canal 实例从非GTID模式切换到GTID模式，会导至实例同步失败

环境信息

canal 1.1.6 mysql 5.7

问题描述

canal 实例从非GTID模式切换到GTID模式，会导至实例同步失败，无法继续进行同步操作

重现步骤

1. 在canal后台将canal.instance.gtidon=true
2. 查看实例日志

期待实现

实例可以正常运行

实际执行情况

实例失败，重启也失败，必须要删除h2.mv.db及meta.dat文件才能正常运行。

会出现两种异常

ERROR c.a.o.canal.parse.inbound.mysql.dbsync.DirectLogFetcher - I/O error while reading from client socket java.io.IOException: EOF encountered. at com.alibaba.otter.canal.parse.driver.mysql.socket.BioSocketChannel.read(BioSocketChannel.java:113) ~[canal.parse.driver-1.1.6.jar:na] at com.alibaba.otter.canal.parse.inbound.mysql.dbsync.DirectLogFetcher.fetch0(DirectLogFetcher.java:170) ~[canal.parse-1.1.6.jar:na] at com.alibaba.otter.canal.parse.inbound.mysql.dbsync.DirectLogFetcher.fetch(DirectLogFetcher.java:77) ~[canal.parse-1.1.6.jar:na] at com.alibaba.otter.canal.parse.inbound.mysql.MysqlConnection.dump(MysqlConnection.java:262) [canal.parse-1.1.6.jar:na] at com.alibaba.otter.canal.parse.inbound.AbstractEventParser$1.run(AbstractEventParser.java:255) [canal.parse-1.1.6.jar:na] at java.lang.Thread.run(Thread.java:748) [na:1.8.0_191]

或 Caused by: com.alibaba.fastjson2.JSONException: read field error : clientDatas at com.alibaba.fastjson2.reader.FieldReaderObjectMethod.readFieldValue(FieldReaderObjectMethod.java:92) ~[fastjson2-2.0.4.jar:na] at com.alibaba.fastjson2.reader.ObjectReader2.readObject(ObjectReader2.java:241) ~[fastjson2-2.0.4.jar:na] at com.alibaba.fastjson2.JSON.parseObject(JSON.java:258) ~[fastjson2-2.0.4.jar:na] at com.alibaba.otter.canal.common.utils.JsonUtils.unmarshalFromString(JsonUtils.java:51) ~[canal.common-1.1.6.jar:na] at com.alibaba.otter.canal.meta.FileMixedMetaManager.loadDataFromFile(FileMixedMetaManager.java:175) ~[canal.meta-1.1.6.jar:na] at com.alibaba.otter.canal.meta.FileMixedMetaManager.loadClientIdentity(FileMixedMetaManager.java:225) ~[canal.meta-1.1.6.jar:na] at com.google.common.collect.MigrateMap$1.load(MigrateMap.java:23) ~[canal.common-1.1.6.jar:na] at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3708) ~[guava-22.0.jar:na] at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2416) ~[guava-22.0.jar:na] at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2299) ~[guava-22.0.jar:na] at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2212) ~[guava-22.0.jar:na]

原提问者GitHub用户qq664042