Ping Connection Pool failed for jdbc/studygroup-pool. The connection could not be allocated: 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. Please check the server.log for more details.

<jdbc-connection-pool driver-classname="com.mysql.jdbc.Driver" name="jdbc/studygroup-pool" res-type="java.sql.Driver">
      <property name="password" value="MysqlPassword"></property>
      <property name="user" value="MysqlAdmin"></property>
      <property name="URL" value="jdbc:mysql://127.13.73.130:3306/servicesstudygroup"></property>
    </jdbc-connection-pool>