[jira] [Updated] (CXF-6694) SpringResourceFactory does not work with constructor-autowired beans

["Vladimir Kulev (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CXF-6694?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vladimir Kulev updated CXF-6694:
--------------------------------
    Attachment: CXF-6694.patch

Here is a patch which fixes my problem. Also I wrote an example Spring Boot application to demonstrate use case:
{code:java}
@SpringBootApplication
@Import(SpringComponentScanServer.class)
public class CxfExampleApplication {

    public static void main(String[] args) {
        SpringApplication.run(CxfExampleApplication.class, args);
    }

    @Bean
    public ServletRegistrationBean servletRegistrationBean() {
        return new ServletRegistrationBean(new CXFServlet(), "/api/*");
    }

    @Bean
    public Backend backend() {
        return new Backend();
    }

    @Bean
    public Frontend frontend() {
        return new Frontend(backend());
    }

    @Path("/")
    public static class Frontend {

        private final Backend backend;

        public Frontend(Backend backend) {
            this.backend = backend;
        }

        @Path("/status")
        @GET
        public String getStatus() {
            return backend.getStatus();
        }
    }

    public static class Backend {

        public String getStatus() {
            return "Hello, world!";
        }
    }
}
{code}
Also please consider adding this to documentation page:
http://cxf.apache.org/docs/jaxrs-services-configuration.html#JAXRSServicesConfiguration-SpringBoot

> SpringResourceFactory does not work with constructor-autowired beans
> --------------------------------------------------------------------
>
>                 Key: CXF-6694
>                 URL: https://issues.apache.org/jira/browse/CXF-6694
>             Project: CXF
>          Issue Type: Bug
>          Components: JAX-RS
>    Affects Versions: 3.1.4
>            Reporter: Vladimir Kulev
>              Labels: spring
>         Attachments: CXF-6694.patch
>
>
> When used with constructor-autowired bean, it fails with "Resource class ... has no valid constructor" exception. We don't need constructor at all when we already have a singleton instance from Spring.
> Also it looks like {{isSingleton()}} is called for the first time before correct value is calculated a few lines below: {{isSingleton = ac.isSingleton(beanId)}}



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