Reset empty byte buffer value and do replacements to avoid NPE quarku…

…sio#9750

extensions/netty/runtime/src/main/java/io/quarkus/netty/runtime/graal/NettySubstitutions.java

@@ -1,5 +1,6 @@
 package io.quarkus.netty.runtime.graal;
 
+import java.nio.ByteBuffer;
 import java.security.PrivateKey;
 import java.security.Provider;
 import java.security.cert.X509Certificate;
@@ -389,6 +390,34 @@ static Class<?> tryToLoadClass(final ClassLoader loader, final Class<?> helper)
 
 }
 
+@TargetClass(className = "io.netty.buffer.EmptyByteBuf")
+final class Target_io_netty_buffer_EmptyByteBuf {
+
+    @Alias
+    @RecomputeFieldValue(kind = RecomputeFieldValue.Kind.Reset)
+    private static ByteBuffer EMPTY_BYTE_BUFFER;
+
+    @Alias
+    @RecomputeFieldValue(kind = RecomputeFieldValue.Kind.FromAlias)
+    private static long EMPTY_BYTE_BUFFER_ADDRESS = 0;
+
+    @Substitute
+    public ByteBuffer nioBuffer() {
+        return ByteBuffer.allocateDirect(0);
+    }
+
+    @Substitute
+    public ByteBuffer[] nioBuffers() {
+        return new ByteBuffer[] { ByteBuffer.allocateDirect(0) };
+    }
+
+    Substitute
+    public ByteBuffer internalNioBuffer(int index, int length) {
+        return ByteBuffer.allocateDirect(0);
+    }
+
+}
+
 class NettySubstitutions {
 
 }