You use the wrong version.

• Oceanbase 4.3.0.1 CE --------> this version is toooo old, what's more this version isn't LTS, doesn't suggest use this version on product enviroment, should use 4.3.5 or higher, in fact, some cdc bugs has been fixed in 4.3.5

• OBLogProxy 2.02 CE ------》 this version is too old, from 4.x, the oblogproxy has been rebuild, you had bettter use 4.2.3 or higher version, 2.x isn't a stable version.

• OCP 4.2.2-20240315150922 CE --- OCP isn't vital, but still suggest you use latest version, it had better use 4.3.5-bp1 or higher.

• obproxy, you should use the latest obproxy version, it had better be 4.3.3 or higher, if you check the release notes, you can find several CDC bugs have been fixed in this version.