最新的release又出现这个问题了

在之前的issue中有相同的问题，最新的release又出现这个问题了，请看下~

mysql version：5.1.73

canal 启动报错：

`2018-11-29 15:26:46.401 [destination = example , address = /10.25.24.137:3306 , EventParser] WARN c.a.o.c.p.inbound.mysql.rds.RdsBinlogEventParserProxy - ---> begin to find start position, it will be long time for reset or first position 2018-11-29 15:26:46.401 [destination = example , address = /10.25.24.137:3306 , EventParser] WARN c.a.o.c.p.inbound.mysql.rds.RdsBinlogEventParserProxy - prepare to find start position just show master status 2018-11-29 15:26:46.660 [destination = example , address = /10.25.24.137:3306 , EventParser] WARN c.a.otter.canal.parse.inbound.mysql.MysqlConnection - update master_binlog_checksum failed java.io.IOException: ErrorPacket [errorNumber=1193, fieldCount=-1, message=Unknown system variable 'binlog_checksum', sqlState=HY000, sqlStateMarker=#] with command: set @master_binlog_checksum= @@global.binlog_checksum at com.alibaba.otter.canal.parse.driver.mysql.MysqlUpdateExecutor.update(MysqlUpdateExecutor.java:49) ~[canal.parse.driver-1.1.2.jar:na] at com.alibaba.otter.canal.parse.inbound.mysql.MysqlConnection.update(MysqlConnection.java:115) [canal.parse-1.1.2.jar:na] at com.alibaba.otter.canal.parse.inbound.mysql.MysqlConnection.updateSettings(MysqlConnection.java:410) [canal.parse-1.1.2.jar:na] at com.alibaba.otter.canal.parse.inbound.mysql.MysqlConnection.seek(MysqlConnection.java:122) [canal.parse-1.1.2.jar:na] at com.alibaba.otter.canal.parse.inbound.mysql.MysqlEventParser.findAsPerTimestampInSpecificLogFile(MysqlEventParser.java:743) [canal.parse-1.1.2.jar:na] at com.alibaba.otter.canal.parse.inbound.mysql.MysqlEventParser.findEndPositionWithMasterIdAndTimestamp(MysqlEventParser.java:392) [canal.parse-1.1.2.jar:na] at com.alibaba.otter.canal.parse.inbound.mysql.MysqlEventParser.findStartPositionInternal(MysqlEventParser.java:447) [canal.parse-1.1.2.jar:na] at com.alibaba.otter.canal.parse.inbound.mysql.MysqlEventParser.findStartPosition(MysqlEventParser.java:366) [canal.parse-1.1.2.jar:na] at com.alibaba.otter.canal.parse.inbound.AbstractEventParser$3.run(AbstractEventParser.java:186) [canal.parse-1.1.2.jar:na] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_91] 2018-11-29 15:26:46.751 [destination = example , address = /10.25.24.137:3306 , EventParser] ERROR c.a.o.c.p.inbound.mysql.rds.RdsBinlogEventParserProxy - dump address /10.25.24.137:3306 has an error, retrying. caused by

com.alibaba.otter.canal.parse.exception.CanalParseException: java.io.IOException: ErrorPacket [errorNumber=1193, fieldCount=-1, message=Unknown system variable 'binlog_checksum', sqlState=HY000, sqlStateMarker=#] with command: select @@global.binlog_checksum Caused by: java.io.IOException: ErrorPacket [errorNumber=1193, fieldCount=-1, message=Unknown system variable 'binlog_checksum', sqlState=HY000, sqlStateMarker=#] with command: select @@global.binlog_checksum at com.alibaba.otter.canal.parse.driver.mysql.MysqlQueryExecutor.query(MysqlQueryExecutor.java:61) ~[canal.parse.driver-1.1.2.jar:na] at com.alibaba.otter.canal.parse.inbound.mysql.MysqlConnection.query(MysqlConnection.java:105) ~[canal.parse-1.1.2.jar:na] at com.alibaba.otter.canal.parse.inbound.mysql.MysqlConnection.loadBinlogChecksum(MysqlConnection.java:508) ~[canal.parse-1.1.2.jar:na] at com.alibaba.otter.canal.parse.inbound.mysql.MysqlConnection.seek(MysqlConnection.java:123) ~[canal.parse-1.1.2.jar:na] at com.alibaba.otter.canal.parse.inbound.mysql.MysqlEventParser.findAsPerTimestampInSpecificLogFile(MysqlEventParser.java:743) ~[canal.parse-1.1.2.jar:na] at com.alibaba.otter.canal.parse.inbound.mysql.MysqlEventParser.findEndPositionWithMasterIdAndTimestamp(MysqlEventParser.java:392) ~[canal.parse-1.1.2.jar:na] at com.alibaba.otter.canal.parse.inbound.mysql.MysqlEventParser.findStartPositionInternal(MysqlEventParser.java:447) ~[canal.parse-1.1.2.jar:na] at com.alibaba.otter.canal.parse.inbound.mysql.MysqlEventParser.findStartPosition(MysqlEventParser.java:366) ~[canal.parse-1.1.2.jar:na] at com.alibaba.otter.canal.parse.inbound.AbstractEventParser$3.run(AbstractEventParser.java:186) ~[canal.parse-1.1.2.jar:na] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_91] 2018-11-29 15:26:46.754 [destination = example , address = /10.25.24.137:3306 , EventParser] ERROR com.alibaba.otter.canal.common.alarm.LogAlarmHandler - destination:example[com.alibaba.otter.canal.parse.exception.CanalP arseException: java.io.IOException: ErrorPacket [errorNumber=1193, fieldCount=-1, message=Unknown system variable 'binlog_checksum', sqlState=HY000, sqlStateMarker=#] with command: select @@global.binlog_checksum Caused by: java.io.IOException: ErrorPacket [errorNumber=1193, fieldCount=-1, message=Unknown system variable 'binlog_checksum', sqlState=HY000, sqlStateMarker=#] with command: select @@global.binlog_checksum at com.alibaba.otter.canal.parse.driver.mysql.MysqlQueryExecutor.query(MysqlQueryExecutor.java:61) at com.alibaba.otter.canal.parse.inbound.mysql.MysqlConnection.query(MysqlConnection.java:105) at com.alibaba.otter.canal.parse.inbound.mysql.MysqlConnection.loadBinlogChecksum(MysqlConnection.java:508) at com.alibaba.otter.canal.parse.inbound.mysql.MysqlConnection.seek(MysqlConnection.java:123) at com.alibaba.otter.canal.parse.inbound.mysql.MysqlEventParser.findAsPerTimestampInSpecificLogFile(MysqlEventParser.java:743) at com.alibaba.otter.canal.parse.inbound.mysql.MysqlEventParser.findEndPositionWithMasterIdAndTimestamp(MysqlEventParser.java:392) at com.alibaba.otter.canal.parse.inbound.mysql.MysqlEventParser.findStartPositionInternal(MysqlEventParser.java:447) at com.alibaba.otter.canal.parse.inbound.mysql.MysqlEventParser.findStartPosition(MysqlEventParser.java:366) at com.alibaba.otter.canal.parse.inbound.AbstractEventParser$3.run(AbstractEventParser.java:186) at java.lang.Thread.run(Thread.java:745) ]

原提问者GitHub用户roc-wong