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Issue
1

Once served to JSF page via @EJB query bean, many list fields are null (but same query ok after fresh persist in @PostConstruct)

are no different from that of your own JavaEE tutorial and servlet + query example. The reason the relationships
Forum
1

Optimistic locking: prevent version increment on entity collection attribute

of my calls to the server is made in a transaction (the entry point in the servlet is annotated
Forum
1

Problem upgrading

.servlet.http.HttpServlet.service(HttpServlet.java:729) [tomcat-embed-core-8.0.28.jar:8.0.28] at org
Issue
1

Unexpected Internal Exception

Just got this: 13:09:11,309 SCHWERWIEGEND [com.quasado.galaxy.api.servlet.UIApplication] (http--127.0.0.1-8080-7) Critical error:: com.objectdb.o.InternalException: Unexpected internal exception at com.objectdb.o.JPE.h(JPE.java:165) [objectdb-2.4.0.jar:] at com.objectdb.o.ERR.f(ERR.java:70
Forum
1

UserException - Object User#2 belongs to another EntityManager

(ApplicationFilterChain.java:210) at org.ocpsoft.rewrite.servlet.RewriteFilter.doFilter(RewriteFilter.java:199
Forum
1

Visibility of changes in Transaction is not visible to a JPA QL Query

I have two simple Entities ( see attachment ) and a simple SLSB with container managed transactions which is called by a trivial servlet. Inside a UserTransaction I add a number of items then check to see that they have been added long newTotal = -1;   try {    InitialContext context = new
Forum
1

What are the steps of creating small web app?

Hello guys, I have a question about creating small new web application, I am almost done with researching and studying and I have covered all the important concepts e.g. # Starting from web technologies: HTML, CSS, JS, JQuery. # Moving to Java Technologies:  Core Java, Servlet, Managed Beans, JSF
Issue
1

Unexpected error when loading all entity instance

on destroy of the servlet.  I disabled the hot deploy and the database keeps on getting corrupt. I
Result
0

[ODB1] Chapter 1 - About ObjectDB

integrated into any JSP/servlet web application. The JDO Guest Book sample provided with ObjectDB ... to deploy a web application with ObjectDB on any web hosting system that supports servlets/JSP. Just