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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    talendforge.org | 3 months ago
    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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    NetBeans Forums - com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

    netbeans.org | 2 years ago
    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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    nabble.com | 9 months ago
    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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    com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

    GitHub | 2 years ago | pashtika
    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. 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.NativeConstructorAccessorImpl.newInstance0()
  2. 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
  3. MySQL jdbc
    JDBC4Connection.<init>
    1. com.mysql.jdbc.Util.handleNewInstance(Util.java:409)
    2. com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1127)
    3. com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:356)
    4. com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2502)
    5. com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2539)
    6. com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2321)
    7. com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:832)
    8. com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
    8 frames
  4. 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
  5. MySQL jdbc
    NonRegisteringDriver.connect
    1. com.mysql.jdbc.Util.handleNewInstance(Util.java:409)
    2. com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:417)
    3. com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344)
    3 frames
  6. org.talend.core
    JDBCDriverLoader.getConnection
    1. org.talend.core.model.metadata.builder.database.DriverShim.connect(DriverShim.java:41)
    2. org.talend.core.model.metadata.builder.database.JDBCDriverLoader.getConnection(JDBCDriverLoader.java:186)
    2 frames