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From Remy Maucherat <r...@apache.org>
Subject Re: Question: Strange Session Remove Attribute
Date Sun, 03 Apr 2005 20:53:36 GMT
Bill Barker wrote:
>> Hey
>>
>> I have review the getIdInteral changes. At expire (StandardSession, 
>> DeltaSession) we send first the "SessionDestory events" and after this 
>> the "Remove Session Attribute" events. Before we send the remove 
>> attribute events the session set to invalid. Hmm: Why we do that? I 
>> have read the spec 2.4 but I can find a hint. With this handling 
>> nobody can access the getId without IllegalStateException in a 
>> HttpSessionBindingListener or HttpSessionAttributeListener! That I 
>> can't find this very nice?
> 
> What can I say, we needed to generate more BZ reports to mark as INVALID 
> ;-).

The tester actually has example code of using getId in a 
HttpSessionAttributeListener to get an ISE.

>> Can anyone explain this session event handling?
> 
> There was just a long discussion of this.  For the details, check the 
> list archives.  The short version is that it's mandated by section 
> 15.1.7 + Errata 
> (http://jcp.org/aboutJava/communityprocess/maintenance/jsr154/154errata.txt). 

(maybe I shouldn't have mentioned it, as Jan didn't appear to have 
noticed it before: I may have started the trouble ...)

Rémy

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