Results 6 issues of Tian Luo

**BUG REPORT** ***Describe the bug*** pulsar broker can not read ledgers when zk abnormallity. after some time running, threr are some error log like: ``` 2022-05-17 09:16:45,869 bookkeeper-ml-scheduler-OrderedScheduler-5-0 WARN org.apache.logging.slf4j.Log4jLogger...

type/bug