[jboss-jira] [JBoss JIRA] (WFLY-10754) NullPointerException using Stateless with configured interceptors

[Luca Stancapiano (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-10754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13612114#comment-13612114 ] 

Luca Stancapiano commented on WFLY-10754:
-----------------------------------------

hi Matej.... I start WildFly through the basic Arquillian configuration as you can see in the online test. Maybe something wrong in the Arquillian configuration. Can you try to start the test as described in the Steps to Reproduce of the issue?

> NullPointerException using Stateless with configured interceptors
> -----------------------------------------------------------------
>
>                 Key: WFLY-10754
>                 URL: https://issues.jboss.org/browse/WFLY-10754
>             Project: WildFly
>          Issue Type: Bug
>          Components: CDI / Weld
>    Affects Versions: 13.0.0.Final
>         Environment: WildFly 13.0.0.Final and java 10.0.1
>            Reporter: Luca Stancapiano
>            Assignee: Matej Novotny
>
> I report a strange behavior on WildFly 13 when configuring interceptors within stateless. Below I describe the scenario:
> Here a simple interceptor:
> {code:java}
> package it.vige.injection.interceptors;
> import javax.interceptor.AroundInvoke;
> import javax.interceptor.Interceptor;
> import javax.interceptor.InvocationContext;
> @Interceptor
> public class OKInterceptor {
> 	@AroundInvoke
> 	public Object aroundInvoke(InvocationContext ic) throws Exception {
> 		return ic.proceed();
> 	}
> }
> {code}
> Here an annotation used as interceptor binding:
> {code:java}
> package it.vige.injection.interceptors;
> import static java.lang.annotation.ElementType.CONSTRUCTOR;
> import static java.lang.annotation.ElementType.METHOD;
> import static java.lang.annotation.ElementType.TYPE;
> import static java.lang.annotation.RetentionPolicy.RUNTIME;
> import java.lang.annotation.Retention;
> import java.lang.annotation.Target;
> import javax.interceptor.InterceptorBinding;
> @Retention(RUNTIME)
> @Target({ METHOD, TYPE, CONSTRUCTOR })
> @InterceptorBinding
> public @interface NotOK {
> }
> {code}
> Here an interceptor annotated with the interceptor binding:
> {code:java}
> package it.vige.injection.interceptors;
> import javax.interceptor.AroundInvoke;
> import javax.interceptor.Interceptor;
> import javax.interceptor.InvocationContext;
> @Interceptor
> @NotOK
> public class NotOKInterceptor {
> 	@AroundInvoke
> 	public Object aroundInvoke(InvocationContext ic) throws Exception {
> 		return ic.proceed();
> 	}
> }
> {code}
> Here the stateless service configured with both the interceptors:
> {code:java}
> package it.vige.injection.interceptors;
> import javax.ejb.Stateless;
> import javax.interceptor.Interceptors;
> @Stateless
> public class SimpleService {
> 	@Interceptors({ OKInterceptor.class })
> 	public void ok() {
> 	}
> 	@NotOK
> 	public void notOk() {
> 	}
> }
> {code}
> This service must have two methods, one attached to the simple interceptor and the other attached to the interceptor binding.
> Here the beans.xml configuration:
> {code:java}
> <beans xmlns="http://xmlns.jcp.org/xml/ns/javaee"
> 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> 	xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
>                            http://xmlns.jcp.org/xml/ns/javaee/beans_2_0.xsd"
> 	version="2.0" bean-discovery-mode="all">
> 	<interceptors>
> 		<class>it.vige.injection.interceptors.OKInterceptor</class>
> 		<class>it.vige.injection.interceptors.NotOKInterceptor</class>
> 	</interceptors>
> </beans>
> {code}
> And in the end the client who call the service:
> {code:java}
> ....
> 	@Inject
> 	private SimpleService simpleService;
> ...
>         // this call works:
>         simpleService.ok();
>         // this call starts a NullPointerException:
>         simpleService.notOk();
> ...
> {code}
> when I try to call the notOk method I get this exception:
> {code:java}
> javax.ejb.EJBException: java.lang.NullPointerException
> at deployment.test.war//it.vige.injection.test.InterceptorsTestCase.testNotOk(InterceptorsTestCase.java:52)
> Caused by: java.lang.NullPointerException
> at deployment.test.war//it.vige.injection.test.InterceptorsTestCase.testNotOk(InterceptorsTestCase.java:52)
> {code}
> The same thing was tested on WildFly 12.0.0.Final and it was ok.
> If on WildFfly 13.0.0.Final I remove the @Stateless annotation from the service it works



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