Re: [platform-help-dev] help server cannot resolve plugin-id

[Robert Krüger <krueger@xxxxxxxxxx>]

Hi Konrad,

thanks very much! That did it. I had not packaged the web application 
with my distributed plugin. Due to the error message I did not look for 
anything like that. Now it works.

So except for the exception being a little misleading (which you have 
already fixed) I think there is no need to file a bug report.

Have a nice day.

Regards,

Robert


Konrad Kolosowski wrote:
> Robert,
>
> WebappManager uses the following calls to Eclipse core to obtain real
> directory of the webapp:
>
> URL webappURL=IPluginDescriptor.find(path); // where path is new
> Path("web/deployment") in your case
> String webappLocation = Platform.resolve(webappURL).getFile();
>
> If the first line returns null, you get CoreException with the message.
> If the second line throws IOException you get CoreException with the
> message and original IOException.
> I have just changed the message to say that the path is not found (not the
> plug-in) and to differentiate between the two.
>
> My suggestions:
> Ensure the plug-in has finished initializing before you call
> WebappManager.start();
> Ensure the directory "web/deployment" exists (it is packaged correctly with
> the plug-in when run outside of PDE).
> Debugging WebappManager.getWebappPath() may be needed, but the problem does
> not show when run in PDE.  You can open a bug against PDE regarding
> different behavior, or open a bug against Help, and we will investigate or
> forward a bug where appropriate.  Just attach a sample plug-in(s), to
> reproduce the problem.
>
> Konrad Kolosowski
>
>
>
>                                                                            
>              Robert Krüger                                                 
>              <krueger@signal7.                                             
>              de>                                                        To 
>              Sent by:                  platform-help-dev@xxxxxxxxxxx       
>              platform-help-dev                                          cc 
>              -admin@xxxxxxxxxx                                             
>              g                                                     Subject 
>                                        [platform-help-dev] help server     
>                                        cannot resolve plugin-id            
>              01/05/2004 06:03                                              
>              AM                                                            
>                                                                            
>                                                                            
>              Please respond to                                             
>              platform-help-dev                                             
>                                                                            
>                                                                            
>
>
>
>
>
> Hi,
>
> I'm trying to use the help server to start a web application from within
> one of my plugins using the following code (which is called from an action)
>
> WebappManager.start(
>              WEBAPP_NAME,
>              descriptor.getUniqueIdentifier(),
>              new Path("web/deployment"));
>
> where "descriptor" is the instance of IPluginDescriptor which is handed
> to my plugin during initialization and the ID returned is correct as
> well. However, I get a CoreException with the message
>
> "Location of plug-in <my-correct-plug-in-id> cannot be resolved".
>
> The ID is correct and the Plug-in was obviously initialized as the code
> is called from an action my plugin contributes. What makes it even
> stranger is that this code works fine, when I run it in the PDE. The web
> application starts and serves requests under the correct location. This
> leads me to believe that the message in the CoreException thrown by the
> WebappManager is misleading as it seems to be something else.
>
> btw this behaviour has been the same from 3.0M4 - M6 (I'm not sure about
> earlier versions).
>
> I would be grateful for any hints.
>
> Regards,
>
> Robert
>
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