Not sure how OT this question is.
My current plan (unless this is bad for some reason, but if so, Ted H
should change his example app :-) is to stash the hibernate Session for
a user into his httpSession, and reuse it on each request.
A Hibernate Session instance isn't threadsafe. I imagine if tw
TED]
Sent: Thursday, 18 December 2003 15:56
To: 'Struts Users Mailing List'
Subject: Are httpSessions thread safe?
Not sure how OT this question is.
My current plan (unless this is bad for some reason, but if so, Ted H
should change his example app :-) is to stash the hibernate Session fo
t; Garthop unsafeObject = (Garthop)session.getAttribute(THE_GARTHOP);
> synchronized(unsafeObject)
> {
> garthop.nargle();
> }
>
>
>
>
> -Original Message-
> From: Joe Hertz [mailto:[EMAIL PROTECTED]
> Sent: Thursday, 18 December 2003 15:56
> To: '
At 4:09 PM +0800 12/18/03, Andrew Hill wrote:
The sessions essentially just a sort of Map. Access to it may be threadsafe,
but the stuff thats in it is another matter entirely. Multiple requests
associated with the same session will execute simultaneously.
There's nothing in the specs that guarante
Hertz" <[EMAIL PROTECTED]>
To: "'Struts Users Mailing List'" <[EMAIL PROTECTED]>
Sent: Wednesday, December 17, 2003 11:56 PM
Subject: Are httpSessions thread safe?
> Not sure how OT this question is.
>
> My current plan (unless this is bad for some reaso
Synchronizing on the session object may cause you all sorts of grief...or it may
not. It all depends on your container. The spec makes no guarantees about the
identity of the object returned by methods like PageContext.getSession or
HttpServletRequest.getSession. For example, here's a test JSP:
<%
List" <[EMAIL PROTECTED]>
Sent: Thursday, December 18, 2003 8:11 AM
Subject: RE: Are httpSessions thread safe?
> Synchronizing on the session object may cause you all sorts of grief...or
it may
> not. It all depends on your container. The spec makes no guarantees about
the
&
sers Mailing List" <[EMAIL PROTECTED]>
> Sent: Thursday, December 18, 2003 8:11 AM
> Subject: RE: Are httpSessions thread safe?
>
>
> > Synchronizing on the session object may cause you all sorts of grief...or
> it may
> > not. It all depends on your container
bly
okay. A token could effectively prevent this type of condition I
suppose.
-J
> -Original Message-
> From: Kris Schneider [mailto:[EMAIL PROTECTED]
> Sent: Thursday, December 18, 2003 11:12 AM
> To: Struts Users Mailing List
> Subject: RE: Are httpSessions thread safe?
>
&
At 8:22 AM -0800 12/18/03, Max Cooper wrote:
Even though you got a few different objects with those calls, they all
represent the same conceptual "session" underneath. The concept of a session
would be worthless otherwise. In other words, if you stash a reference to
some object in the session, you
this type of condition I
> suppose.
>
> -J
>
> > -Original Message-
> > From: Kris Schneider [mailto:[EMAIL PROTECTED]
> > Sent: Thursday, December 18, 2003 11:12 AM
> > To: Struts Users Mailing List
> > Subject: RE: Are httpSessions thread safe?
>
Sent: Thursday, December 18, 2003 1:09 AM
Subject: RE: Are httpSessions thread safe?
> The sessions essentially just a sort of Map. Access to it may be
threadsafe,
> but the stuff thats in it is another matter entirely. Multiple requests
> associated with the same session will execute s
hreadLocal into a httpSession I suspect would be funny
to watch.
> -Original Message-
> From: Kris Schneider [mailto:[EMAIL PROTECTED]
> Sent: Thursday, December 18, 2003 11:45 AM
> To: Struts Users Mailing List; [EMAIL PROTECTED]
> Subject: RE: Are httpSessions thread safe
. And
Kris's test shows it probably wouldn't do what you expect it to anyway.
-Max
- Original Message -
From: "Kris Schneider" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Thursday, December 18, 2003 8:32 AM
Subject: Re:
destroyed.
-David
- Original Message -
From: "Joe Hertz" <[EMAIL PROTECTED]>
To: "'Struts Users Mailing List'" <[EMAIL PROTECTED]>
Sent: Thursday, December 18, 2003 10:20 AM
Subject: RE: Are httpSessions thread safe?
> I saw these. I just ha
http://nagoya.apache.org/eyebrowse/[EMAIL PROTECTED]&msgId=149353
From: "David Erickson" <[EMAIL PROTECTED]>
Reply-To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List"
<[EMAIL PROTECTED]>,<[EMAIL PROT
this isn't quite worth the effort? No one else seems to
mind :)
-Joe
> -Original Message-
> From: David Erickson [mailto:[EMAIL PROTECTED]
> Sent: Thursday, December 18, 2003 12:27 PM
> To: Struts Users Mailing List; [EMAIL PROTECTED]
> Subject: Re: Are httpSessions
rform just
fine.
-Max
- Original Message -
From: "David Erickson" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>;
<[EMAIL PROTECTED]>
Sent: Thursday, December 18, 2003 9:26 AM
Subject: Re: Are httpSessions thread safe?
;[EMAIL PROTECTED]>
Sent: Thursday, December 18, 2003 10:41 AM
Subject: RE: Are httpSessions thread safe?
> I guess creating Hibernate Sessions and Destroying them on every request
> isn't as bad as I imagine it is?
>
> I figured creating the session when the user showed up
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