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 <[EMAIL PROTECTED]> 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:[EMAIL PROTECTED] > Sent: Thursday, December 23, 2004 5:11 AM > To: [EMAIL PROTECTED] > 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. > > > > This is an email from Fujitsu Australia Software > Technology Pty > Ltd, ABN 27 003 693 481. It is confidential to the > ordinary user of the > email address to which it was addressed and may > contain copyright and/or > legally privileged information. No one else may > read, print, store, copy > or forward all or any of it or its attachments. If > you receive this > email in error, please return to sender. Thank you. > > If you do not wish to receive commercial email > messages from > Fujitsu Australia Software Technology Pty Ltd, > please email > [EMAIL PROTECTED] > > > > __________________________________ Do you Yahoo!? Send holiday email and support a worthy cause. Do good. http://celebrity.mail.yahoo.com
