问答详情
源自:8-3 DBHelper类设计

我的数据库连接不了,报错如下求大神指点

com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception: 


** BEGIN NESTED EXCEPTION ** 


com.mysql.jdbc.CommunicationsException

MESSAGE: Communications link failure due to underlying exception: 


** BEGIN NESTED EXCEPTION ** 


java.io.EOFException


STACKTRACE:


java.io.EOFException

at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1963)

at com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:557)

at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1027)

at com.mysql.jdbc.Connection.createNewIO(Connection.java:2743)

at com.mysql.jdbc.Connection.<init>(Connection.java:1553)

at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266)

at java.sql.DriverManager.getConnection(Unknown Source)

at java.sql.DriverManager.getConnection(Unknown Source)

at util.DBHelp.getConnection(DBHelp.java:25)

at util.DBHelp.main(DBHelp.java:32)



** END NESTED EXCEPTION **


提问者:终有弱水替沧海4032800 2016-11-08 19:32
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个回答

  • 干巴爹forever
    2017-11-22 16:37:03

    你的数据库密码一致吗


  • 慕田峪7021683
    2016-11-21 19:45:19

    我觉得是URL地址有问题,你把shopping问号后面的全去掉试下

  • 黑山头山大王
    2016-11-08 22:50:56

    DBHelp类25行,32行代码贴一下