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via sqoop-user by Ibrahim Yakti, 1 year ago
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.
via sqoop-user by Jarek Jarcec Cecho, 1 year ago
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.
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(DBInputFormat.java:167)	at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:62)	at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:117)	at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:730)	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:375)	at org.apache.hadoop.mapred.Child$4.run(Child.java:255)	at java.security.AccessController.doPrivileged(Native Method)	at javax.security.auth.Subject.doAs(Subject.java:396)	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1132)	at org.apache.hadoop.mapred.Child.main(Child.java:249)