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.

databricks.com | 5 months ago
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    error when reading from MySQL - "Communications link failure" - Databricks Community Forum

    databricks.com | 5 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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    Netbeans - J2EE - com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

    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.
  6. 0

    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(NativeConstructorAccessorImpl.java:62)
    3. sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    4. java.lang.reflect.Constructor.newInstance(Constructor.java:422)
    4 frames
  3. MySQL jdbc
    JDBC4Connection.<init>
    1. com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
    2. com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1121)
    3. com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:358)
    4. com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2489)
    5. com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2526)
    6. com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2311)
    7. com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834)
    8. com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
    8 frames
  4. Java RT
    Constructor.newInstance
    1. sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    2. sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    3. sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    4. java.lang.reflect.Constructor.newInstance(Constructor.java:422)
    4 frames
  5. MySQL jdbc
    NonRegisteringDriver.connect
    1. com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
    2. com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:416)
    3. com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:347)
    3 frames