Hi Kaibo,
which Kafka version are you running locally? When enabling exactly once
processing guarantees, you need at least Kafka >= 0.11. The
UnsupportedVersionException indicates that this constraint is not fulfilled
[1].
[1]
https://kafka.apache.org/0110/javadoc/index.html?org/apache/kafka/clie
Hi,
I encountered an error while running the kafka sink demo in IDEA.
This is the complete code:
import java.util.Properties
import org.apache.flink.api.common.serialization.SimpleStringSchema
import org.apache.flink.runtime.state.filesystem.FsStateBackend
import
org.apache.flink.streaming.api.e