus, Ohio.
Speaking of Shakespeare, it seems to this humble WHT supplicant that the comedy of errors authored by the entities in question, a craven crew of possum-bellied, pigeon-brained menagerie of cubicle-dwelling subhuman troglodytes masquerading as ethical business-persons and capable hosting providers, is so egregious that if a scale of measurement is ever devised for web-hosting incompetence, it should be named after this company, in recognition of their utter incompetence and arbitrary imbecilic buffoonery disguised as reasonable technical support and customer service.
Apparently this company thinks it's more important to use their scale-encrusted rat-tails to cover up their own mistakes instead of giving reasonable responses to customer questions regarding apparent server issues.
Which brings me to my initial question:
MySQL's docs say that Error Code 28 results from lack of disk space or write permissions.
What are the common causes of this? Who has the power to control it from happening, the web host or the end user?( in this arrangement, the host is running an overloaded server and controls all of the configurations and aspects of the server while the user is using secure software with moderate usage of bandwidth and database queries).
I have additional questions in regards to a more general issue regarding failure to write/open to directories as well, but I'll wait for some responses first.
Excellent forum, by the way.
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Feb 9, 2007
I have create a remote mysql database in whm for another server on my network. Now my problem is that the remote mysql in fact works as the data is still being pulled from it with mysql disabled on the main server. I did however put in the root password during the remote mysql server setup. Now the only problem I seem to be having is the databases dont show up in any cpanel accounts and phpmyadmin doesnt work. but all sites using a database made before this change still work.
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Jul 4, 2007
I have this problem with MySQL
Quote:
Error while connecting to MySQL. Failover enacted.
MySQL is Running and Working, how i can fix this problem?
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