Workaround FasterXML/jackson-databind#2992

Author: shaunsmith

candy/build.gradle

@@ -39,7 +39,7 @@ java {
 }
 
 nativeImage {
-    args("-H:Name=candy", "-H:IncludeResources='./public/index.html'")
+    args("-H:IncludeResources='./public/index.html'", "--report-unsupported-elements-at-runtime")
 }
 
 

candy/src/main/java/candy/Message.java

@@ -0,0 +1,11 @@
+package candy;
+
+import io.micronaut.core.annotation.Introspected;
+
+@Introspected
+public record Message(
+    Integer speed,
+    String status,
+    Boolean gimme
+){
+}

candy/src/main/java/candy/RequestController.java

@@ -1,7 +1,5 @@
 package candy;
 
-import candy.RequestController.Message;
-import io.micronaut.core.annotation.Introspected;
 import io.micronaut.http.MediaType;
 import io.micronaut.http.annotation.*;
 
@@ -12,14 +10,6 @@ public class RequestController {
     private static Integer speed = 0;
     private static Boolean gimme = Boolean.FALSE;
 
-    @Introspected
-    public record Message(
-        Integer speed,
-        String status,
-        Boolean gimme
-    ){
-    }
-
     @Get(uri="/candy", produces=MediaType.APPLICATION_JSON)
     public Message candy() {
         gimme = Boolean.TRUE;
@@ -34,13 +24,13 @@ public Message query() {
 
     @Post(uri="/auto", consumes=MediaType.APPLICATION_JSON, produces=MediaType.TEXT_HTML)
     public void auto(Message message) {
-        speed = message.speed;
+        speed = message.speed();
         System.out.println(speed);
     }
 
     @Post(uri="/whattodo", consumes=MediaType.APPLICATION_JSON, produces=MediaType.APPLICATION_JSON)
     public Message whattodo(Message message) {
-        status = message.status;
+        status = message.status();
         Message response = new Message(null, null, gimme);
         gimme = Boolean.TRUE;
         return response;

candy/src/main/resources/META-INF/native-image/reflect-config.json

@@ -0,0 +1,8 @@
+[ {
+    "name" : "candy.Message",
+    "allDeclaredConstructors" : true,
+    "allDeclaredMethods" : true,
+    "allDeclaredFields" : true,
+    "allDeclaredClasses" : true
+  }
+]