fix: native transports, pt2

Signed-off-by: Sam Gammon <sam@elide.dev>

Author: sgammon

packages/cli/build.gradle.kts

@@ -1387,8 +1387,8 @@ val commonNativeArgs = listOfNotNull(
   "-H:ExcludeResources=org/graalvm/shadowed/com/ibm/icu/impl/data/icudt74b/coll/ko.res",
   "-H:ExcludeResources=org/graalvm/shadowed/com/ibm/icu/impl/data/icudt74b/brkitr/burmesedict.dict",
   "-H:ExcludeResources=org/graalvm/shadowed/com/ibm/icu/impl/data/icudt74b/brkitr/thaidict.dict",
-  "-H:ExcludeResources=META-INF/native/libnetty_transport_native_epoll_aarch_64.so",
-  "-H:ExcludeResources=META-INF/native/libnetty_transport_native_io_uring_x86_64.so",
+  // "-H:ExcludeResources=META-INF/native/libnetty_transport_native_epoll_aarch_64.so",
+  // "-H:ExcludeResources=META-INF/native/libnetty_transport_native_io_uring_x86_64.so",
   "-Delide.strict=true",
   "-Delide.js.vm.enableStreams=true",
   "-Delide.mosaic=$enableMosaic",
@@ -1796,7 +1796,7 @@ val linuxOnlyArgs = defaultPlatformArgs.plus(
     "-H:ExcludeResources=.*dll",
     "-H:ExcludeResources=META-INF/native/libsqlitejdbc-linux-amd64.so",
     "-H:ExcludeResources=lib/osx-aarch64/libbrotli.dylib",
-    "-H:ExcludeResources=META-INF/native/libnetty_transport_native_epoll_x86_64.so",
+    // "-H:ExcludeResources=META-INF/native/libnetty_transport_native_epoll_x86_64.so",
     "-H:ExcludeResources=META-INF/native/libnetty_transport_native_kqueue_x86_64.jnilib",
     "--initialize-at-run-time=io.netty.channel.kqueue.Native",
     "--initialize-at-run-time=io.netty.channel.kqueue.KQueueEventLoop",

packages/cli/src/main/resources/META-INF/native-image/dev/elide/elide-cli/reachability-metadata.json

@@ -1,5 +1,11 @@
 {
   "reflection": [
+    {
+      "type": "sun.nio.ch.EPollSelectorImpl",
+      "allDeclaredFields": true,
+      "allDeclaredMethods": true,
+      "allDeclaredConstructors": true
+    },
     {
       "type": "Main",
       "methods": [

packages/graalvm/src/main/kotlin/elide/runtime/intrinsics/server/http/netty/NettyTransport.kt

@@ -30,6 +30,7 @@ import io.netty.incubator.channel.uring.IOUring
 import io.netty.incubator.channel.uring.IOUringEventLoopGroup
 import io.netty.incubator.channel.uring.IOUringServerSocketChannel
 import kotlin.reflect.KClass
+import elide.runtime.Logging
 import elide.runtime.intrinsics.server.http.netty.NettyTransport.Companion.resolve
 
 /**
@@ -51,23 +52,28 @@ internal sealed interface NettyTransport<T : ServerSocketChannel> {
     try {
       scope.group(eventLoopGroup())
       scope.channel(socketChannel().java)
-    } catch (_: UnsatisfiedLinkError) {
+    } catch (err: UnsatisfiedLinkError) {
+      logging.warn { "Falling back to NIO; native transport could not load: '${err.message}'" }
       scope.group(NioEventLoopGroup())
       scope.channel(NioServerSocketChannel::class.java)
     }
   }
 
   companion object {
+    private val logging by lazy {
+      Logging.of(NettyTransport::class)
+    }
+
     /** Resolve a [NettyTransport] implementation for the current platform. */
     internal fun resolve(): NettyTransport<*> = when {
       // prefer `io_uring` if available (Linux-only, modern kernels)
       IOUring.isAvailable() -> IOUringTransport
 
       // next up, prefer `epoll` if available (Linux-only, nearly all kernels)
-      // Epoll.isAvailable() -> EpollTransport
+      Epoll.isAvailable() -> EpollTransport
 
       // next up, opt for `kqueue` on Unix-like systems
-      // KQueue.isAvailable() -> KQueueTransport
+      KQueue.isAvailable() -> KQueueTransport
 
       // otherwise, fallback to NIO
       else -> NioTransport