From d79a709b3f75da6ff518e12364a9b63bfb511e54 Mon Sep 17 00:00:00 2001
From: Julien Viet <julien@julienviet.com>
Date: Tue, 16 Jul 2024 10:46:51 +0200
Subject: [PATCH] vertx-core does not need to depend on
 netty-transport-native-XXX instead it can depend on
 netty-transport-classes-XXX

---
 vertx-core/pom.xml                            |  6 ++---
 .../main/java/io/vertx/core/VertxOptions.java |  1 -
 .../java/io/vertx/core/impl/VertxBuilder.java | 22 +++++++++++++------
 .../java/io/vertx/core/impl/VertxImpl.java    |  8 ++++---
 4 files changed, 22 insertions(+), 15 deletions(-)

diff --git a/vertx-core/pom.xml b/vertx-core/pom.xml
index 0e596c176b9..8052c6d19c7 100644
--- a/vertx-core/pom.xml
+++ b/vertx-core/pom.xml
@@ -86,12 +86,12 @@
     </dependency>
     <dependency>
       <groupId>io.netty</groupId>
-      <artifactId>netty-transport-native-epoll</artifactId>
+      <artifactId>netty-transport-classes-epoll</artifactId>
       <optional>true</optional>
     </dependency>
     <dependency>
       <groupId>io.netty</groupId>
-      <artifactId>netty-transport-native-kqueue</artifactId>
+      <artifactId>netty-transport-classes-kqueue</artifactId>
       <optional>true</optional>
     </dependency>
 
@@ -381,9 +381,7 @@
                 <include>io/vertx/it/transport/TransportTest.java</include>
               </includes>
               <classpathDependencyExcludes>
-                <classpathDependencyExclude>io.netty:netty-transport-native-epoll</classpathDependencyExclude>
                 <classpathDependencyExclude>io.netty:netty-transport-classes-epoll</classpathDependencyExclude>
-                <classpathDependencyExclude>io.netty:netty-transport-native-kqueue</classpathDependencyExclude>
                 <classpathDependencyExclude>io.netty:netty-transport-classes-kqueue</classpathDependencyExclude>
               </classpathDependencyExcludes>
             </configuration>
diff --git a/vertx-core/src/main/java/io/vertx/core/VertxOptions.java b/vertx-core/src/main/java/io/vertx/core/VertxOptions.java
index 43c5af0c542..ec2dbb38453 100644
--- a/vertx-core/src/main/java/io/vertx/core/VertxOptions.java
+++ b/vertx-core/src/main/java/io/vertx/core/VertxOptions.java
@@ -16,7 +16,6 @@
 import io.vertx.core.dns.AddressResolverOptions;
 import io.vertx.core.eventbus.EventBusOptions;
 import io.vertx.core.file.FileSystemOptions;
-import io.vertx.core.impl.SysProps;
 import io.vertx.core.impl.cpu.CpuCoreSensor;
 import io.vertx.core.json.JsonObject;
 import io.vertx.core.metrics.MetricsOptions;
diff --git a/vertx-core/src/main/java/io/vertx/core/impl/VertxBuilder.java b/vertx-core/src/main/java/io/vertx/core/impl/VertxBuilder.java
index 76e6c9a8fc5..d657c74e1a7 100644
--- a/vertx-core/src/main/java/io/vertx/core/impl/VertxBuilder.java
+++ b/vertx-core/src/main/java/io/vertx/core/impl/VertxBuilder.java
@@ -49,6 +49,7 @@ public class VertxBuilder implements VertxBootstrap {
   private VertxOptions options;
   private JsonObject config;
   private Transport transport;
+  private Throwable transportUnavailabilityCause;
   private ClusterManager clusterManager;
   private NodeSelector clusterNodeSelector;
   private VertxTracerFactory tracerFactory;
@@ -206,6 +207,7 @@ public Vertx vertx() {
       metrics,
       tracer,
       transport,
+      transportUnavailabilityCause,
       fileResolver,
       threadFactory,
       executorServiceFactory);
@@ -228,6 +230,7 @@ public Future<Vertx> clusteredVertx() {
       metrics,
       tracer,
       transport,
+      transportUnavailabilityCause,
       fileResolver,
       threadFactory,
       executorServiceFactory);
@@ -279,7 +282,17 @@ private void initTransport() {
     if (transport != null) {
       return;
     }
-    transport = findTransport(options.getPreferNativeTransport());
+    Transport t = findTransport(options.getPreferNativeTransport());
+    if (t != null) {
+      if (t.isAvailable()) {
+        transport = t;
+      } else {
+        transport = JDKTransport.INSTANCE;
+        transportUnavailabilityCause = t.unavailabilityCause();
+      }
+    } else {
+      transport = JDKTransport.INSTANCE;
+    }
   }
 
   private void initFileResolver() {
@@ -362,12 +375,7 @@ static Transport findTransport(boolean preferNative) {
           return transport;
         }
       }
-      Transport nativeTransport = nativeTransport();
-      if (nativeTransport != null && nativeTransport.isAvailable()) {
-        return nativeTransport;
-      } else {
-        return JDKTransport.INSTANCE;
-      }
+      return nativeTransport();
     } else {
       return JDKTransport.INSTANCE;
     }
diff --git a/vertx-core/src/main/java/io/vertx/core/impl/VertxImpl.java b/vertx-core/src/main/java/io/vertx/core/impl/VertxImpl.java
index bfbc4c0d410..d7e8362fe3f 100644
--- a/vertx-core/src/main/java/io/vertx/core/impl/VertxImpl.java
+++ b/vertx-core/src/main/java/io/vertx/core/impl/VertxImpl.java
@@ -163,14 +163,15 @@ private static ThreadFactory virtualThreadFactory() {
   private final TimeUnit maxEventLoopExecTimeUnit;
   private final CloseFuture closeFuture;
   private final Transport transport;
+  private final Throwable transportUnavailabilityCause;
   private final VertxTracer tracer;
   private final ThreadLocal<WeakReference<ContextInternal>> stickyContext = new ThreadLocal<>();
   private final boolean disableTCCL;
   private final Boolean useDaemonThread;
 
   VertxImpl(VertxOptions options, ClusterManager clusterManager, NodeSelector nodeSelector, VertxMetrics metrics,
-            VertxTracer<?, ?> tracer, Transport transport, FileResolver fileResolver, VertxThreadFactory threadFactory,
-            ExecutorServiceFactory executorServiceFactory) {
+            VertxTracer<?, ?> tracer, Transport transport, Throwable transportUnavailabilityCause,
+            FileResolver fileResolver, VertxThreadFactory threadFactory, ExecutorServiceFactory executorServiceFactory) {
     // Sanity check
     if (Vertx.currentContext() != null) {
       log.warn("You're already on a Vert.x context, are you sure you want to create a new Vertx instance?");
@@ -218,6 +219,7 @@ private static ThreadFactory virtualThreadFactory() {
     this.threadFactory = threadFactory;
     this.metrics = metrics;
     this.transport = transport;
+    this.transportUnavailabilityCause = transportUnavailabilityCause;
     this.fileResolver = fileResolver;
     this.addressResolverOptions = options.getAddressResolverOptions();
     this.hostnameResolver = new HostnameResolver(this, options.getAddressResolverOptions());
@@ -368,7 +370,7 @@ public Throwable unavailableNativeTransportCause() {
     if (isNativeTransportEnabled()) {
       return null;
     }
-    return transport.unavailabilityCause();
+    return transportUnavailabilityCause;
   }
 
   public FileSystem fileSystem() {