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Message-ID: <20041217081058.81408.qmail@web52808.mail.yahoo.com>
Date: Fri, 17 Dec 2004 00:10:58 -0800 (PST)
From: "Kibaya E." <ekibaya@yahoo.com>
Subject: Unable to deploy typemapping error
To: axis-user@ws.apache.org
In-Reply-To: <F0D7281DAB048B438E8F5EC4ECEFBDDC13F30D@esmail.elsag.de>
MIME-Version: 1.0
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Hi there,
Iam running into this error after specifying the
typemapping the typemapping for serialising and
deserializing the r
--- Martin Heitz <Martin.Heitz@Elsag-Solutions.com>
wrote:

> Thanks. Geez - that was a quick answer and right
> then when I needed it
> :-)
>  
> I'll give valueComplete a try after source reading
> ;-)
>  
> Best regards from Black Forrest,
>    Mattin
>  
> P.S. If s.o. is interested in the simple pool code I
> can post some code
> excerpts here...
> 
> 	-----Original Message-----
> 	From: tony.q.weddle@gsk.com
> [mailto:tony.q.weddle@gsk.com] 
> 	Sent: Thursday, December 16, 2004 5:27 PM
> 	To: axis-user@ws.apache.org
> 	Subject: RE: Serializer- and Deserializer-objects
> multi-threaded?
> 	
> 	
> 
> 	Well, there is a valueComplete() method that you
> could override.
> In the body of the method, call
> super.valueComplete() and then "release"
> your deserializer back into the pool.
> 	
> 	If you haven't already done so, it's a good idea to
> download the
> source for Axis. Then you'll be able to investigate
> what is going on,
> which can help you come up with strategies for your
> design. 
> 	
> 	Tony 
> 	
> 	"Martin Heitz" <Martin.Heitz@Elsag-Solutions.com>
> wrote on
> 16/12/2004 15:58:03:
> 	
> 	> Hi, 
> 	>   
> 	> I did a similar approach with not only pooling
> the
> SimpleDateFormats
> 	> but complete Deserializers. 
> 	> Now I recognize, that returning a complete
> Deserializer to its
> pool 
> 	> in the "onEndElement" method is a bad choice,
> because its
> value was 
> 	> not yet retrieved. 
> 	> Is it assured that getValue is called always?
> Then I could
> return 
> 	> the deserializer to the pool there (if some of
> them get lost
> because
> 	> of parsing exceptions it does not harm my simple
> pool 
> 	> implementation, the pool is just used to reuse
> existing
> objects, but
> 	> new ones will be created if it is empty). 
> 	>   
> 	> Best regards and thanks for your hints and ideas,
> 
> 	>    Mattin 
> 	> -----Original Message-----
> 	> From: tony.q.weddle@gsk.com
> [mailto:tony.q.weddle@gsk.com] 
> 	> Sent: Tuesday, December 14, 2004 1:55 PM
> 	> To: axis-user@ws.apache.org
> 	> Subject: RE: Serializer- and Deserializer-objects
> multi-threaded?
> 	
> 	> 
> 	> The deserializer factory creates the
> deserializer. You could
> have 
> 	> the deserializer factory set the date format
> object on the 
> 	> deserializer, before it gets returned o Axis to
> use for 
> 	> deserializing. In this way, the deserializer
> factory could
> maintain 
> 	> a list of SimpleDateFormat objects, marking each
> in use, as it
> is 
> 	> set in a deserializer. You'd have to figure out
> how to mark
> the 
> 	> object as no longer in use, perhaps by code in
> the
> onEndElement() 
> 	> method in the deserializer. 
> 	> 
> 	> I guess you could re-use complete deserializers
> in this way. 
> 	> 
> 	> Tony 
> 	> 
> 	> "Martin Heitz" <Martin.Heitz@Elsag-Solutions.com>
> wrote on 
> 	> 14/12/2004 12:30:13:
> 	> 
> 	> > Hi, 
> 	> >   
> 	> > thanks for your answers. 
> 	> > The reason for asking this is, that I have
> (de)serializers
> for a 
> 	> > composed type which does not have a default
> constructor. So
> I need 
> 	> > (as far as I understand the concept) at least a
> deserializer
> for 
> 	> > rebuilding the object. One of the attributes of
> the object
> has the 
> 	> > type dateTime, so I have a SimpleDateFormat to
> parse this.
> Sorrowly 
> 	> > the SimpleDateFormat is quite expensive to
> create, so I do
> not want 
> 	> > to create one for each parse process, but have
> a
> SimpleDateFormat 
> 	> > class member in the deserializer to reuse it. 
> 	> > Now the second "but": But the SimpleDateFormat
> is not
> thread-safe, 
> 	> > it rarely occurrs that a runtime exception is
> thrown or that
> dates 
> 	> > are not formatted correctly. 
> 	> > If the deserializer is not used by multiple
> threads
> simultaneously I
> 	> > do not have an issue here, but if it is shred I
> run into
> trouble.' 
> 	> >   
> 	> > If - as Brian J. Sayatovic writes - Axis gets a
> new instance
> each 
> 	> > time from the factories my idea of improving
> performance by
> having a
> 	> > SimpleDateFormat as class mebmber does not help
> anyway :-( 
> 	> >   
> 	> > Best regards from sunny Black Forrest, Germany,
> 
> 	> >    Mattin 
> 	> >   
> 	> >  -----Original Message-----
> 	> > From: tony.q.weddle@gsk.com
> [mailto:tony.q.weddle@gsk.com] 
> 	> > Sent: Tuesday, December 14, 2004 12:26 PM
> 	> > To: axis-user@ws.apache.org
> 	> > Subject: Re: Serializer- and
> Deserializer-objects
> multi-threaded?
> 	> 
> 	> > 
> 	> > I've never seen any reference to threads in
> descriptions of 
> 	> > serializers and deserializers (Axis 1.1).
> Certainly, the 
> 	> > BeanSerializer has no special code for handling
> multiple
> threads, 
> 	> > that I can see. It looks as though a new
> serializer/deserializer is 
> 	> > created, from the factory, each time a type
> needs to be
> processed in
> 	> > the message. In any case, I can't quite see why
> you'd want
> to store 
> 	> > state between calls to the serializer or
> deserializer, or
> store 
> 	> > state in the de/serializer whilst processing a
> call.
> 	> > 
> 	> > Tony 
> 	> > 
> 	> > "Martin Heitz"
> <Martin.Heitz@Elsag-Solutions.com> wrote on 
> 	> > 14/12/2004 10:55:38:
> 	> > 
> 	> > > Hi,
> 
=== message truncated ===


=====
KIBAYA ERISANIA 
Msc. Computer Science 
Hunan University, 
Yuelushan, Changsha, Hunan 410082 
P.R China 
Tel:0086 731 8649349
Mob: 0086 13975103460 
E-Mial: ekibaya@yahoo.com
http://www.ekibs.psend.com
 
Sites of interest
http://groups.yahoo.com/group/usac/
http://www.ugandaobserver.com 


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