tomcat连接mysql数据库报错

有狼出没

1. Last packet sent to the server was 0 ms ago.
   
2.         at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1070)
   
3.         at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2120)
   
4.         at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:723)
   
5.         at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:298)
   
6.         at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:282)
   
7.         at java.sql.DriverManager.getConnection(DriverManager.java:525)
   
8.         at java.sql.DriverManager.getConnection(DriverManager.java:140)
   
9.         at org.logicalcobwebs.proxool.DefaultConnectionBuilder.buildConnection(DefaultConnectionBuilder.java:39)
   
10.         at org.logicalcobwebs.proxool.Prototyper.buildConnection(Prototyper.java:159)
    
11.         at org.logicalcobwebs.proxool.Prototyper.sweep(Prototyper.java:102)
    
12.         at org.logicalcobwebs.proxool.PrototyperThread.run(PrototyperThread.java:44)
    
13. Caused by: com.mysql.jdbc.CommunicationsException: Communications link failure
    
14. 
    
15. Last packet sent to the server was 0 ms ago.
    
16.         at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1070)
    
17.         at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:335)
    
18.         at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2043)
    
19.         ... 9 more
    
20. Caused by: java.net.ConnectException: Connection refused
    
21.         at java.net.PlainSocketImpl.socketConnect(Native Method)
    
22.         at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
    
23.         at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
    
24.         at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
    
25.         at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
    
26.         at java.net.Socket.connect(Socket.java:520)
    
27.         at java.net.Socket.connect(Socket.java:470)
    
28.         at java.net.Socket.<init>(Socket.java:367)
    
29.         at java.net.Socket.<init>(Socket.java:209)
    
30.         at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:253)
    
31.         at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:284)
    
32.         ... 10 more

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大伙帮忙看看啥原因！

cqf820

mysql的那些配置写如都写在jsp中， 能连上？

zhoumiao

检查数据库服务器的地址端口是否正确，能不能ping通数据库服务器啊？

tomcater

被拒绝了

静止的流水

http://blog.chinaunix.net/u2/80678/showart_2041371.html
希望对你有用

hsqsoft

你是怎么配置连接的啊?