@Path("/orders")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
@RequestScoped
public class OrdersResource {

    @PersistenceContext(unitName = "books")
    private EntityManager em;

    @GET
    @Path("/{id}")
    public Response getOrder(@PathParam("id") Integer id) {

        BookOrder o = em.find(BookOrder.class, id);

        if (o == null) {
            return Response.status(Response.Status.NOT_FOUND).build();
        }

        return Response.ok(o).build();
    }
}

<properties>
    <kumuluz.version>3.5.0</kumuluz.version>
</properties>

<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>com.kumuluz.ee</groupId>
            <artifactId>kumuluzee-bom</artifactId>
            <version>${kumuluz.version}</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
    </dependencies>
</dependencyManagement>

<dependencies>
    <dependency>
        <groupId>com.kumuluz.ee</groupId>
        <artifactId>kumuluzee-core</artifactId>
    </dependency>
    <dependency>
        <groupId>com.kumuluz.ee</groupId>
        <artifactId>kumuluzee-servlet-jetty</artifactId>
    </dependency>
    <dependency>
        <groupId>com.kumuluz.ee</groupId>
        <artifactId>kumuluzee-cdi-weld</artifactId>
    </dependency>
    <dependency>
        <groupId>com.kumuluz.ee</groupId>
        <artifactId>kumuluzee-jax-rs-jersey</artifactId>
    </dependency>
    <dependency>
        <groupId>com.kumuluz.ee</groupId>
        <artifactId>kumuluzee-jpa-hibernate</artifactId>
    </dependency>
</dependencies>

<properties>
    <kumuluz.version>3.5.0</kumuluz.version>
</properties>

<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>com.kumuluz.ee</groupId>
            <artifactId>kumuluzee-bom</artifactId>
            <version>${kumuluz.version}</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
    </dependencies>
</dependencyManagement>

<dependencies>
    <!-- MicroProfile 2.2 -->
    <dependency>
        <groupId>com.kumuluz.ee</groupId>
        <artifactId>kumuluzee-microProfile-2.2</artifactId>
    </dependency>

    <dependency>
        <groupId>com.kumuluz.ee</groupId>
        <artifactId>kumuluzee-jpa-hibernate</artifactId>
    </dependency>
</dependencies>