fix build

Author: birdayz

Dockerfile

@@ -7,7 +7,7 @@ ENV GRADLE_USER_HOME /tmp/build/.gradle
 ADD . /tmp/build
 RUN ./gradlew build fatJar
 RUN native-image -jar /tmp/build/build/libs/graal-javalin-all-1.0-SNAPSHOT.jar -H:ReflectionConfigurationFiles=reflection.json -H:+JNI \
-  -H:Name=graal-httpserver --static
+  -H:Name=graal-javalin --static --delay-class-initialization-to-runtime=io.javalin.json.JavalinJson
 
 FROM scratch
 COPY --from=0 /tmp/build/graal-javalin /

Makefile

@@ -1,8 +1,8 @@
 build:
 	./gradlew clean build fatJar
 native: build
-	 native-image -jar build/libs/graal-httpserver-all-1.0-SNAPSHOT.jar -H:ReflectionConfigurationFiles=reflection.json -H:+JNI \
-		 -H:Name=graal-httpserver
+	 native-image -jar build/libs/graal-javalin-all-1.0-SNAPSHOT.jar -H:ReflectionConfigurationFiles=reflection.json -H:+JNI \
+		 -H:Name=graal-javalin
 setup:
 	sdk install java 1.0.0-rc6-graal
 	sdk use java 1.0.0-rc6-graal

build.gradle

@@ -11,6 +11,7 @@ sourceCompatibility = 1.8
 dependencies {
     compile group: 'io.javalin', name: 'javalin', version: '2.2.0'
     compile group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version: '2.9.6'
+
     compile group: 'org.slf4j', name: 'slf4j-simple', version: '1.7.25'
     compile group: 'org.graalvm', name: 'graal-sdk', version: '1.0.0-rc6'
 }

reflection.json

@@ -1,16 +1,30 @@
-  [
-   {
-    "name" : "[Lorg.eclipse.jetty.servlet.ServletMapping;",
+[
+  {
+    "name": "[Lorg.eclipse.jetty.servlet.ServletMapping;",
     "allDeclaredFields": true,
     "allPublicFields": true,
     "allDeclaredMethods": true,
     "allPublicMethods": true
-   },
-{
-    "name" : "org.slf4j.impl.StaticLoggerBinder",
+  },
+  {
+    "name": "org.slf4j.impl.StaticLoggerBinder",
     "allDeclaredFields": true,
     "allPublicFields": true,
     "allDeclaredMethods": true,
     "allPublicMethods": true
-   }
+  },
+  {
+    "name": "com.fasterxml.jackson.databind.ObjectMapper",
+    "allDeclaredFields": true,
+    "allPublicFields": true,
+    "allDeclaredMethods": true,
+    "allPublicMethods": true
+  },
+  {
+    "name": "de.nerden.samples.graal.Test",
+    "allDeclaredFields": true,
+    "allPublicFields": true,
+    "allDeclaredMethods": true,
+    "allPublicMethods": true
+  }
 ]

src/main/java/de/nerden/samples/graal/Main.java

@@ -5,7 +5,9 @@
 public class Main {
 
     public static void main(String[] args) {
+        Test t = new Test();
+        t.setAbc("LOL");
         Javalin app = Javalin.create().start(7000);
-        app.get("/", ctx -> ctx.result("Hello World"));
+        app.get("/", ctx -> ctx.json(t));
     }
 }

src/main/java/de/nerden/samples/graal/Test.java

@@ -0,0 +1,14 @@
+package de.nerden.samples.graal;
+
+public class Test {
+
+    private String abc;
+
+    public String getAbc() {
+        return abc;
+    }
+
+    public void setAbc(String abc) {
+        this.abc = abc;
+    }
+}