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preview error (only works first time)

sgarcia

Hello,
I am having a big problem with preview tab. when i access preview results in data set editor all data is ok, but when i press on preview tab only the first time is ok. If i want to refresh report eclipse show me an script error (Wrapped Cast Exception: proxy$ cannot be cast myClass).
I think that is a problem of classpath because the data is ok in data set editor.

So can you help me? I use JBoss 4.2.2GA version and i catch the data with EJB3+JPA. Where i need to put my class? (In eclipse/plugins/viewer?in jboss after create birt.war/web-inf?or where?

I have an app that uses JBoss and now i am developing a java "library" that connects my app with eclipse all-in-one report designer and launch eclipse programatically (put dataset and datasource programatically too).

I hope your news. thanks!!!

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mwilliams

Is your issue from the designer or with the deployed war file?

sgarcia

From the designer. I dont configure war yet. The problem is in the tab preview of BIRT eclipse report design.
How can i solve this problem? Classpath problem???? or jboss problem?

sgarcia

I need to solve this big problem. Can you help me?
I hope your news!!! Thanks a lot

mwilliams

Is your class file where you get your data from? Are you using a scripted dataSet?

sgarcia

I have proyectserver.jar (is the server part of app) with EJB3+Persistence and my class LibraryBirt (this class has the scriptdatasource and scriptdataset). I need my LibraryBirt connect with proyectserver.jar EJB and return the data of my DataBase. The first time i press preview tab all results is ok but second time (refresh report) i have an error (Wrapped cast java.lang... $proxy0 cannot be cast to proyect.server.class.ejb for example)(its a context problem??????or configuration problem????)

(Edit data set preview results is ok always).
where i need put the .jar proyectserver and LibraryBirt.jar??????

I need your help!! Thanks a lot

mwilliams

I'm searching the web for your error and came across a lot of stuff like this.

http://community.jboss.org/message/409267

You might take a look.