执行kafka-producer-perf-test.sh报错cd ../conf

./kafka-producer-perf-test.sh --topic test2 --record-size 100 --num-records 20000 --throughput 1000 --producer-props bootstrap.servers=

消费压测是好用的，版本2.6.2

org.apache.kafka.common.errors.UnknownServerException: The server experienced an unexpected error when processing the request.
org.apache.kafka.common.errors.UnknownServerException: The server experienced an unexpected error when processing the request.
org.apache.kafka.common.errors.UnknownServerException: The server experienced an unexpected error when processing the request.
org.apache.kafka.common.errors.UnknownServerException: The server experienced an unexpected error when processing the request.
org.apache.kafka.common.errors.UnknownServerException: The server experienced an unexpected error when processing the request.