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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Solutions on the web1355

  • via eclipse.org by Unknown author, 1 year ago
    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. Error Code: 0
  • 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. Error Code: 0
  • via Stack Overflow by Vimzy
    , 1 year ago
    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. Error Code: 0
  • Stack trace

    • 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. at sun.reflect.GeneratedConstructorAccessor13.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:409) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1127) at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:356) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2502) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2539) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2321) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:832) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46) at sun.reflect.GeneratedConstructorAccessor11.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:409) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:417) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344) at java.sql.DriverManager.getConnection(Unknown Source) at java.sql.DriverManager.getConnection(Unknown Source) at org.logicalcobwebs.proxool.DefaultConnectionBuilder.buildConnection(DefaultConnectionBuilder.java:39) at org.logicalcobwebs.proxool.Prototyper.buildConnection(Prototyper.java:159) at org.logicalcobwebs.proxool.Prototyper.sweep(Prototyper.java:102) at org.logicalcobwebs.proxool.PrototyperThread.run(PrototyperThread.java:44) Caused by: java.net.UnknownHostException: [host-name] at java.net.InetAddress.getAllByName(Unknown Source) at java.net.InetAddress.getAllByName(Unknown Source) at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:250) at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:306)

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