Somnium99 opened a new issue, #18441:
URL: https://github.com/apache/pulsar/issues/18441

   ### Search before asking
   
   - [X] I searched in the [issues](https://github.com/apache/pulsar/issues) 
and found nothing similar.
   
   
   ### Version
   
   OS : 13.0.1 Ventura MacOS
   Pulsar : 2.10.2
   
   ### Minimal reproduce step
   
   build.gradle.kts :
   ```
   dependencies {
       implementation(platform("org.jetbrains.kotlin:kotlin-bom"))
       implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4")
       testImplementation("org.jetbrains.kotlin:kotlin-test")
       testImplementation("org.jetbrains.kotlin:kotlin-test-junit")
   
       implementation("io.ktor:ktor-server-netty:2.1.3")
   
       implementation("org.apache.pulsar:pulsar-client:2.10.2")
        
   ```
    
    also tried :
     ```
        runtimeOnly("io.netty:netty-resolver-dns-classes-macos:4.1.85.Final")
        
runtimeOnly("io.netty:netty-resolver-dns-classes-macos:4.1.85.Final:osx-x86_64")
      ```
   
   Main.kt : 
   ```
       val pulsar = 
PulsarClient.builder().serviceUrl("pulsar://localhost:6650").build()
   ```
   
   On running the program I get :
   ```
   21:42:28.732 [main] DEBUG 
org.apache.pulsar.shade.io.netty.util.NetUtilInitializations - Loopback 
interface: lo0 (lo0, 0:0:0:0:0:0:0:1%lo0)
   21:42:28.733 [main] DEBUG org.apache.pulsar.shade.io.netty.util.NetUtil - 
Failed to get SOMAXCONN from sysctl and file /proc/sys/net/core/somaxconn. 
Default: 128
   21:42:28.750 [main] DEBUG 
org.apache.pulsar.shade.io.netty.resolver.DefaultHostsFileEntriesResolver - 
-Dio.netty.hostsFileRefreshInterval: 0
   21:42:28.753 [main] WARN 
org.apache.pulsar.shade.io.netty.resolver.dns.DnsServerAddressStreamProviders - 
Can not find 
org.apache.pulsar.shade.io.netty.resolver.dns.macos.MacOSDnsServerAddressStreamProvider
 in the classpath, fallback to system defaults. This may result in incorrect 
DNS resolutions on MacOS.
   21:42:28.762 [main] 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 @3aefe5e5
        at 
java.base/jdk.internal.reflect.Reflection.newIllegalAccessException(Reflection.java:392)
        at 
java.base/java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:674)
        at java.base/java.lang.reflect.Method.invoke(Method.java:560)
        at 
org.apache.pulsar.common.util.netty.DnsResolverUtil.<clinit>(DnsResolverUtil.java:46)
        at 
org.apache.pulsar.client.impl.ConnectionPool.createAddressResolver(ConnectionPool.java:121)
        at 
org.apache.pulsar.client.impl.ConnectionPool.lambda$new$1(ConnectionPool.java:109)
        at java.base/java.util.Optional.orElseGet(Optional.java:364)
        at 
org.apache.pulsar.client.impl.ConnectionPool.<init>(ConnectionPool.java:109)
        at 
org.apache.pulsar.client.impl.ConnectionPool.<init>(ConnectionPool.java:78)
        at 
org.apache.pulsar.client.impl.ConnectionPool.<init>(ConnectionPool.java:73)
        at 
org.apache.pulsar.client.impl.PulsarClientImpl.<init>(PulsarClientImpl.java:194)
        at 
org.apache.pulsar.client.impl.PulsarClientImpl.<init>(PulsarClientImpl.java:150)
        at 
org.apache.pulsar.client.impl.ClientBuilderImpl.build(ClientBuilderImpl.java:67)
        at MainKt.main(Main.kt:72)
   ```
   
   
   ### What did you expect to see?
   
   No error. And a functioning program.
   
   
   ### What did you see instead?
   
   Program does not crash, but pulsar framework does not work. 
   It also shows the mentioned stacktrace when trying to build a pulsar client.
   
   ### Anything else?
   
   _No response_
   
   ### Are you willing to submit a PR?
   
   - [ ] I'm willing to submit a PR!


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