Mhhh the SessionCountListener is optional - keep that in mind - if a Session is 
restored this might cause issues but I am looking forward to see the final 
changes.

kind regards

Tobias

> Am 28.03.2016 um 09:28 schrieb Martin Grigorov <[email protected]>:
> 
> I've pushed a commit that I believe will help.
> I have to go out now, so I'll finish it in the afternoon.
> 
> Martin Grigorov
> Wicket Training and Consulting
> https://twitter.com/mtgrigorov
> 
> On Mon, Mar 28, 2016 at 9:25 AM, Tobias Soloschenko <
> [email protected]> wrote:
> 
>> Hi Martin,
>> 
>> thank you!
>> 
>> kind regards
>> 
>> Tobias
>> 
>>> Am 28.03.2016 um 09:15 schrieb Martin Grigorov <[email protected]>:
>>> 
>>> Hi Tobias,
>>> 
>>> I haven't tested it with two .war files yet but I can see how to break
>> this
>>> approach too: add two Wicket applications in the same .war, i.e. two
>>> <filter>s for two different applications.
>>> The env-entry is shared for all servlets/filters in the .war.
>>> 
>>> I'll try to rework it to use the ServletContext now.
>>> 
>>> Martin Grigorov
>>> Wicket Training and Consulting
>>> https://twitter.com/mtgrigorov
>>> 
>>> On Mon, Mar 28, 2016 at 7:51 AM, Tobias Soloschenko <
>>> [email protected]> wrote:
>>> 
>>>> Update:
>>>> 
>>>> I finally got it working for me:
>> https://github.com/klopfdreh/wicket/commit/dda71c9e5ce5135993df0ea85450d232f14e53c5
>>>> 
>>>> @Martin: Would be able to also test it with two or more applications
>>>> running on the same server?
>>>> 
>>>> In your MetricsServlet.ContextListener you could easily write
>>>> WicketMetrics.getMetricsRegistry() - The detection which application
>> should
>>>> be shipped is handled if you set up environment entries in each project.
>>>> (see commit)
>> https://dropwizard.github.io/metrics/3.1.0/manual/servlets/#manual-servlets
>>>> 
>>>> kind regards
>>>> 
>>>> Tobias
>>>> 
>>>> Am 27.03.16 um 13:12 schrieb Martin Grigorov:
>>>> 
>>>> Hi,
>>>>> 
>>>>> The problem with -Dwicket.metrics.applicationName and the static
>> variables
>>>>> approach is that both cannot be used if you have two Wicket
>> applications
>>>>> in
>>>>> the web server.
>>>>> 
>>>>> There is no need to implement a custom Servlet. metrics-servlet already
>>>>> provides it. We just have to make the MetricsRegistry available in the
>>>>> ServletContext (attribute
>>>>> "com.codahale.metrics.servlets.MetricsServlet.registry")
>>>>> 
>>>>> Martin Grigorov
>>>>> Wicket Training and Consulting
>>>>> https://twitter.com/mtgrigorov
>>>>> 
>>>>> On Sat, Mar 26, 2016 at 2:34 AM, Tobias Soloschenko <
>>>>> [email protected]> wrote:
>>>>> 
>>>>> Hi,
>>>>>> 
>>>>>> I would prefer to stay by the Application.get(String) /
>> Application.get()
>>>>>> / static because it is more Independent and not bound to the webapp
>>>>>> lifecycle. Currently we only rely on the servlet stuff in one metric -
>>>>>> which is at least not required. Even in Wicket itself you should not
>>>>>> access
>>>>>> the HttpSession itself.
>>>>>> 
>>>>>> But this is only my opinion - let us hear other suggestions.
>>>>>> 
>>>>>> Maybe it is a good idea to implement a defaul servlet which can be
>>>>>> configured and exposes the metrics / registry via http get - which
>> uses
>>>>>> the
>>>>>> dropwizard metric servlet.
>>>>>> 
>>>>>> kind regards
>>>>>> 
>>>>>> Tobias
>>>>>> 
>>>>>>> Am 25.03.2016 um 22:51 schrieb Martin Grigorov <[email protected]
>>> :
>>>>>>> 
>>>>>>> Just moments after sending the mail I recalled that DropWizard
>> provides
>>>>>>> something similar:
>>>>>>> https://dropwizard.github.io/metrics/3.1.0/manual/servlets/
>>>>>>> So there is no need of a custom IResource.
>>>>>>> We just have to make it easier to lookup the MetricsRegistry from
>>>>>>> MetricsServlet - via the ServletContext.
>>>>>>> 
>>>>>>> I wonder whether the ServletContext solution could be used instead of
>>>>>>> the
>>>>>>> Application#get(String) and static variable fallbacks. I.e. somehow
>> to
>>>>>> get
>>>>>> 
>>>>>>> a reference to ServletContext in Session#onInvalidate().
>>>>>>> 
>>>>>>> Martin Grigorov
>>>>>>> Wicket Training and Consulting
>>>>>>> https://twitter.com/mtgrigorov
>>>>>>> 
>>>>>>> On Fri, Mar 25, 2016 at 10:48 PM, Martin Grigorov <
>> [email protected]
>>>>>>> wrote:
>>>>>>> 
>>>>>>> Hi Tobias,
>>>>>>>> 
>>>>>>>> Inspired by
>>>>>>>> https://github.com/jooby-project/jooby/tree/master/jooby-metrics I
>>>>>>> think
>>>>>> 
>>>>>>> it would be nice if wicket-metrics provides a IResource that renders
>>>>>>> JSON
>>>>>> 
>>>>>>> with the current metrics per type/aspect.
>>>>>>>> I.e. if /wicket/metrics/ is requested then it dumps something like:
>>>>>>>> 
>>>>>>>> {
>>>>>>>> "SomeTimerAspect" : {min:.., max:..., mean:..., ...},
>>>>>>>> ...
>>>>>>>>  "SomeCounterAspect" : {value:..},
>>>>>>>>  ...
>>>>>>>> }
>>>>>>>> 
>>>>>>>> When /wicket/metrics/SomeCounterAspect is requested then :
>>>>>>>> {"value": ...}
>>>>>>>> is rendered.
>>>>>>>> 
>>>>>>>> Do you think it is a good idea ?
>>>>>>>> 
>>>>>>>> It will be useful for quicker checks of the current state.
>>>>>>>> 
>>>>>>>> The application will have to mount it explicitly in MyApp#init().
>>>>>>>> 
>>>>>>>> 
>>>>>>>> Martin Grigorov
>>>>>>>> Wicket Training and Consulting
>>>>>>>> https://twitter.com/mtgrigorov
>> 

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