We are also doing Applet/Servlet communication with serialized objects... I admit that is is a bit slow, but it is mostly acceptable. However, for some queries made to the database, the amount of data to transfer is very large, so we are looking at a way to make the serialization faster...
Do you guys knows ways, tricks or hints that will make serialization faster ? I don't know, like not trying to serialize some classes, or always use basic classes such as Vectors or arrays ?
Maxime.
> -----Original Message-----
> From: Rob Griffin [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, April 18, 2000 7:04 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Applet-servlet doPost using ObjectStreams and MS Personal
> Webserver
>
>
> David,
>
> We do applet to servlet communications using serialized objects and
> have no such performance problems. We have tested against IIS with
> the JRun servlet engine and it works well.
>
> I suggest you try a different servlet engine like the JSWDK which is
> a free download from Sun.
>
> Have you tested the serialization outside of the servlet / applet
> environment? Maybe it is doing something unexpected that you don't
> know about.
>
> Rob Griffin
> Quest Software
>
> E-mail: [EMAIL PROTECTED]
> Web site: http://www.quest.com
>
> > -----Original Message-----
> > From: A mailing list for discussion about Sun Microsystem's
> Java Servlet
> > API Technology. [mailto:[EMAIL PROTECTED]]On Behalf Of
> > Godbey, David
> > Sent: Wednesday, 19 April 2000 2:43
> > To: [EMAIL PROTECTED]
> > Subject: Applet-servlet doPost using ObjectStreams and MS Personal
> > Webserver
> >
> >
> > Folks,
> > I'm building an applet-servlet combo for GIS, and I'm using my NT
> > workstation for the needed resources (IIS web server and Servlet
> > Exec 2.2).
> >
> > I'm sending a hashtable containing 5 vectors (very little
> data, a couple
> > dozen bytes) using the example in Hunter's book, and the
> > Object(Input)OutputStreams. The servlet takes the object
> and returns a
> > string (dozen bytes). If I buffer the streams at both ends or
> > not, it makes
> > no difference. It takes 5 minutes to complete the
> transaction! It always
> > completes, but it takes way too long.
> >
> > Is it Personal Web Server, NT workstation, or are there issues with
> > ObjectStreams that I need to be aware of? Both hashtables
> and vectors are
> > serializable.
> >
> > Thanks for any help,
> > Dave Godbey
> >
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