SRV.9.11 says the same thing in the 2.4 spec so it's still not defined
as of Tomcat 5 either.


--- Tim Funk <funkman@(protected):
> Also ... (From 2.3 spec)
>
> In SRV.1.2 What is a Servlet Container?
> ... "For example, high-end application servers may limit the creation
> of a
> Thread object, to insure that other components of the container are
> not
> negatively impacted."
>
> SRV.9.11 Web Application Environment
> ... "Such servlet containers should support this behavior when
> performed on
> threads created by the developer, but are not currently required to
> do so.
> Such a requirement will be added in the next version of this
> specification.
> Developers are cautioned that depending on this capability for
> application-created threads is nonportable."
>
> -Tim
>
> Shapira, Yoav wrote:
>
> > Howdy,
> > One thing to note is that a servlet container and a J2EE server are
> not
> > the same. Tomcat is the former but not the latter. Weblogic,
> > websphere, jboss, etc. are the latter. They implement the whole
> J2EE
> > spec which places more restrictions on thread creation by
> applications:
> > read the spec if you want the actual text (I don't remember if
> > off-hand).
> >
> > In a servlet containr, you can create your own threads. Just like
> in
> > other environments, you must be careful with how you manage them,
> > especially making sure they are appropriately terminated by your
> > application or by the JVM itself if they're daemons.
> >
> > Yoav Shapira
> > Millennium ChemInformatics
> >
> >
> >
> >>-----Original Message-----
> >>From: David Wall [mailto:d.wall@(protected)]
> >>Sent: Tuesday, December 30, 2003 12:15 PM
> >>To: tomcat-user@(protected)
> >>Subject: Threaded servlets okay in a compliant container?
> >>
> >>I recall reading that conformant servlets and such (EJBs?) do not
> >
> > create
> >
> >>their own threads, something about being a container issue.
> >>
> >>Does anybody know the primary objection to launching threads that
> take
> >>on a life of their own? The container doesn't really need to
> manage
> >
> > it,
> >
> >>per
> >>se.
> >>I suppose a container can drop servlet objects from memory, but as
> that
> >>wouldn't necessarily affect a daemon thread, it seems that doesn't
> harm
> >>launching them at startup, and of course the servlet could even
> stop
> >
> > the
> >
> >>threads when told to destroy itself if that makes sense.
> >>
> >>Does anybody know if most servlet containers today (Tomcat 4+,
> >
> > WebLogic,
> >
> >>WebSphere...) have a real problem with such new threads being
> created
> >
> > or
> >
> >>not? What would be the risk in my using them?
> >>
> >>I previously posted this by accident on the PostgreSQL JDBC list
> and I
> >
> > got
> >
> >>mixed answers. Some say it's fine, others say there's no spec
> saying
> >
> > such
> >
> >>threads can't be used, and others say that BEA complained about
> support
> >>issues related to apps that created their own threads.
> >>
> >>Any feedback is much appreciated.
> >>
> >>Thanks,
> >>David
> >>
> >>
>
>>---------------------------------------------------------------------
> >>To unsubscribe, e-mail: tomcat-user-unsubscribe@(protected)
> >>For additional commands, e-mail:
> tomcat-user-help@(protected)
> >
> >
> >
> >
> >
> > This e-mail, including any attachments, is a confidential business
> communication, and may contain information that is confidential,
> proprietary and/or privileged. This e-mail is intended only for the
> individual(s) to whom it is addressed, and may not be saved, copied,
> printed, disclosed or used by anyone else. If you are not the(an)
> intended recipient, please immediately delete this e-mail from your
> computer system and notify the sender. Thank you.
> >
> >
> >
> ---------------------------------------------------------------------
> > To unsubscribe, e-mail: tomcat-user-unsubscribe@(protected)
> > For additional commands, e-mail:
> tomcat-user-help@(protected)
> >
> >
> >
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: tomcat-user-unsubscribe@(protected)
> For additional commands, e-mail: tomcat-user-help@(protected)
>


__________________________________
Do you Yahoo!?
Find out what made the Top Yahoo! Searches of 2003
http://search.yahoo.com/top2003

---------------------------------------------------------------------
To unsubscribe, e-mail: tomcat-user-unsubscribe@(protected)
For additional commands, e-mail: tomcat-user-help@(protected)