异常记录

1.Cannot create PoolableConnectionFactory (Could not create connection to database server. Attempted reconnect 3 times. Giving up.)

.....

.....

Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException:
 Could not create connection to database server. Attempted reconnect 3 times. Gi
ving up. 

 

 

2. 

 

jdbc:mysql://xxxxxxx:3306/订单表_0?autoReconnect=true&useUnicode=true&characterEncoding=UTF-8&connectTimeout=1000&socketTimeout=3000

 

 

3.  重连了3次

     重传了多次

 

4.

 

ParameterDefaultDescription

initialSize	0	The initial number of connections that are created when the pool is started.  Since: 1.2
maxTotal	8	The maximum number of active connections that can be allocated from this pool at the same time, or negative for no limit.
maxIdle	8	The maximum number of connections that can remain idle in the pool, without extra ones being released, or negative for no limit.
minIdle	0	The minimum number of connections that can remain idle in the pool, without extra ones being created, or zero to create none.
maxWaitMillis	indefinitely	The maximum number of milliseconds that the pool will wait (when there are no available connections) for a connection to be returned before throwing an exception, or -1 to wait indefinitely.