What is the defaultSource parameter for?  Are you using
prop:defaultSource or inherit:defaultSource?  The latter could cause
your NPE.

On Mon, Jan 19, 2009 at 8:22 AM, Yunhua Sang <yunhua.s...@gmail.com> wrote:
> Hi Howard,
>
> I am sorry for this late message; source are as below:
>
> public class EntityGrid extends Grid {
>
>    @Inject
>    private EntityProvider entityProvider;
>
>    @Parameter(required = true, defaultPrefix = "literal")
>    private String ejbql;
>
>    @Parameter("defaultSource")
>    private GridDataSource source;
>
>    public GridDataSource getDefaultSource() {
>        return new EntityProviderDataSource(entityProvider, ejbql);
>    }
>
> }
>
> Thanks!
> Yunhua
>
> On Fri, Jan 16, 2009 at 7:06 PM, Howard Lewis Ship <hls...@gmail.com> wrote:
>> I would be useful to see some of the code of EntityGrid.
>>
>> On Fri, Jan 16, 2009 at 3:22 PM, Yunhua Sang <yunhua.s...@gmail.com> wrote:
>>> The exception is NPE,
>>>
>>> On Fri, Jan 16, 2009 at 5:42 PM, Howard Lewis Ship <hls...@gmail.com> wrote:
>>>> There shouldn't be a change there. What is the exception (you only
>>>> included the stack trace).
>>>>
>>>> On Fri, Jan 16, 2009 at 2:01 PM, Yunhua Sang <yunhua.s...@gmail.com> wrote:
>>>>> Hello,
>>>>>
>>>>> Is SetupRender phase changed to be in front of parameters binding in
>>>>> 5.1.0.0-SNAPSHOT?
>>>>>
>>>>> I have a EntityGrid  component which is a sub-class of Grid and
>>>>> providing its own GridDataSource; it worked well with 5.0.18. Today I
>>>>> tried the snapshot but got following exceptions:
>>>>>
>>>>> org.apache.tapestry5.corelib.components.Grid$CachingDataSource.getAvailableRows(Grid.java:324)
>>>>> org.apache.tapestry5.corelib.components.Grid.setupDataSource(Grid.java:484)
>>>>> org.apache.tapestry5.corelib.components.Grid.setupRender(Grid.java:468)
>>>>> org.apache.tapestry5.corelib.components.Grid.setupRender(Grid.java)
>>>>> org.apache.tapestry5.internal.structure.ComponentPageElementImpl$SetupRenderPhase.invokeComponent(ComponentPageElementImpl.java:177)
>>>>> org.apache.tapestry5.internal.structure.ComponentPageElementImpl$AbstractPhase.run(ComponentPageElementImpl.java:157)
>>>>> org.apache.tapestry5.internal.structure.ComponentPageElementImpl.invoke(ComponentPageElementImpl.java:970)
>>>>> org.apache.tapestry5.internal.structure.ComponentPageElementImpl.access$400(ComponentPageElementImpl.java:50)
>>>>> org.apache.tapestry5.internal.structure.ComponentPageElementImpl$AbstractPhase.callback(ComponentPageElementImpl.java:152)
>>>>> org.apache.tapestry5.internal.structure.ComponentPageElementImpl$SetupRenderPhase.render(ComponentPageElementImpl.java:182)
>>>>> org.apache.tapestry5.internal.services.RenderQueueImpl.run(RenderQueueImpl.java:74)
>>>>> org.apache.tapestry5.internal.services.PageRenderQueueImpl.render(PageRenderQueueImpl.java:121)
>>>>> $PageRenderQueue_11ee15ba809.render($PageRenderQueue_11ee15ba809.java)
>>>>> $PageRenderQueue_11ee15ba800.render($PageRenderQueue_11ee15ba800.java)
>>>>> org.apache.tapestry5.services.TapestryModule$20.renderMarkup(TapestryModule.java:1239)
>>>>> org.apache.tapestry5.services.TapestryModule$30.renderMarkup(TapestryModule.java:1606)
>>>>> $MarkupRenderer_11ee15ba80b.renderMarkup($MarkupRenderer_11ee15ba80b.java)
>>>>> org.apache.tapestry5.services.TapestryModule$29.renderMarkup(TapestryModule.java:1587)
>>>>> $MarkupRenderer_11ee15ba80b.renderMarkup($MarkupRenderer_11ee15ba80b.java)
