FYI, server state saving means all of that memory will be stored in
the server's java heap. So approx 70k * #users.
On 8/23/07, Ken McArthur <[EMAIL PROTECTED]> wrote:
> Mario,
>
> ViewStateDumper is awesome! I get a large number of "#null?"s in output but
> everything else is as expected. In my situation bottleneck is bandwidth;
> especially since ViewState is sent back to server and upload speeds are most
> always much slower than download speeds. Compressed ViewState by adding the
> following to web.xml:
>
> <context-param>
>
> <param-name>org.apache.myfaces.COMPRESS_STATE_IN_CLIENT</param-name>
> <param-value>true</param-value>
> </context-param>
>
> This cut ViewState down by about 1/5th.
>
> Thanks again to all. I think I have good temporary solution but will look
> more into server side state saving.
>
> Ken
>
>
>
>
> On 8/23/07, Ken McArthur <[EMAIL PROTECTED]> wrote:
> > Great advise, I'll try it all and update board when I figure it out.
> Thanks.
> >
> >
> >
> > On 8/23/07, Mario Ivankovits <[EMAIL PROTECTED] > wrote:
> > > Hi!
> > > > With client state saving, I was under the impression that only managed
> > > > beans in session scope or used in t:saveState would be serialized into
> > > > the hidden javax.faces.ViewState variable. However, my application's
> > > > creating ViewStates in pages with very simple forms that are almost 70
> > > > kb long!
> > > I've create a simple ViewState dumper which allows you to .. well ...
> > > dump the view state :-) ... as long as you do not compression or
> encryption.
> > > Just set the viewState variable to the content of the viewState in the
> > > HTML output.
> > > Maybe you can figure out what happens.
> > >
> > > Unhappily there is no information about which component added the data
> > > to the state, though, it might be a start anyway.
> > >
> > >
> > > import org.apache.commons.codec.binary.Base64 ;
> > >
> > > import java.io.ByteArrayInputStream;
> > > import java.io.IOException;
> > > import java.io.ObjectInputStream;
> > > import java.util.Collection;
> > >
> > > public class ViewStateDumper
> > > {
> > > public static void main(String[] args) throws IOException,
> > > ClassNotFoundException
> > > {
> > > String viewState="";
> > >
> > > byte[] viewStateData =
> > > Base64.decodeBase64(viewState.getBytes("US-ASCII"));
> > > ObjectInputStream ois = new ObjectInputStream(new
> > > ByteArrayInputStream(viewStateData));
> > >
> > > Object[] state = (Object[]) ois.readObject();
> > > dumpState("", state);
> > > }
> > >
> > > private static void dumpState(String prefix, Object[] state)
> > > {
> > > for (Object object : state)
> > > {
> > > System.err.print(prefix);
> > >
> > > if (object == null)
> > > {
> > > System.err.println("#null?");
> > > }
> > > else if (object instanceof Object[])
> > > {
> > > System.err.println(prefix + "array");
> > > dumpState(prefix + " ", (Object[])
> object);
> > > }
> > > else if (object instanceof Collection)
> > > {
> > > System.err.println(prefix + "collection");
> > > dumpState(prefix + " ",
> ((Collection) object).toArray());
> > > }
> > > else
> > > {
> > > System.err.print(object.getClass().getName());
> > > System.err.print(" ");
> > > System.err.println(object.toString ());
> > > }
> > > }
> > > }
> > > }
> > >
> > >
> > > Ciao,
> > > Mario
> > >
> > >
> >
> >
> >
> > --
> >
> > 303-619-6607
> > http://adsea.com
>
>
>
> --
> 303-619-6607
> http://adsea.com
