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.

sqoop-user | Jarek Jarcec Cecho | 4 years ago
  1. 0

    Re: Installing sqoop on Amazon EMR

    sqoop-user | 4 years ago | Jarek Jarcec Cecho
    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.
  2. 0

    Re: Installing sqoop on Amazon EMR

    sqoop-user | 4 years ago | Ibrahim Yakti
    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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    Java: Unable to access the remote MySQL database using JDBC

    Stack Overflow | 2 years ago | JustCause
    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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    Translating PHPMyAdmin MySQL connection configuration to JDBC

    Stack Overflow | 5 years ago | BenoitParis
    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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    Stack Overflow | 1 year ago | Kharoud
    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 org.apache.sqoop.mapreduce.db.DBInputFormat.setConf()
    2. org.apache.sqoop
      DBInputFormat.setConf
      1. org.apache.sqoop.mapreduce.db.DBInputFormat.setConf(DBInputFormat.java:167)
      1 frame
    3. Hadoop
      ReflectionUtils.newInstance
      1. org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:62)
      2. org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:117)
      2 frames
    4. Hadoop
      Child$4.run
      1. org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:730)
      2. org.apache.hadoop.mapred.MapTask.run(MapTask.java:375)
      3. org.apache.hadoop.mapred.Child$4.run(Child.java:255)
      3 frames
    5. Java RT
      Subject.doAs
      1. java.security.AccessController.doPrivileged(Native Method)
      2. javax.security.auth.Subject.doAs(Subject.java:396)
      2 frames
    6. Hadoop
      UserGroupInformation.doAs
      1. org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1132)
      1 frame
    7. Hadoop
      Child.main
      1. org.apache.hadoop.mapred.Child.main(Child.java:249)
      1 frame