The id of the graalvmNative extension contains a typo.

enterprise/micronaut/src/org/netbeans/modules/micronaut/gradle/MicronautGradleArtifactsImpl.java

@@ -62,7 +62,7 @@
         }
 )
 public class MicronautGradleArtifactsImpl implements ProjectArtifactsImplementation<MicronautGradleArtifactsImpl.R>{
-    private static final String EXTENSION_GRAAL_VM_NATIVE = "graalVmNative";
+    private static final String EXTENSION_GRAAL_VM_NATIVE = "graalvmNative";
     private static final String TASK_NATIVE_COMPILE = "nativeCompile";
 
     private final Project project;