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mysql数据库无法连接（JDBC）java.net.ConnectException: Connection timed out

2014-04-11 16:46 751 查看

数据库无法连接（JDBC）
用户名密码正确，但是一直报错：Connection timed out

后来知道了原因：我用的是BAE提供的云mysql数据库，对访问的IP有限制 ，所以在本机上无法连接。
~~~~(>_<)~~~~

Communications link failure due to underlying exception:

** BEGIN NESTED EXCEPTION **

java.net.SocketException
MESSAGE: java.net.ConnectException: Connection timed out: connect

STACKTRACE:

java.net.SocketException: java.net.ConnectException: Connection timed out: connect
at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:156)
at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:276)
at com.mysql.jdbc.Connection.createNewIO(Connection.java:2641)
at com.mysql.jdbc.Connection.<init>(Connection.java:1531)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:185)
at com.fei.keyword.util.JDBCUtil.<init>(JDBCUtil.java:36)
at com.fei.keyword.util.JDBCUtil.main(JDBCUtil.java:15)

** END NESTED EXCEPTION **

Last packet sent to the server was 684 ms ago.
at com.mysql.jdbc.Connection.createNewIO(Connection.java:2707)
at com.mysql.jdbc.Connection.<init>(Connection.java:1531)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266)
at java.sql.DriverManager.getConnection(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:185)
at com.fei.keyword.util.JDBCUtil.<init>(JDBCUtil.java:36)
at com.fei.keyword.util.JDBCUtil.main(JDBCUtil.java:15)

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