[cherry-pick][branch-2.9] cherry-pick #17736 problem and DnsResolverTest license header #18640
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cherry-pick: [bugfix] ManagedLedger: move to FENCED state in case of BadVersionException #17736 problem fix
fix cherry-pick 17526 bugs
https://github.com/poorbarcode/pulsar/blob/4db04f509451dc1f17b96009b2f5e268c1ea644b/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/BrokerService.java#L2015
it should change to !createTopicFuture.isPresent() not createTopicFuture.isPresent()
and fix import
fix cherry-pick https://github.com/apache/pulsar/pull18283 testDeleteTopicAndSchemaForV1, throw exception messages error
run branch-2.9 test
Motivation
Documentation
doc-not-neededMatching PR in forked repository