BUG，在Mysql 5.5.28版本下报错

日志：

2017-01-12 12:06:16.107 [destination = example , address = /127.0.0.1:3306 , EventParser] ERROR c.a.otter.canal.parse.inbound.mysql.MysqlEventParser - dump address /127.0.0.1:3306 has an error, retrying. caused by java.lang.NullPointerException: null at com.alibaba.otter.canal.parse.inbound.mysql.MysqlConnection.loadBinlogChecksum(MysqlConnection.java:309) ~[canal.parse-1.0.24-SNAPSHOT.jar:na] at com.alibaba.otter.canal.parse.inbound.mysql.MysqlConnection.dump(MysqlConnection.java:120) ~[canal.parse-1.0.24-SNAPSHOT.jar:na] at com.alibaba.otter.canal.parse.inbound.AbstractEventParser$3.run(AbstractEventParser.java:209) ~[canal.parse-1.0.24-SNAPSHOT.jar:na] at java.lang.Thread.run(Unknown Source) [na:1.7.0_80]

原因：程序BUG，缺少null判断 if (columnValues != null && columnValues.size() >= 1 && columnValues.get(0).toUpperCase().equals("CRC32"))

改为： if (columnValues != null && columnValues.size() >= 1 && columnValues.get(0) != null //缺少的判断 && columnValues.get(0).toUpperCase().equals("CRC32"))

症状消除！

原提问者GitHub用户xut2447