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Chart Engine Error on Websphere 6 [message #238842]

Fri, 18 May 2007 05:25

Eclipse User

Hi Everybody,
I have an unknow errror about Birt-Viewer
"java.lang.ClassCastException:java.lang.noClassDefFoundError ".
This ploblem happen when I deploy Birt-Viewer on IBM Websphere 6 in
Unix Server.
But on my IBM Websphere in Windows XP Birt-Viewer not show this error and
generate report and chart correctly.
I don't known why this error is happen because in Birt-Viewer 's
log show only process of birt-engine but not show any error.
If anyone have solution or reason for this ploblem such as Unix
config,Birt config,class and jar file or bug of birt (but I'm not sure).
I try to fix this ploblem for many times and I know that this
error occur only for chart report but I still cann't fix this ploblem.Tell
me please if you have a solution.
Thanks you very much,
Sudhlo

Re: Chart Engine Error on Websphere 6 [message #239067 is a reply to message #238842]

Mon, 21 May 2007 09:46

Eclipse User

What BIRT version are you using? Did you try upgrading to 2.1.2 or 2.1.3?

How did you deploy birt? As a WAR file or directory? Can you try the
alternative way?

Do you see any error in the installation log of websphere after you deployed
BIRT? Maybe some files have not been correctly deployed.

Thanks,

David

"Sudhlo" <sudhlo@yahoo.com> wrote in message
news:c2dd48cc69f69cb8c1ffc295b97ab3f4$1@www.eclipse.org...
> Hi Everybody,
> I have an unknow errror about Birt-Viewer
> "java.lang.ClassCastException:java.lang.noClassDefFoundError ". This
> ploblem happen when I deploy Birt-Viewer on IBM Websphere 6 in Unix
> Server. But on my IBM Websphere in Windows XP Birt-Viewer not show this
> error and generate report and chart correctly.
> I don't known why this error is happen because in Birt-Viewer 's
> log show only process of birt-engine but not show any error.
> If anyone have solution or reason for this ploblem such as Unix
> config,Birt config,class and jar file or bug of birt (but I'm not sure).
> I try to fix this ploblem for many times and I know that this error
> occur only for chart report but I still cann't fix this ploblem.Tell me
> please if you have a solution.
> Thanks you very much,
> Sudhlo
>

Re: Chart Engine Error on Websphere 6 [message #239164 is a reply to message #239067]

Tue, 22 May 2007 00:27

Eclipse User

Hi David,
For structure of my company, I only can deploy web project by WAR file.
Now I use Birt Version 2.1.2 and Birt-Viewer successfull start after
installed and Websphere not show any error while I run chart report. Now I
set birt 's log level to ALL, I will post the error to you in next time.
Thanks verymuch for your help,
Sudhlo

Re: Chart Engine Error on Websphere 6 [message #240047 is a reply to message #238842]

Mon, 28 May 2007 07:51

Eclipse User

Hi Everybody,
Now I know the reson for this case. I thinks many birt-user and every
birt-developer must know about this case but not have anyone tell me. Then
I try to use JFreeChart, I think it is very simple, small api, and very
eazy to use with a lot of user to tell you about ploblem and example. I
think JFreeChart is a good way to choose,
Thanks you

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