cdi

问题 Oracle describes very well how to make an @Entity. However, it's not strictly clear to me how to actually add/drop tables. I also like the rose india explanation, but just want to clarify the general idea. For a JSF JEE6 app with CDI, I can basically just create an @Entity class, instantiate some instances in the @Named bean, and write (CRUD operations) to the MySQL database with an EntityManager from the bean? I can just use default JPA which comes with Glassfish? Just want to clarify the

问题 imagine having a producer for a SessionFactory (as example): @Produces public SessionFactory produceSessionFactory(){} No I have a second producer that produces some other object, lets say a DatabaseObject, and needs a reference to a SessionFactory: @Produces public DatabaseObject produceDatabaseObject(SessionFactory factory){} No I can use my database object like that: @Inject DatabaseObject object; So far, so good. So lets assume this stuff is implemented in a framework and is going to be

问题 Can I call a remote EJB method with CDI bean in parameter method? Like this: I have a LoggedUserProducer.java thats produces a User from the database. public class LoggedUserProducer { @Produces @SessionScoped @LoggedUser public User produceLoggedUser() throws Exception { ... //load user from database with a request token return user; } } And I have a JSF Bean thats make the EJB call: CarController.java @Named @ViewScoped public class CarController implements Serializable { @Inject //I have a

问题 We are migrating a few old systems written in Java 5, 6 and 7 to Java 8 and from JBoss 7 to Wildfly 14. After the migration, I get all the time this kind of error: WELD-001408: Unsatisfied dependencies for type InterfaceTypeConverterProvider with qualifiers @Named I understand that from CDI 1.2 things changed and the @Inject don't work as it used to be and it need some refactoring. I got many errors like this, some of them are classes in my own project that try to Inject other classes also

问题 The Problem: Hello i'm having a problem on java EE , i have to use annotation like @Inject @Stateless etcetc, but i can't get a solution, after reading a lot of documentation and example etcetc it seems that what i 've code should work but definitly not. So the problem is that i have a custom qualifiers on an interface like this @Qualifier @Retention(RUNTIME) @Target({METHOD, FIELD, PARAMETER, TYPE}) public @interface BudgetsDs { } and i want inject it in another object as a member field like

问题 Based on the proposed solution here, I am trying to use CDI @Produces to be able to access with @Inject multiple properties files: Bundle Interface package com.locale; import java.lang.annotation.ElementType; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.lang.annotation.Target; import javax.enterprise.util.Nonbinding; import javax.inject.Qualifier; @Qualifier @Target({ElementType.TYPE, ElementType.METHOD, ElementType.FIELD, ElementType

问题 I am trying to run this example in java SE mode from my windows command prompt. I have built a jar with all dependencies included in it and running it from my command prompt. but, keep getting this error. From this answer, i understand that there could be multiple StepContext classes in my runtime classpath. i now replaced the maven-assembly plugin with the maven-shade plugin to build my fat jar and i can see the following warning while packaging the jar [WARNING] javax.inject-1.jar, weld-se

问题 I am using spring-data-neo4j (standalone) in my JavaEE7-application as nice neo4j-OGM. For time being, I am trying to integrate spring-data-neo4j repositories via @Autowired into my project. public interface UserRepository extends GraphRepository<User> {} I have started writing some JUnit-tests, which are testing beans which themselves use this repositories. Everything works fine so far. @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(locations = { "/spring/application-context

问题 Server: Payara 5.183. When the converter is used, a NullPointerException is raised because the injected EJB is null (System.out.println prints "null"). It works (injection not null) if I use a workaround used before JSF 2.3: replacement of @FacesConverter by @Name. Converter: @FacesConverter(value = "compteConverter", managed = true) public class CompteConverter implements Converter<CompteBancaire> { @EJB private GestionnaireCompte gestionnaireCompte; @Override public CompteBancaire

问题 I have two beans: @Named @SessionScoped public class Session implements Serializable { private String temp; +getter, setter } @Named @RequestScoped public class Test { @Inject private Session s; @PostConstruct public void init() { this.sth = s.getTemp(); //here is exception } } When I try to fetch in init same value from session I get NullPointerException. What am I doing wrong? Server is JBoss eap 6.0, JSF v2.1. Thanks in advance Edit: I investigated that problem appears only when I have