All, I was setting up SSL on zabbix server and after that started working, data is not being populated.
zabbix_server.log
mysqld logs
mysql conf
Any help is appreciated. Thanks
zabbix_server.log
2635:20160315:104643.617 [Z3005] query failed: [2006] MySQL server has gone away [begin;]
2457:20160315:105228.080 [Z3005] query failed: [2006] MySQL server has gone away [select hostid,key_,state,evaltype,formula,error,lifetime from items where itemid=28348]
2274:20160315:105235.304 [Z3005] query failed: [2006] MySQL server has gone away [select hostid,key_,state,evaltype,formula,error,lifetime from items where itemid=24755]
2435:20160315:105236.303 [Z3005] query failed: [2006] MySQL server has gone away [select hostid,key_,state,evaltype,formula,error,lifetime from items where itemid=24756]
2400:20160315:105308.003 [Z3005] query failed: [2006] MySQL server has gone away [select hostid,key_,state,evaltype,formula,error,lifetime from items where itemid=28388]
2457:20160315:105228.080 [Z3005] query failed: [2006] MySQL server has gone away [select hostid,key_,state,evaltype,formula,error,lifetime from items where itemid=28348]
2274:20160315:105235.304 [Z3005] query failed: [2006] MySQL server has gone away [select hostid,key_,state,evaltype,formula,error,lifetime from items where itemid=24755]
2435:20160315:105236.303 [Z3005] query failed: [2006] MySQL server has gone away [select hostid,key_,state,evaltype,formula,error,lifetime from items where itemid=24756]
2400:20160315:105308.003 [Z3005] query failed: [2006] MySQL server has gone away [select hostid,key_,state,evaltype,formula,error,lifetime from items where itemid=28388]
160315 10:46:35 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended
160315 10:46:35 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
160315 10:46:35 InnoDB: Initializing buffer pool, size = 8.0M
160315 10:46:35 InnoDB: Completed initialization of buffer pool
160315 10:46:35 InnoDB: Started; log sequence number 26 2130662082
160315 10:46:35 [Note] Event Scheduler: Loaded 0 events
160315 10:46:35 [Note] /usr/libexec/mysqld: ready for connections.
Version: '5.1.73' socket: '/var/lib/mysql/mysql.sock' port: 3306 Source distribution
160315 10:46:35 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
160315 10:46:35 InnoDB: Initializing buffer pool, size = 8.0M
160315 10:46:35 InnoDB: Completed initialization of buffer pool
160315 10:46:35 InnoDB: Started; log sequence number 26 2130662082
160315 10:46:35 [Note] Event Scheduler: Loaded 0 events
160315 10:46:35 [Note] /usr/libexec/mysqld: ready for connections.
Version: '5.1.73' socket: '/var/lib/mysql/mysql.sock' port: 3306 Source distribution
mysql conf
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
user=mysql
max_connections=1000
max_allowed_packet=512M
wait_timeout=50000
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
user=mysql
max_connections=1000
max_allowed_packet=512M
wait_timeout=50000
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
[mysqld_safe]
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
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