i use mysqlfailover but when master down,the slave not change to master,mysqlfailover report

ERROR: The server slave xxx.xxx.xxx.x:3306 does not comply to the latest GTID feature support. Errors: Missing gtid_executed system variable.


mysql> show master status\G
*************************** 1. row ***************************
File: mysql-bin.000032
Position: 194
Binlog_Do_DB:
Binlog_Ignore_DB:
Executed_Gtid_Set: c3d59355-81d1-11e5-87ec-00163e006461:1-9
1 row in set (0.00 sec)

mysql> show slave status\G
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: xx.xx.xx.78
Master_User: root
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000032
Read_Master_Log_Pos: 194
Relay_Log_File: iZ25sone4raZ-relay-bin.000047
Relay_Log_Pos: 367
Relay_Master_Log_File: mysql-bin.000032
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB:
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 194
Relay_Log_Space: 794
Until_Condition: None
Until_Log_File:
Until_Log_Pos: 0
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: 0
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno: 0
Last_IO_Error:
Last_SQL_Errno: 0
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id: 1
Master_UUID: c3d59355-81d1-11e5-87ec-00163e006461
Master_Info_File: mysql.slave_master_info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp:
Last_SQL_Error_Timestamp:
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set:
Executed_Gtid_Set: 19718ded-7eca-11e5-bece-00163e001216:1-9,
c3d59355-81d1-11e5-87ec-00163e006461:1-9
Auto_Position: 1
Replicate_Rewrite_DB:
Channel_Name:
1 row in set (0.00 sec)



MySQL Replication Failover Utility
Failover Mode = auto Next Interval = Fri Nov 6 14:11:12 2015

Master Information
------------------
Binary Log File Position Binlog_Do_DB Binlog_Ignore_DB
mysql-bin.000032 194

GTID Executed Set
c3d59355-81d1-11e5-87ec-00163e006461:1-9

Replication Health Status
-+---------------+-----------+----------------+------------+---------------+
| host | port | role | state | gtid_mode | health | version | master_log_file | master_log_pos | IO_Thread | SQL_Thread | Secs_Behind | Remaining_Delay | IO_Error_Num | IO_Error | SQL_Error_Num | SQL_Error | Trans_Behind |
+-----------------+-------+---------+--------+------------+---------+------------+-------------------+-----------------+------------+-------------+--------------+------------------+---------------+-----------+----------------+------------+---------------+
| xx.xx.xx.78 | 3306 | MASTER | UP | ON | OK | 5.7.9-log | mysql-bin.000032 | 194 | | | | | | | | | |
| xx.xx.xx.4 | 3306 | SLAVE | UP | ON | OK | 5.7.9-log | mysql-bin.000032 | 194 | Yes | Yes | 0 | No | 0 | | 0 | | 0 |
+-----------------+-------+---------+--------+------------+---------+------------+-------------------+-----------------+------------+-------------+--------------+-----------------

when i shutdown master

2015-11-06 14:12:12 PM CRITICAL The server xx.xx.xx.4:3306 does not comply to the latest GTID feature support. Errors:
Missing gtid_executed system variable.
ERROR: The server xx.xx.xx.4:3306 does not comply to the latest GTID feature support. Errors:
Missing gtid_executed system variable.