com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.

Stack Overflow | hassanyf | 3 months ago
  1. 0

    Java JDBC - Communications link failure

    Stack Overflow | 3 months ago | hassanyf
    com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
  2. 0

    MySQL Bugs: #35353: getConnection: Communications link failure

    mysql.com | 4 months ago
    com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
  3. 0

    BungeePermsBukkit trying to use database when it doesn't exist?

    GitHub | 3 years ago | pythros
    com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
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  5. 0

    Not Working

    GitHub | 3 years ago | JvS15NL
    com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up.
  6. 0

    Way too many open SQL connections

    GitHub | 3 years ago | HammerHedd
    com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Data source rejected establishment of connection, message from server: "Too many connections" 2013-09-12 13:06:03 [SEVERE] at sun.reflect.GeneratedConstructorAccessor107.newInstance(Unknown Source) 2013-09-12 13:06:03 [SEVERE] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) 2013-09-12 13:06:03 [SEVERE] at java.lang.reflect.Constructor.newInstance(Unknown Source) 2013-09-12 13:06:03 [SEVERE] at com.mysql.jdbc.Util.handleNewInstance(Util.java:407) 2013-09-12 13:06:03 [SEVERE] at com.mysql.jdbc.Util.getInstance(Util.java:382) 2013-09-12 13:06:03 [SEVERE] at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1013) 2013-09-12 13:06:03 [SEVERE] at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987) 2013-09-12 13:06:03 [SEVERE] at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:982)

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Root Cause Analysis

  1. java.io.EOFException

    Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.

    at com.mysql.jdbc.MysqlIO.readFully()
  2. MySQL jdbc
    JDBC4Connection.<init>
    1. com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3004)
    2. com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:567)
    3. com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1018)
    4. com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2253)
    5. com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2104)
    6. com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2088)
    7. com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:806)
    8. com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
    8 frames
  3. Java RT
    Constructor.newInstance
    1. sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    2. sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    3. sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
    4. java.lang.reflect.Constructor.newInstance(Unknown Source)
    4 frames
  4. MySQL jdbc
    NonRegisteringDriver.connect
    1. com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
    2. com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:410)
    3. com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:328)
    3 frames
  5. Java RT
    DriverManager.getConnection
    1. java.sql.DriverManager.getConnection(Unknown Source)
    2. java.sql.DriverManager.getConnection(Unknown Source)
    2 frames
  6. application
    MainController.initialize
    1. application.DbConn.connect(DbConn.java:46)
    2. application.MainController.fetchdata(MainController.java:244)
    3. application.MainController.initialize(MainController.java:223)
    3 frames
  7. Java RT
    MethodUtil.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    4. java.lang.reflect.Method.invoke(Unknown Source)
    5. sun.reflect.misc.Trampoline.invoke(Unknown Source)
    6. sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
    7. sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    8. java.lang.reflect.Method.invoke(Unknown Source)
    9. sun.reflect.misc.MethodUtil.invoke(Unknown Source)
    9 frames
  8. javafx.fxml
    FXMLLoader.load
    1. javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
    2. javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
    3. javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
    4. javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
    5. javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
    6. javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
    7. javafx.fxml.FXMLLoader.loadImpl(Unknown Source)
    8. javafx.fxml.FXMLLoader.load(Unknown Source)
    8 frames
  9. application
    Main.start
    1. application.Main.start(Main.java:16)
    1 frame
  10. com.sun.javafx
    PlatformImpl.lambda$null$173
    1. com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$162(Unknown Source)
    2. com.sun.javafx.application.PlatformImpl.lambda$runAndWait$175(Unknown Source)
    3. com.sun.javafx.application.PlatformImpl.lambda$null$173(Unknown Source)
    3 frames
  11. Java RT
    AccessController.doPrivileged
    1. java.security.AccessController.doPrivileged(Native Method)
    1 frame
  12. com.sun.javafx
    PlatformImpl.lambda$runLater$174
    1. com.sun.javafx.application.PlatformImpl.lambda$runLater$174(Unknown Source)
    1 frame
  13. com.sun.glass
    WinApplication.lambda$null$148
    1. com.sun.glass.ui.InvokeLaterDispatcher$Future.run(Unknown Source)
    2. com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
    3. com.sun.glass.ui.win.WinApplication.lambda$null$148(Unknown Source)
    3 frames
  14. Java RT
    Thread.run
    1. java.lang.Thread.run(Unknown Source)
    1 frame