nicoloboschi opened a new pull request, #18806:
URL: https://github.com/apache/pulsar/pull/18806

   ### Motivation
   
   `pulsar-perf` fails with jdk17.
   
   
   ```
   2022-12-06T09:43:53,357-0600 [pulsar-perf-producer-exec-1-1] WARN  
io.netty.resolver.dns.DnsServerAddressStreamProviders - Can not find 
io.netty.resolver.dns.macos.MacOSDnsServerAddressStreamProvider in the 
classpath, fallback to system defaults. This may result in incorrect DNS 
resolutions on MacOS.
   2022-12-06T09:43:53,369-0600 [pulsar-perf-producer-exec-1-1] WARN  
org.apache.pulsar.common.util.netty.DnsResolverUtil - Cannot get DNS TTL 
settings from sun.net.InetAddressCachePolicy class
   java.lang.IllegalAccessException: class 
org.apache.pulsar.common.util.netty.DnsResolverUtil cannot access class 
sun.net.InetAddressCachePolicy (in module java.base) because module java.base 
does not export sun.net to unnamed module @6456fb59
       at 
jdk.internal.reflect.Reflection.newIllegalAccessException(Reflection.java:392) 
~[?:?]
       at 
java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:674) ~[?:?]
   ```
   ### Modifications
   
   Add `--add-opens` like in the other cli tools.
   
   
   ### Documentation
   
   <!-- DO NOT REMOVE THIS SECTION. CHECK THE PROPER BOX ONLY. -->
   
   - [ ] `doc` <!-- Your PR contains doc changes. Please attach the local 
preview screenshots (run `sh start.sh` at `pulsar/site2/website`) to your PR 
description, or else your PR might not get merged. -->
   - [ ] `doc-required` <!-- Your PR changes impact docs and you will update 
later -->
   - [x] `doc-not-needed` <!-- Your PR changes do not impact docs -->
   - [ ] `doc-complete` <!-- Docs have been already added -->


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