这是一个w解决方法：添加unsigned int reconnect;在文件：/usr/include/mysql/mysql.h的第344行中typedef struct st_mysql {

NET net; /* Communication parameters */

void *unused_0;

char *host,*user,*passwd,*unix_socket,*server_version,*host_info;

char *info,*db;

const struct ma_charset_info_st *charset; /* character set */

MYSQL_FIELD *fields;

MA_MEM_ROOT field_alloc;

unsigned long long affected_rows;

unsigned long long insert_id; /* id if insert on table with NEXTNR */

unsigned long long extra_info; /* Used by mysqlshow */

unsigned long thread_id; /* Id for connection in server */

unsigned long packet_length;

unsigned int port;

unsigned long client_flag;

unsigned long server_capabilities;

unsigned int protocol_version;

unsigned int field_count;

unsigned int server_status;

unsigned int server_language;

unsigned int warning_count; /* warning count, added in 4.1 protocol */

unsigned int reconnect;

struct st_mysql_options options;

enum mysql_status status;

my_bool free_me; /* If free in mysql_close */

my_bool unused_1;

char scramble_buff[20+ 1];

/* madded after 3.23.58 */

my_bool unused_2;

void *unused_3, *unused_4, *unused_5, *unused_6;

LIST *stmts;

const struct st_mariadb_methods *methods;

void *thd;

my_bool *unbuffered_fetch_owner;

char *info_buffer;

struct st_mariadb_extension *extension;

} MYSQL;