I am working on an application that consists of several backend services and a frontend client. The entire application is written in Java, and we use the Apache TomEE webserver to run it. The back...

Context We use a javax.ws.rs.ext.ExceptionMapper<Exception> annotated as @javax.ws.rs.ext.Provider to handle all exceptions. Internally this ExceptionMapper is distinguishing between differe...

I have just migrated to Tomcat 8. I used to work with system property org.apache.el.parser.COERCE_TO_ZERO=false so empty strings, numbers, booleans etc. are treated as null. In Tomcat 8, EL 3.0, i...

I am trying to run my application in TomEE server, After much hassles I am able to run the application. However for some reason I am getting some sort of jar conflict for resteasy and hence an err...

I want to deploy EJB ear in a server but I am really confused about choosing a server among tomcat, TomEE and TomEE Plus. What are the differences between Tomcat and TomEE? What are the new featu...

Whats the difference between service tomcat start/stop and ./catalina.sh run/stop in Tomcat or TomEE? Do they do exactly the same thing?

I have two tomee instances clustered. Each one have a method annotated like @Schedule(dayOfWeek = "*") public void runMeDaily() {...} I'd like to run this method only once a day. Not twice a da...

I'm converting a web application to use TomEE instead of Jboss 5.1.0 and seeing the following exception: ERROR org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/].[mlui]- Servlet.ser...

Summary I'm trying to run a Java web application JPA 2.0 example. The example application was written to run in Glassfish, using EclipseLink as JPA provider. I would like to convert it to run in T...

I am upgrading a code that uses Jersey JAX-RS to run on an Apache TomEE server. Unfortunately it throws errors when I try to use Jersey with TomEE. I am using eclipse and have the JAX-RS project f...

I don't know may be my question is completely meaningless, but I can't find any straight information about it. I had my JSF + Tomcat application and it worked just fine. I want to implement Restf...

We build 3-tier enterprise solutions that typically consists of several webapp and ejbjar modules that all talk to a db and have several external integration points. Each module typically needs it...

im currently trying to make a JSFUnit-Test with Arquillian and TestNG, but the JSFServerSession and JSFClientSession-object is NULL. Is there a working EXAMPLE for having JSFUnit and TestNG? Or is ...

I have following code to run on Apache-tomee, i am using eclipse for coding, and i want to run my simple schedule job using @Schedule annotation at application start-up. @Startup @Singleton publi...

I would test my EJB with TomEE embedded EJBContainer. This is my JUnit test case skeleton: package com.xxx.indexer.scheduler.service; import java.util.Properties; import javax.ejb.embeddable.EJ...

I am developing a simple application with EJB 3.0 using OpenEJB for deployment and Eclipse as an IDE. I created the project as a 'dynamic web application' in Eclipse. When I tried creating the fi...

Using stock TomEE+, I cannot get a simple JAX-RS resource to work. I constantly get an error of: Jun 30, 2012 5:09:59 PM org.apache.cxf.jaxrs.utils.ResourceUtils checkMethodDispatcher WARNING: No ...

I understand that Apache TomEE is a regular Tomcat installation with openejb as a web app. I am trying to understand how all this bootstraps. I will try and ask a few directed questions: Is it i...

Like the title says. I don't have much knowledge regarding the inner workings of Java EE6 certification. However, it seems that TomEE+ is just just a superset of TomEE, so shouldn't TomEE+ also be ...