mysql 错误集锦

Got fatal error 1236 from master when reading data from binary log: 'could not find next log; the first event '' at 4, the last event read from './mysql-bin.000005' at 304695, the last byte read from './mysql-bin.000005' at 304695.'

root@012cabfabcf5:/# mysqlrpladmin --slaves=repluser:'repl.123'@192.168.9.113,repluser:'repl.123'@192.168.9.127 --candidates=repluser:'repl.123'@192.168.9.113,repluser:'repl.123'@192.168.9.127 --rpl-user=repluser:repl.123 failover
WARNING: Using a password on the command line interface can be insecure.
# Checking privileges.
# Checking privileges on candidates.
# Performing failover.
# Candidate slave 192.168.9.113:3306 will become the new master.
# Checking slaves status (before failover).
# ERROR: Problem detected with SQL thread for slave '192.168.9.113'@'3306' that can result in an unstable topology.
#  - SQL thread running: No
#  - SQL error: None
#  Tip: Check the slave server log to identify the problem and fix it. For more information, see: http://dev.mysql.com/doc/refman/5.6/en/replication-problems.html
ERROR: Problem detected with SQL thread for slave '192.168.9.113'@'3306' that can result in an unstable topology. Note: To ignore this issue use the utility with the --force option.

2018-01-18T06:42:34.157806406Z Logged from file tasks.py, line 147
2018-01-18T06:42:34.15785599Z Traceback (most recent call last):
2018-01-18T06:42:34.157887448Z   File "/usr/lib/python2.7/logging/__init__.py", line 883, in emit
2018-01-18T06:42:34.157918948Z     self.flush()
2018-01-18T06:42:34.15795049Z   File "/usr/lib/python2.7/logging/__init__.py", line 843, in flush
2018-01-18T06:42:34.157982031Z     self.stream.flush()
2018-01-18T06:42:34.158018031Z IOError: [Errno 32] Broken pipe
2018-01-18T06:42:34.15805849Z Logged from file tasks.py, line 194
2018-01-18T06:42:34.158085406Z Traceback (most recent call last):
2018-01-18T06:42:34.158118198Z   File "/usr/lib/python2.7/logging/__init__.py", line 883, in emit
2018-01-18T06:42:34.158163198Z     self.flush()
2018-01-18T06:42:34.15821274Z   File "/usr/lib/python2.7/logging/__init__.py", line 843, in flush
2018-01-18T06:42:34.15827124Z     self.stream.flush()
2018-01-18T06:42:34.158356823Z IOError: [Errno 32] Broken pipe