About Tutorial

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Forum
24

Eclipse/JPA database tutorial

Hello Sir/Madam, I followed all the steps correctly as given in the tutorial. But when i run ... tutorial? a web tutorial? When exactly do you get the error message? Do you get any additional text in ... in the console or in the server log. Thanks for the response. Its the web tutorial. I have attached
Forum
24

Tutorial issue

Ok, so I'm stuck on the Eclipse tutorial. I have a number of other projects running in Eclipse ... steps two and three I used the source folder "Tutorial/src" which is what I used to create ... .PersistenceException Ambiguous entity name - Point (used by [point.Point,tutorial.Point]) (error 307
Forum
24

New Web Application Tutorials

New ObjectDB/JPA tutorials have been published today: Eclipse/JPA Web Application Tutorial NetBeans/JPA Web Application Tutorial The new tutorials demonstrate how to build a simple database driven web application using ObjectDB and JPA. Understanding these tutorials requires some familiarity
Forum
23

Guestbook example from tutorial does not work.

the tutorial and try to deploy on Tomcat but i get this error. Caused by: org.apache.tomee.catalina ... /tutorials/guestbook-jee6/target/Guestbook: org.apache.openejb.OpenEJBRuntimeException: java.lang ... to try running the Maven version of this tutorial. Thank you for your quick reply. But thats a maven
Issue
23

Tutorial Typo

I was going through the Eclipse Spring tutorial as part of my training, and I noticed this.  On the page: http://www.objectdb.com/tutorial/jpa/eclipse/spring/entity The tutorial first says: Enter META-INF as a new folder name and click Finish. Then, after the picture, it says: Right click the new
Issue
23

Web Application Tutorial

A tutorial that demonstrates how to use ObjectDB in a web application should be written and added to the Tutorials section. The following web tutorials are now available: JPA Web Application in Eclipse JPA Web Application in NetBeans Java EE 6 (J2EE) in Eclipse Java EE 6 (J2EE) in NetBeans
Forum
22

Java EE JPA (GLassfish) tutorial throws ClassCastException

When launching the Guestbook tutorial for the second time (after a server restart) I get a ClassCastException: java.lang.ClassCastException: guest.Guest cannot be cast to guest.Guest The first time ... shows the objects I persisted. I followed the exact steps as described in the tutorial. Did I miss
Forum
22

the tutorial netbeans and javaee6 dont work,

hi . i am Mauro . i have tried the tutorial for the objectDB and netbeans and JAvaee6 I have insert the persistencex.ml like tutorial (for the embedded mode) . but when i have insert the name into form for to save the new guest into db , i get the following message from glassfsih:   HTTP Status 404
Forum
22

Unable to run NetBeans/JPA Web Application Tutorial

I followed each and every step of NetBeans/JPA Web Application Tutorial but when i am trying to run the web application the following error is prompted on the run console: Start is in progress ... downloading and running the tutorial, if following step by step doesn't work. pryashrma
Forum
22

Guestbook Tutorial (Eclipse/Glassfish)

I have the tutorial working which has been a great help in understanding how to use ObjectDB. I have found one problem. The database file (C:\glassfish3.1\glassfishv3\glassfish\domains\domain1\eclipseApps\Guestbook\WEB-INF\db\guests.odb) is reset on occasions; I am not sure what set of events