IcebergXTY

[Bug] [connector-jdbc] The field which type is `int` and null value will always get 0 instead of null

2

### Search before asking - [X] I had searched in the [issues](https://github.com/apache/incubator-seatunnel/issues?q=is%3Aissue+label%3A%22bug%22) and found no similar issues. ### What happened we transfer data from mysql to postgresql, below is the...

[Question] <shenyu can't recognize random port>

5

### Question when we use microservice architecture, the port is unimportant, so we always use 0（server.port）or -1（dubbo.protocol.port）to use a random port. But shenyu will just use 0 and -1 when...

Can Sampler#shouldSample method add a param `InstrumentationScopeInfo`?

2

**Is your feature request related to a problem? Please describe.** We need the `scope_name` to judge if it needs sampler but this parameter does not exist yet. **Describe the solution...