Should I add Jira about this?
After all, it is pretty pointless to have this symbol provider if it can't
work. (Perhaps there is some way to overcome this problem?)
- 99
Ulrich Stärk wrote:
>
> A Filter is passed a FilterConfig object where you can call
> getServletContext() and get the ServletContext. So the availability
> shouldn't be a problem. I rather believe that it doesn't get set in
> ApplicationGlobals until a certain point which is after building the
> SymbolSource...
>
> Uli
>
> Am Mo, 22.09.2008, 16:01, schrieb Peter Stavrinides:
>> Just a wild guess, but it sounds like an 'order of things' type problem,
>> Tapestry being a filter and not essentially a servlet, the context might
>> not be available at that point.
>>
>> ----- Original Message -----
>> From: "Ulrich Stärk" <[EMAIL PROTECTED]>
>> To: "Tapestry users" <users@tapestry.apache.org>
>> Sent: Monday, 22 September, 2008 4:51:23 PM GMT +02:00 Athens, Beirut,
>> Bucharest, Istanbul
>> Subject: NPE when trying to contribute ServletContextSymbolProvider to
>> SymbolSource (WAS: Re: Page pool hard limit and page instance usage)
>>
>> The problem seems to be, that the ServletContext provided by
>> ApplicationGlobals is null when Tapestry tries to contribute the
>> ServletContextSymbolProvider to the SymbolSource service. I don't know
>> why
>> this is the case. Maybe someone else can shed some light on this.
>>
>> Uli
>>
>> Am Mo, 22.09.2008, 08:08, schrieb 9902468:
>>>
>>> Hi again,
>>>
>>> I'm hitting my head to wall here with ServletContextSymbolProvider. It
>>> is
>>> configured like this:
>>>
>>> public static void
>>> contributeSymbolSource(OrderedConfiguration<SymbolProvider>
>>> configuration,
>>> @InjectService("ServletContextSymbolProvider") SymbolProvider
>>> servletContextSymbolProvider)
>>> {
>>> configuration.add("ServletContextSymbolProvider" ,
>>> servletContextSymbolProvider, "after:SystemProperties",
>>> "before:ApplicationDefaults");
>>> }
>>>
>>> public static ServletContextSymbolProvider
>>> buildServletContextSymbolProvider(ApplicationGlobals globals){
>>> return new
>>> ServletContextSymbolProvider(globals.getServletContext());
>>> }
>>>
>>> And it always ends to this error:
>>> java.lang.RuntimeException: Unable to instantiate class
>>> org.apache.tapestry5.services.TapestryModule as a module builder:
>>> Exception
>>> constructing service 'Alias': Error invoking service builder method
>>> org.apache.tapestry5.services.TapestryModule.buildAlias(Logger, String,
>>> AliasManager, Collection) (at TapestryModule.java:217) (for service
>>> 'Alias'): Exception constructing service 'SymbolSource': Error invoking
>>> constructor
>>> o
>
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