>>>>> org.apache.tapestry5.services.TapestryModule$28.renderMarkup(TapestryModule.java:1569)
>>>>> $MarkupRenderer_11ee15ba80b.renderMarkup($MarkupRenderer_11ee15ba80b.java)
>>>>> org.apache.tapestry5.services.TapestryModule$27.renderMarkup(TapestryModule.java:1551)
>>>>> $MarkupRenderer_11ee15ba80b.renderMarkup($MarkupRenderer_11ee15ba80b.java)
>>>>> org.apache.tapestry5.services.TapestryModule$26.renderMarkup(TapestryModule.java:1521)
>>>>> $MarkupRenderer_11ee15ba80b.renderMarkup($MarkupRenderer_11ee15ba80b.java)
>>>>> $MarkupRenderer_11ee15ba808.renderMarkup($MarkupRenderer_11ee15ba808.java)
>>>>> org.apache.tapestry5.internal.services.PageMarkupRendererImpl.renderPageMarkup(PageMarkupRendererImpl.java:64)
>>>>> $PageMarkupRenderer_11ee15ba806.renderPageMarkup($PageMarkupRenderer_11ee15ba806.java)
>>>>> org.apache.tapestry5.internal.services.PageResponseRendererImpl.renderPageResponse(PageResponseRendererImpl.java:61)
>>>>> $PageResponseRenderer_11ee15ba79c.renderPageResponse($PageResponseRenderer_11ee15ba79c.java)
>>>>> org.apache.tapestry5.internal.services.PageRenderRequestHandlerImpl.handle(PageRenderRequestHandlerImpl.java:63)
>>>>> org.apache.tapestry5.services.TapestryModule$36.handle(TapestryModule.java:1805)
>>>>> $PageRenderRequestHandler_11ee15ba79d.handle($PageRenderRequestHandler_11ee15ba79d.java)
>>>>> $PageRenderRequestHandler_11ee15ba78b.handle($PageRenderRequestHandler_11ee15ba78b.java)
>>>>> org.apache.tapestry5.internal.services.PageRenderDispatcher.process(PageRenderDispatcher.java:115)
>>>>> org.apache.tapestry5.internal.services.PageRenderDispatcher.dispatch(PageRenderDispatcher.java:94)
>>>>> $Dispatcher_11ee15ba793.dispatch($Dispatcher_11ee15ba793.java)
>>>>> $Dispatcher_11ee15ba789.dispatch($Dispatcher_11ee15ba789.java)
>>>>> org.apache.tapestry5.services.TapestryModule$18.service(TapestryModule.java:1061)
>>>>> org.cihi.apricot.services.AppModule$2.service(AppModule.java:132)
>>>>> $RequestHandler_11ee15ba78a.service($RequestHandler_11ee15ba78a.java)
>>>>>
>>>>> ...
>>>>>
>>>>> It looks like the parameter source is not bound in setupRender phase
>>>>> (other parameters not bound too).
>>>>>
>>>>> Thanks,
>>>>> Yunhua
>>>>>
>>>>> ---------------------------------------------------------------------
>>>>> To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org
>>>>> For additional commands, e-mail: users-h...@tapestry.apache.org
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Howard M. Lewis Ship
>>>>
>>>> Creator Apache Tapestry and Apache HiveMind
>>>>
>>>> ---------------------------------------------------------------------
>>>> To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org
>>>> For additional commands, e-mail: users-h...@tapestry.apache.org
>>>>
>>>>
>>>
>>> ---------------------------------------------------------------------
>>> To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org
>>> For additional commands, e-mail: users-h...@tapestry.apache.org
>>>
>>>
>>
>>
>>
>> --
>> Howard M. Lewis Ship
>>
>> Creator Apache Tapestry and Apache HiveMind
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org
>> For additional commands, e-mail: users-h...@tapestry.apache.org
>>
>>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org
> For additional commands, e-mail: users-h...@tapestry.apache.org
>
>



-- 
Howard M. Lewis Ship

Creator Apache Tapestry and Apache HiveMind

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