I am using Windows 7 OS. I downloaded apache-activemq-5.8.0.zip from these Link and extracted in C:\Users\Infratab Bangalore\Desktop\Queueing\apache-activemq-5.8.0 directory. While Activemq initia...

I have below annotation. MyAnnotation.java @Target(ElementType.METHOD) @Retention(RetentionPolicy.RUNTIME) public @interface MyAnnotation { } SomeAspect.java public class SomeAspect{ @Aroun...

I have an application that is running on a Java EE 7 application server (WildFly), that queries another service using REST resources. In previous applications I have used the Jersey 1.x client API...

When should I use @javax.persistence.Lob annotation in JPA? What datatypes can be annotated by this annotation?

I developed a set of restful web services. I couldn't call any of these methods from remote clients due to the error No 'Access-Control-Allow-Origin' header is present on the requested resource. ...

I am trying to deploy the first example (hello1) from the Java 7/8 EE tutorial* using Netbeans and I am running into problems. The project compiles without problems but when deploying it gives an e...

Without creating another class that I can inject. Is it possible to mock javax.mail.Transport so I can do some mock testing of the Transport.send() method on Java EE 7?

I have multiple java projects. these projects are creating jar,war and ear files using gradle. In each project I have used manifest file to maintain the meta data like version,date-time... Fro this...

im little confused. What is the exact difference between javax.inject.Singleton and javax.ejb.Singleton?

I am making application using JAVA EE,JAX-RS,JPA,GLASSFISH. Response is working properly in case of MediaType.APPLICATION_XML. It's not working in MediaType.APPLICATION_JSON. Here is my pojo class...

I am dealing with a problem related with lazy loaded objects from the database. Let's say that we have the below entity. @Entity(name = "User") @Table(name = "USERS") public class User{ @Id @Ge...

I like the idea of having a standard for JSON serialization in Java, javax.json is a great step forward you can do an object graph like this: JsonObject jsonObject3 = Json.createObjectBuilder() .a...

PROBLEM: Need to cache a native query (Hibernate Query Caching) in a stateless DAO EJB. Hibernate 5.3, Jpa 2.1, JavaEE 7. RESEARCH: Working example: getEntityManager().createNativeQuery("SELECT...

I'm working on a project that uses bean validation (Hibernate Validator 5.1.3.Final). My bean has a attribute with the @Past annotation. @Past(message = "A data deve estar no passado.") private Lo...

Lately, during my research about asynchronous processing in Servlets, I came across at at least three ways to implement some functionality using this approach. The questions are: Which one is the ...

I have googled spring security examples using dao authentication and custom authentication filter, but which are I found, all the examples are using xml file configuration, My question is how to c...

I've browsed a lot of Web Socket examples, presentation slides and they are mostly concentrated on a rather simple scenarios in which client-server communication is initiated by the client. I am i...

I'm using Java EE 7. I would like to know what is the proper way to inject a JPA EntityManager into an application scoped CDI bean. You can't just inject it using @PersistanceContext annotation, be...

I have migrated my application from JSF 1.2 to 2.2. It used XML namespaces on java.sun.com domain like xmlns:f="http://java.sun.com/jsf/core". However, Oracle's Java EE 7 tutorial is using XML na...

I am migrating an application to Java EE 7 and would like to CDI 1.1. But I don't get the meaning of bean-discovery-mode="annotated". The CDI 1.1 specification is not very helpful. At least I have...

I'm doing a project in eclipse with JSF 2.2 and Servlet 3.1 (Java EE7). The first problem I had was a error in the pom.xml in line: <packaging>war</packaging> Error: web.xml is missi...

I have been looking into section 3.4.7.2 of the EJB3.2 specifications lately und done some tests. The specifications: @EJB Cart cart1; @EJB Cart cart2; … if (cart1.equals(cart1)) { // this t...

By default Bean Validation gets Locale based on Locale.getDefault(), which is common to whole JVM. How to change BeanValidation's Locale for current EJB method call? I'm using JavaEE7 and want to...

I am being having a lot of issues deploying my war file on my VPS. I have java-8 and tomcat-8. My server is an Apache/2.2.22 (Debian) and my HTTP is on port 80 and tomcat on 8080. Currently if yo...

I want to get bean from producer method in order to read its properties. In some scenarios the bean is a EJB Singleton bean. I've simplified my code to focus on the problem. My simple qualifier:...