Aliyun RDS local binlog dump bug

[bucketli]

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• I have checked the FAQ of this repository and believe that this is not a duplicate.

environment

• canal version
  1.1.4

• mysql version
  all

Issue Description

when finish binlog dump mode ,back to normal, dumpErrorCount never be clean , then go into binlog dump mode again, but position is not belong binlog file in OSS , endless retrying ...

Steps to reproduce

set history binlog position in meta.log(or other style). start canal. wait for local binlog mode exist.

step in the code .

Expected behaviour

when local binlog mode end and go back to normal

Actual behaviour

endless retrying in local binlog mode

If there is an exception, please attach the exception trace:

none