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tutorial

NetBeans/JPA Java EE 6 Tutorial

Step by step tutorial that demonstrates how to build a simple Java EE web application (with Servlet, JSP and an EJB Session Bean) in NetBeans using JPA.... using GlassFish, ObjectDB and JPA. The demo web application manages a basic guestbook page. Every visitor can sign the ...

 
tutorial

Eclipse/JPA Spring MVC Web Tutorial

Step by step tutorial that demonstrates how to build a Spring MVC Java web application (with Servlet, JSP and a DAO Bean) in Eclipse using JPA.... JPA, Tomcat (or GlassFish) and Maven. The demo web application manages a basic guestbook page. Every visitor can sign the ...

 
tutorial

NetBeans/JPA Spring MVC Web Tutorial

Step by step tutorial that demonstrates how to build a Spring MVC Java web application (with Servlet, JSP and a DAO Bean) in NetBeans using JPA.... JPA, ObjectDB, Tomcat (or GlassFish) and Maven. The demo web application manages a basic guestbook page. Every visitor can sign ...

 
tutorial

Eclipse/JPA Web Application Tutorial

Step by step tutorial that demonstrates how to build a simple database web application (with Servlet and JSP) in Eclipse using JPA.... in Eclipse - using Tomcat 6, ObjectDB and JPA. The demo web application manages a basic guestbook page. Every visitor can sign the ...

 
tutorial

NetBeans/JPA Web Application Tutorial

Step by step tutorial that demonstrates how to build a simple database web application (with Servlet and JSP) in NetBeans using JPA.... needed for Tomcat 7.0 ), ObjectDB and JPA. The demo web application manages a basic guestbook page. Every visitor can sign the ...

 
forum_thread

ODB tries to create log files inside its own jar on Win7

I sent a demo of an app I've been developing on Linux to some Windows 7 users, and they were unable to run it.  The stack traces they sent me indicated that ODB was trying to create its log files inside objectdb.jar, which was inside the executable jar packaged by Eclipse.  Here's the end of the stack trace: ... 02:47 I sent a demo of an app I've been developing on Linux to some Windows 7 users, and ...

 
forum_thread

Get multiple entities by Id

I'm trying to fetch a list of entities, by their Id. I Use this query: SELECT c FROM User c WHERE c.id IN :ids This querey works as long as I don't set the property "id" as @Id. If i set @Id to any other member, this query works, if I set id as @Id, it stops working and gives zero results. Is this a known limitation or a bug? Do you have any idea how to solve this problem? ... . *;     public final class demo {   public static void main ( String ...

 
forum_thread

Post-compilation enhancement vs Automatic Run-time enhancement

We are getting massively different results on field loading between explicit post-compile enhancement and automatic run-time enhancement. Testing exactly where and when the results are different for our demo web app is a very time consuming task, and very difficult, it means testing literally 100s of user interfaces (noting we get different results OUTSIDE THE JAVA SERVER FACES BACKING BEAN LAYER depending on the enhancement stragegy). Can you please explain how this could possibly be so ? ... exactly where and when the results are different for our demo web app is a very time consuming task, and very difficult, it means ...

 
issue

Issue with DISTINCT Select

It is getting more and more frustrating :( We've introduced distinct select instead of regular selection in our code (no changes else) and suddenly receive invalid identifiers in queries exceptions in various queries. Here's the stacktrace: ... but I've tried one hour to replicate it in a simple demo without success. Furthermore, doing a simple .toString() of the ...

 
issue

ObjectDB 2 JDO Manual

The new ObjectDB Manual describes how to use ObjectDB 2 with JPA. An additional manual that focuses on using ObjectDB 2 with JDO can help JDO users. But since writing a new manual and then maintaining two similar manuals, one for JPA and the other for JDO requires sufficient effort, this will be done only if there is sufficient demand.  ... you support of JDO 2 is when you don't even have a small demo example. I understand that keeping two manuals up to date is a lot ...