Zabbix错误提示MySQL server has gone away解决
Zabbix错误提示MySQL server has gone away解决相信细心的同学在使用Zabbix的过程中，会遇到 query failed: MySQL server has gone away 这个错误提示，虽然出现错误提示，但实际并不会影响Zabbix Server的正常使用。那么，这个问题能不能解决呢？本文将带你彻底解决此问题的出现。1错误现象22773:20160108:172513.801 query failed: MySQL server has gone away 22968:20160108:172517.815 query failed: MySQL server has gone away 2分析如果你之前没有遇到这个问题，第一想到的应该是去网上搜索，MySQL出现 MySQL server has gone away，根据网络搜索的结果，会得出以下解决办法：#vim /etc/my.cnfmax_allowed_packet=300Mwait_timeout=200000interactive_timeout = 200000然后重启MySQL，经过测试，该方法无果而终，问题依旧。3解决办法继续寻找解决办法，在Zabbix的JIRA里面看到此问题为Zabbix Server的BUG，已在2.5中解决，但对于2.5以下版本，该bug没有修复。解决办法如下
#vim src/libs/zbxdb/db.c
int zbx_db_connect(char *host, char *user, char *password, char *dbname,char *dbschema, char *dbsocket, int port){
int ret = ZBX_DB_OK, last_txn_error, last_txn_level;
#if defined(HAVE_IBM_DB2)
char *connect = NULL;
#elif defined(HAVE_MYSQL)
my_bool mysql_reconnect = 1;
#elif defined(HAVE_ORACLE)
char *connect = NULL;
sword err = OCI_SUCCESS;
#elif defined(HAVE_MYSQL)
conn = mysql_init(NULL);
if (NULL == mysql_real_connect(conn, host, user, password, dbname, port, dbsocket, CLIENT_MULTI_STATEMENTS))
{
zabbix_errlog(ERR_Z3001, dbname, mysql_errno(conn), mysql_error(conn));
ret = ZBX_DB_FAIL;
}
if (0 != mysql_options(conn, MYSQL_OPT_RECONNECT, &mysql_reconnect))
zabbix_log(LOG_LEVEL_WARNING, "Cannot set MySQL reconnect option.");
if (ZBX_DB_OK == ret && 0 != mysql_select_db(conn, dbname))
{
zabbix_errlog(ERR_Z3001, dbname, mysql_errno(conn), mysql_error(conn));
ret = ZBX_DB_FAIL;}注意红色字体的代码./configure --host=x86_64-redhat-linux-gnu --build=x86_64-redhat-linux-gnu --program-prefix= --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64 --libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/var/lib --mandir=/usr/share/man --infodir=/usr/share/info --enable-dependency-tracking --enable-server --enable-proxy --enable-java --enable-agent --enable-ipv6 --with-net-snmp --with-libcurl --with-openipmi --with-unixodbc --with-ldap --with-ssh2 --with-libcurl --with-libxml2 --sysconfdir=/etc/zabbix --datadir=/var/lib --enable-server --with-mysql
重新编译完成后，整个世界清静了，问题完美解决！原创：itnihao
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