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From Rajdeep Dua <dua_rajd...@yahoo.com>
Subject RE: Web Service with state
Date Thu, 23 Dec 2004 10:08:03 GMT
I had asked this question yesterday also.
Wanted to know why the J2EE and JAX-RPC specs talk
about web service to be represented using stateles
components when there can be several instances of
usage for a stateful usage
--- Merten Schumann <Merten.Schumann@asg.com> wrote:

> Yes, in fact in J2EE 1.4 only stateless session
> beans (not statefull
> ones) can expose their interface as web service.
> But, the quotation was
> not that implementation specific, it was "web
> service has to be
> state-less" and this is not true IMHO. I do maintain
> "global state" in
> my web service (just static variables right now)
> which could be accessed
> by any SLSB instance within the same JVM. Works for
> EJB way (SLSB) and
> JAX-RPC way.
>  
> cu
>    Merten
> 
> 
> ________________________________
> 
> 	From: Peter Smith
> [mailto:peters@fast.fujitsu.com.au] 
> 	Sent: Thursday, December 23, 2004 5:11 AM
> 	To: axis-user@ws.apache.org
> 	Subject: Re: Web Service with state
> 	
> 	
> 	
> 	
> 
> 			Have read that web service has to be state-less.
> Why is that?
> 			    
> 
> 		
> 		Where did you read that?
> 		Maybe it's a hint which should be followed if
> possible,
> but nothing more
> 		IMHO.
> 		  
> 
> 	
> 	From J2EE1.4 web services point of view this is not
> a "hint" at
> all....
> 	
> 	See "Web Services for J2EE, Version 1.0" (aka
> JSR-109 for
> J2EE1.4) [ref
> http://www.jcp.org/en/jsr/detail?id=109]
> 	
> 	[section 5.3.2.1 EJB Container programming model] A
> Service
> implementation bean *must* be a stateless object
> 	
> 	[section 5.3.2.2 Web Container programming model] A
> Service
> implementation *must* be a stateless object
> 	
> 	and [section 1.4 document conventions] "MUST"
> meaning is from
> RFC 2119 [ref http://www.faqs.org/rfcs/rfc2119.html]
> meaning "absolute
> requirement of the specification"
> 	
> 	Peter.
> 	
> 	  
> 
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