Spring MVC + mybatis + mysql (C3P0) 本地运行正常，上传到云服务器（linux）后，访问出现此错误：
请问哪些大侠了解类似错误，求解
POST http://www.xxxxxx.com/query.do 500
(### Error querying database. Cause: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException:
Communications link failure The last packet successfully received from the server was 145,986 milliseconds ago.
The last packet sent successfully to the server was 13 milliseconds ago.
### The error may exist in file [/data1/jetty_work/237/fastsearch/jetty-0.0.0.0-12149-fastsearch.war-_1_fastsearch-any-/webapp/WEB-INF/classes/com/mapper/ProHisInfo_mapper.xml]
### The error may involve defaultParameterMap
### The error occurred while setting parameters
### SQL:
SELECT * FROM auction_his_info
WHERE state = 1
AND proname LIKE CONCAT('%',?,'%')
AND start_time >= ?
AND end_time <= ?
ORDER BY end_time ASC)
