Got exception when running the localhost cluster

Hi, I'm new to Flink. I got a problem when running the local cluster on my computer. Some key software information as follows: 1. Flink version: 1.13.0 for Scala 2.11; 2. OS: Fedora 34; 3. Java version: 16; 4. Scala version: 2.11.12. When I started up the local cluster by command line, everythin

[table-walkthrough exception] Unable to create a source for reading table...

Hi, I'm following the tutorial to run the "flink-playground/table-walkthrough" project on IDEA. However, I got *the exception as follows:* Exception in thread "main" org.apache.flink.table.api.ValidationException: Unable to create a source for reading table 'default_catalog.default_database.trans

[table-walkthrough] docker-compose build issues

Hi, *I have successfully run the project "table-walkthrough" on IDEA (w/t errors but warnings)*, *I'm now trying to build this project by using the "docker-compose" command* as the tutorial does. However, when I run the "docker-compose build" command in the directory of project "table-walkthrough"

Re: [table-walkthrough] docker-compose build issues

cker/api/client.py", line 221, in _retrieve_server_version raise DockerException( docker.errors.DockerException: Error while fetching server API version: ('Connection aborted.', FileNotFoundError(2, 'No such file or directory')) *My host environment info shows below:

Got multiple issues when running the tutorial project "table-walkthrough" on IDEA

Hi, I'm currently trying to debug the tutorial project "table-walkthrough" on IDEA on a standalone Flink environment. I installed the required software (Java 8 or 11, Maven, Docker) according to the tutorial. I'll provide some key environment info about the running environment before describing th