MySQL ERROR 1040

Revision as of 22:44, 26 September 2019 by Teodor Vizirov (talk | contribs) (MySQL error 1040: Too many connections)

MySQL error 1040: Too many connections

   KB 23877        Last updated on 2019-09-26  




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Problem

This specific error can manifest during different circumstances. Below are two examples of such occurrences:


$ /opt/zimbra/libexec/zmdbintegrityreport -r -v 
/opt/zimbra/common/bin/mysqlcheck: Got error: 1040: Too many connections when trying to connect 
$ /opt/zimbra/bin/zmmysqlstatus 
ERROR 1040 (HY000): Too many connections 
Error while running 'mysql --user=zimbra --password=******** --database=zimbra --batch --skip-column-names'. at /opt/zimbra/bin/zmmysqlstatus line 256.

Resolution

1. Enter mysql command line: $ mysql

2. Once inside confirm the current setting:

show variables like "max_connections";

3. Change the current setting with higher value:

set global max_connections = 200;

4. Restart:

$ mysql.server stop 
$ mysql.server start 

However after server restart these settings will be gone.

To make the change permanent:

1. Edit my.cnf file and under [mysqld] section change the max_connections value.

2. Restart:

$ mysql.server stop 
$ mysql.server start 



Verified Against: Zimbra Collaboration 8.7, 8.8.9, 8.8.12 Date Created: 7/10/2019
Article ID: https://wiki.zimbra.com/index.php?title=MySQL_ERROR_1040 Date Modified: 2019-09-26



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Wiki/KB reviewed by SME1 SME2 COPY EDITOR Last edit by Teodor Vizirov
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