cxf-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Jarek Gawor" <jga...@gmail.com>
Subject Re: Request/ResponseContext of JaxWsClientProxy
Date Fri, 11 May 2007 00:53:13 GMT
I talked to some Sun JAX-WS RI developers today at JavaOne and
although they were not 100% sure about this issue they were pretty
sure the request/response context properties are associated with the
proxy instance.

Jarek

On 5/5/07, Dan Diephouse <dan@envoisolutions.com> wrote:
> How does the RI do it?
> - Dan
>
> On 5/4/07, Daniel Kulp <dkulp@apache.org> wrote:
> >
> >
> > On Friday 04 May 2007 14:15, Jarek Gawor wrote:
> > > I have noticed that the RequestContext and ResponseContext of
> > > JaxWsClientProxy is associated with the thread and not the instance of
> > > the proxy. My understanding is that it should be associated with the
> > > instance but I can't find any specific documentation on this issue in
> > > the specs.
> >
> > I was afraid this issue was going to come up.  :-(
> >
> > Basically, there isn't a way to make the proxies thread safe without
> > making them ThreadLocals.   The main problem this causes is that one
> > thread cannot configure a global proxy that is then used on other
> > threads.   The configuration is lost.
> >
> > The ResponseContext really needs to be ThreadLocal.   It's the context
> > information for the last request.  If you have two threads making
> > requests, if it wasn't local, you'd have no idea what the response
> > correlated too.
> >
> > For the request, there are a few options:
> > 1) Keep it thread local - this is thread safe, but has the config issues.
> > 2) Have a "default" one that is used until the first invoke on a thread.
> > It then gets copied to the ThreadLocal.
> > 3) Make it non-local - this has other concurrency issues.
> >
> > Definitely something I'll need to noodle on a bit more to figure out all
> > the ramifications of the various options.
> >
> > --
> > J. Daniel Kulp
> > Principal Engineer
> > IONA
> > P: 781-902-8727    C: 508-380-7194
> > daniel.kulp@iona.com
> > http://www.dankulp.com/blog
> >
>
>
>
> --
> Dan Diephouse
> Envoi Solutions
> http://envoisolutions.com | http://netzooid.com/blog
>

Mime
View raw message