java.sql.SQLException: 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.

  1. 0

    Exception when trying to connect to remove MySQL from Intellij IDEA

    Database Administrators | 1 year ago | Vitaly Zdanevich
    java.sql.SQLException: 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

    Error related to Local Database

    GitHub | 6 months ago | MrMurfy
    me.confuser.banmanager.internal.hikari.pool.HikariPool$PoolInitializationException: Failed to initialize pool: Could not create connection to database server. Attempted reconnect 10 times. Giving up.
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  4. 0
    You should access rundeck using that 'grails.serverURL' from the config file 'rundeck-config.properties'.
    via GitHub by gschueler
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Root Cause Analysis

  1. java.net.ConnectException

    Connection timed out

    at java.net.PlainSocketImpl.socketConnect()
  2. Java RT
    Socket.connect
    1. java.net.PlainSocketImpl.socketConnect(Native Method)
    2. java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
    3. java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
    4. java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
    5. java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
    6. java.net.Socket.connect(Socket.java:579)
    6 frames
  3. MySQL jdbc
    JDBC4Connection.<init>
    1. com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:213)
    2. com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:297)
    3. com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2237)
    4. com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2270)
    5. com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2069)
    6. com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:794)
    7. com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:44)
    7 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:526)
    4 frames
  5. MySQL jdbc
    NonRegisteringDriver.connect
    1. com.mysql.jdbc.Util.handleNewInstance(Util.java:389)
    2. com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:399)
    3. com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:325)
    3 frames
  6. com.intellij.database
    RemoteDriverImpl.connect
    1. com.intellij.database.remote.jdbc.impl.RemoteDriverImpl.connect(RemoteDriverImpl.java:27)
    1 frame
  7. Java RT
    Thread.run
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4. java.lang.reflect.Method.invoke(Method.java:606)
    5. sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
    6. sun.rmi.transport.Transport$2.run(Transport.java:202)
    7. sun.rmi.transport.Transport$2.run(Transport.java:199)
    8. java.security.AccessController.doPrivileged(Native Method)
    9. sun.rmi.transport.Transport.serviceCall(Transport.java:198)
    10. sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:567)
    11. sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:828)
    12. sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.access$400(TCPTransport.java:619)
    13. sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:684)
    14. sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$1.run(TCPTransport.java:681)
    15. java.security.AccessController.doPrivileged(Native Method)
    16. sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:681)
    17. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    18. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    19. java.lang.Thread.run(Thread.java:745)
    19 frames