com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 1,287,829,112,442 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.

mysql.com | 4 months ago
  1. 0

    Sql connection error

    GitHub | 3 years ago | soulgriever
    com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
  2. 0

    MySQL PermissionsEx Connect

    GitHub | 3 years ago | MineMan910
    java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
  3. 0

    Sql Backend Not Working

    GitHub | 3 years ago | Kebe2012
    java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
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  5. 0

    Re-Installed LB, nothing changed. Can't use LB

    GitHub | 4 years ago | mrbear235
    com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
  6. 0

    Help! Multiverse error!

    GitHub | 5 years ago | thesheepard
    com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.

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Root Cause Analysis

  1. java.net.ConnectException

    Connection refused

    at java.net.PlainSocketImpl.socketConnect()
  2. Java RT
    Socket.<init>
    1. java.net.PlainSocketImpl.socketConnect(Native Method)
    2. java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:310)
    3. java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:176)
    4. java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:163)
    5. java.net.SocksSocketImpl.connect(SocksSocketImpl.java:384)
    6. java.net.Socket.connect(Socket.java:542)
    7. java.net.Socket.connect(Socket.java:492)
    8. java.net.Socket.<init>(Socket.java:389)
    9. java.net.Socket.<init>(Socket.java:232)
    9 frames
  3. MySQL jdbc
    JDBC4Connection.<init>
    1. com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:254)
    2. com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:291)
    3. com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2140)
    4. com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:773)
    5. com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
    5 frames
  4. Java RT
    Constructor.newInstance
    1. sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    2. sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
    3. sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    4. java.lang.reflect.Constructor.newInstance(Constructor.java:532)
    4 frames
  5. MySQL jdbc
    NonRegisteringDriver.connect
    1. com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
    2. com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:352)
    3. com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:282)
    3 frames
  6. Java RT
    DriverManager.getConnection
    1. java.sql.DriverManager.getConnection(DriverManager.java:620)
    2. java.sql.DriverManager.getConnection(DriverManager.java:222)
    2 frames
  7. Unknown
    DBConnect.main
    1. DBConnect.main(DBConnect.java:5)
    1 frame