com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 302,711 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.

atlassian.com | 5 months ago
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    atlassian.com | 5 months ago
    com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 302,711 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
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    ejbca | 4 years ago | vuhoanganh
    org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 1,350,253,183,530 milliseconds ago.  The last packet sent successfully to the server was 0 milliseconds ago.)
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    cartusglobalnetwork.com | 12 months ago
    com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 885,926 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
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    Stack Overflow | 5 years ago | helion3
    com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 74,977 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
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    GitHub | 3 years ago | ccj67
    com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet successfully received from the server was 17,304 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.

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    Root Cause Analysis

    1. com.mysql.jdbc.exceptions.jdbc4.CommunicationsException

      Communications link failure The last packet successfully received from the server was 302,711 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.

      at sun.reflect.GeneratedConstructorAccessor643.newInstance()
    2. Java RT
      GeneratedConstructorAccessor643.newInstance
      1. sun.reflect.GeneratedConstructorAccessor643.newInstance(Unknown Source)
      1 frame