Re: Help with dashboard widget

Thanks Nathan!

Thats really helpful. :)

-T
On Tue, Dec 1, 2009 at 1:14 AM, Nathan Russell
<[email protected]>wrote:

>
> At last I have found the answer to my question - for anyone wanting to
> write
> a widget, you need to deploy it below the dashboard web apps WEB-INF folder
> structure. I was thinking I could simply put it within CC's main lib
> folder,
> but no such luck!
>
> /usr
>    /share
>        /cruisecontrol
>            /lib        <- dont put the jar here, dashboard wont find it :(
>            /webapps
>                /dashboard
>                    /WEB-INF
>                       /lib    <- put the jar here, or in the correct folder
> structure under classes
>
> Doh! :)
> Never mind, hopefully this will help someone else someday
>
>
> Nathan Russell wrote:
> >
> > Hi,
> >
> > Wonder if anyone can help with something. I am trying to write a new
> > dashboard widget. I've found a couple of pages on the web
> > (http://cruisecontrol.sourceforge.net/widgets.html and
> > http://www.nabble.com/Dashboard-PMD-widget...-td11127239.html), and
> > looked up the source of the dashboard widgets as shipped with CC. Using
> > these resources, I've written the following:
> >
> >
> >
> > import
> > net.sourceforge.cruisecontrol.dashboard.widgets.AbstractXslOutputWidget;
> >
> > import net.sourceforge.cruisecontrol.dashboard.widgets.Widget;
> >
> >
> >
> > public class VerifyIFPDashboardWidget extends AbstractXslOutputWidget
> > implements Widget {
> >
> >
> >
> >       public String getDisplayName() {
> >
> >             return "Verify IFP Results";
> >
> >       }
> >
> >
> >
> >       public String getXslPath() {
> >
> >             return "/webapps/cruisecontrol/xsl/verifyIFP.xsl";
> >
> >       }
> >
> >
> >
> > }
> >
> >
> >
> > (instead of extending AbstractXslOutputWidget I have also tried writing
> > my own 'public Object getOutput(Map parameters)' method. Both give the
> > same result)
> >
> >
> >
> > I've told CC about my new widget by adding it in dashboard-config.xml:
> >
> >         <subtabs>
> >
> >             <subtab
> > class="net.sourceforge.cruisecontrol.dashboard.widgets.ErrorsAndWarnings
> > MessagesWidget" />
> >
> >             <subtab class="VerifyIFPDashboardWidget" />
> >
> >         </subtabs>
> >
> >
> >
> > I then restart CC. If I try to use dashboard with a browser, I see my
> > list of projects; but then when I try to click on one (to see the screen
> > with the tabs, and hopefully my new one), I get the following stack
> > trace:
> >
> >
> > HTTP ERROR: 500
> >
> > argument type mismatch
> >
> > RequestURI=/dashboard/tab/build/detail/projectA
> >
> >
> > Caused by:
> >
> > java.lang.IllegalArgumentException: argument type mismatch
> >         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >         at
> > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
> > a:39)
> >         at
> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
> > Impl.java:25)
> >         at java.lang.reflect.Method.invoke(Method.java:585)
> >         at
> > org.springframework.web.servlet.mvc.multiaction.MultiActionController.in
> > vokeExceptionHandler(MultiActionController.java:646)
> >         at
> > org.springframework.web.servlet.mvc.multiaction.MultiActionController.ha
> > ndleException(MultiActionController.java:616)
> >         at
> > org.springframework.web.servlet.mvc.multiaction.MultiActionController.in
> > vokeNamedMethod(MultiActionController.java:451)
> >         at
> > org.springframework.web.servlet.mvc.multiaction.MultiActionController.ha
> > ndleRequestInternal(MultiActionController.java:384)
> >         at
> > org.springframework.web.servlet.mvc.AbstractController.handleRequest(Abs
> > tractController.java:153)
> >         at
> > org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handl
> > e(SimpleControllerHandlerAdapter.java:48)
> >         at
> > org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherS
> > ervlet.java:858)
> >         at
> > org.springframework.web.servlet.DispatcherServlet.doService(DispatcherSe
> > rvlet.java:792)
> >         at
> > org.springframework.web.servlet.FrameworkServlet.processRequest(Framewor
> > kServlet.java:476)
> >         at
> > org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.
> > java:431)
> >         at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
> >         at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
> >         at
> > org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
> >         at
> > org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
> >         at
> > org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:2
> > 16)
> >         at
> > org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
> >         at
> > org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:729)
> >         at
> > org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
> >         at
> > org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandler
> > Collection.java:206)
> >         at
> > org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.jav
> > a:114)
> >         at
> > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> >         at org.mortbay.jetty.Server.handle(Server.java:324)
> >         at
> > org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
> >         at
> > org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConne
> > ction.java:829)
> >         at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:513)
> >         at
> > org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
> >         at
> > org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
> >         at
> > org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:
> > 395)
> >         at
> > org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java
> > :488)
> >
> > Powered by Jetty:// <http://jetty.mortbay.org/>
> >
> > (The same stack trace is in the CC log file)
> >
> >
> >
> >
> >
> > What have I done wrong? Any ideas?
> >
> > Cheers
> >
> >
> >
> > Nathan
> >
> >
> >
> >
> >
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>
>
>
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-- 

Tks,
-T

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