canal-json output data end by \r\n

[3AceShowHand]

What did you do?

create one changefeed, canal-json protocol, run some workload

What did you expect to see?

there is no \r\n at the tail of each dml message

What did you see instead?

there is \r\n (blank/empty line) on each dml message

Versions of the cluster

Upstream TiDB cluster version (execute SELECT tidb_version(); in a MySQL client):

(paste TiDB cluster version here)

Upstream TiKV version (execute tikv-server --version):

(paste TiKV version here)

TiCDC version (execute cdc version):

v6.5.10

[3AceShowHand]

This is introduced by #7563

[3AceShowHand]

It looks we have to cherry-pick https://github.com/pingcap/tiflow/pull/8542/files to release-6.5

[seiya-annie]

/report community

[3AceShowHand]

closed by #11708