Re: [PSS] quick question

Thanks Ramsey,

Yes, something funky is going on inside that ajax component. I'll pare
back the components and diagnose the problem.

Thanks again for your help and pointers.


-- 
Matt

http://logicsquad.net/


> Hi Matt,
>
> I didn't see the problem, but that doesn't mean it isn't happening. I'll
> copy the list in case others might have some feedback. In my testing on
> ERModern, I didn't have the problem and that uses Ajax and
> ERXResponseRewriter.
>
> The ContextObserver is not serializable. There's no reason it needs to be
> serialized. The ContextObserver is only there to reset the top index for
> Ajax calls.  The reason it is stuffed into the context dictionary is to
> ensure it isn't garbage collected before it can do that.  It removes
> itself from the dictionary and throws itself away after it completes the
> job.  So it shouldn't be in the context dictionary anymore by the time the
> session is serializing.
>
> It sounds like it isn't getting called at the end of the request, or the
> session is being serialized before the notification is fired.
>
> If you can repeat the issue consistently, try removing the PSS framework
> and see if the notification is fired.  If the notification isn't firing,
> then that's the problem :-)
>
> If it is firing, but after session check in, then the problem is that the
> notification isn't fired soon enough.  Just glancing at
> ERXComponentRequestHandler, it looks like this is probably it. In that
> case, it needs to listen for a different notification that will be fired
> before the session is serialized. Probably session sleep notification.
>
> Ramsey
>
> On Jul 24, 2012, at 10:24 PM, Matthew Ness wrote:
>
>> G'day Ramsey,
>>
>> Sorry to bother you off list like this, I have a very quick question
>> about
>> your new PSS framework.
>>
>> Firstly, thank you very much for the talk at WOWODC, I appreciated it
>> very
>> much. I am trialling PSS in an app at my 9-5 job, and coming across a
>> few
>> small doozies.
>>
>> I have the latest PSS and ERExtensions frameworks from the Integration
>> build, and the rest are the latest from the master build. I'm getting a
>> java.io.NotSerializableException on
>> the inner class ContextObserver of the class
>> er.extensions.appserver.ERXResponseRewriter.
>>
>> So, sorry to bother you, but have you been down that particular road
>> before? If not, no dramas of course! I'm trying to get this running on a
>> component-based app, and the error is thrown during an Ajax request.
>>
>>
>> Start of stack trace :
>>
>> Jul 25 15:05:36 [Appname][33733] WARN  NSLog  -
>> <er.ajax.AjaxRequestHandler>: Exception occurred while handling request:
>> com.webobjects.foundation.NSForwardException
>> [java.io.NotSerializableException]
>> er.extensions.appserver.ERXResponseRewriter$ContextObserver
>> 	- element of array (index: 2)
>> 	- array (class "[Ljava.lang.Object;", size: 4)
>> 	- field (class "com.webobjects.foundation.NSDictionary", name:
>> "objects",
>> type: "class [Ljava.lang.Object;")
>> 	- custom writeObject data (class
>> "com.webobjects.foundation.NSDictionary")
>> 	- object (class "com.webobjects.foundation.NSMutableDictionary",
>> {ERXResponseRewriter.addedResources = ("Ajax.calendar.css",
>> "Ajax.date.js", "Ajax.prototype.js", "null.Appname.css",
>> "Ajax.effects.js", "null.Appname.js", "Ajax.calendar.js",
>> "null.chosen/chosen.css", "Ajax.wonder.js", "null.msg.css");
>> _originalContextID = "4"; ERXResponseRewriter.contextObserver =
>> er.extensions.appserver.ERXResponseRewriter$ContextObserver@7935c7b0;
>> ERXResponseRewriter.topIndex = 306; })
>>
>>
>> Thanks again,
>>
>> --
>> Matt
>>
>> http://logicsquad.net/
>>
>>
>>
>
>



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