无法读取来自服务器的响应。预期读取4,739,923字节，在连接意外丢失之前读取17个字节

时间：2019-01-02 08:00:22

标签： java mysql web

当我使用Eclipse在云服务器中连接Mysql时出现以下错误消息 到目前为止，这个问题尚未解决。 我不知道为什么会这样。使用Navicat，可以连接MySQL。

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“用户名”是当前库名还是“ root”名？ “ PASSWORD”是当前的库密码​​还是“ root”密码？

  

    ** BEGIN NESTED EXCEPTION ** 

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

    ** BEGIN NESTED EXCEPTION ** 

    java.io.EOFException
    MESSAGE: Can not read response from server. Expected to read 4,739,923 bytes, read 17 bytes before connection was unexpectedly lost.

    STACKTRACE:

    java.io.EOFException: Can not read response from server. Expected to read 4,739,923 bytes, read 17 bytes before connection was unexpectedly lost.
        at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1997)
        at com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:611)
        at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1044)
        at com.mysql.jdbc.Connection.createNewIO(Connection.java:2775)
        at com.mysql.jdbc.Connection.(Connection.java:1555)
        at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:285)
        at java.sql.DriverManager.getConnection(DriverManager.java:664)
        at java.sql.DriverManager.getConnection(DriverManager.java:247)
        at com.minlu.basedao.BaseDao.(BaseDao.java:33)
        at com.minlu.basedao.MainCalss.main(MainCalss.java:5)


    ** END NESTED EXCEPTION **



    Last packet sent to the server was 0 ms ago.

    STACKTRACE:

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

    ** BEGIN NESTED EXCEPTION ** 

    java.io.EOFException
    MESSAGE: Can not read response from server. Expected to read 4,739,923 bytes, read 17 bytes before connection was unexpectedly lost.

    STACKTRACE:

    java.io.EOFException: Can not read response from server. Expected to read 4,739,923 bytes, read 17 bytes before connection was unexpectedly lost.
        at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1997)
        at com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:611)
        at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1044)
        at com.mysql.jdbc.Connection.createNewIO(Connection.java:2775)
        at com.mysql.jdbc.Connection.(Connection.java:1555)
        at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:285)
        at java.sql.DriverManager.getConnection(DriverManager.java:664)
        at java.sql.DriverManager.getConnection(DriverManager.java:247)
        at com.minlu.basedao.BaseDao.(BaseDao.java:33)
        at com.minlu.basedao.MainCalss.main(MainCalss.java:5)


    ** END NESTED EXCEPTION **



    Last packet sent to the server was 0 ms ago.
        at com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:641)
        at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1044)
        at com.mysql.jdbc.Connection.createNewIO(Connection.java:2775)
        at com.mysql.jdbc.Connection.(Connection.java:1555)
        at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:285)
        at java.sql.DriverManager.getConnection(DriverManager.java:664)
        at java.sql.DriverManager.getConnection(DriverManager.java:247)
        at com.minlu.basedao.BaseDao.(BaseDao.java:33)
        at com.minlu.basedao.MainCalss.main(MainCalss.java:5)


    ** END NESTED EXCEPTION **

0 个答案:

没有答案
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