Yes, 3 then 4. And there are not in parallel.

Thanks to you I realised I had kept the Maps API tag in my Module.gwt.xml
and that I was loading Maps API two times.

I am afraid it wont help you with your problem but thanks ;)



On Sun, Sep 20, 2009 at 1:42 PM, George Georgovassilis <
[email protected]> wrote:

> Hi Martin,
>
> my ping alone is 170ms, so I won't explore this argument further. Also I
> think the comparison between loading a map and the map API is not
> correct - I am comparing the time needed to show my application with and
> without the maps API (always taking the naive, blocking approach) and at
> least for recurring visitors, the difference in user experience is notable.
>
> Are you sure 3 and 4 are loaded simultaneously with the AjaxLoader? As
> far as my understanding of the bootstrap process goes, 4 is launched by
> the application itself, which cannot be sooner than 3 is loaded.
>
> Martin Delemotte wrote:
> > I forgot to mention, the loading order is:
> >
> > 1. load host page
> > 2. load .nocache.js
> >     4. load google maps API
> >     3. load .cache.js
> >
> > with 3 and 4 in parallel
> >
> >
> >
> > On Sun, Sep 20, 2009 at 1:21 PM, Martin Delemotte
> > <[email protected] <mailto:[email protected]>> wrote:
> >
> >     Yes, you are right indeed.
> >
> >     This is a tradeoff between clean code and performance penalty.
> >     From where I test it is 184ms which is quite negligible compared
> >     to the time it takes to load maps...
> >
> >
> >
> >
> >     On Sun, Sep 20, 2009 at 3:06 AM, George Georgovassilis
> >     <[email protected] <mailto:[email protected]>>
> >     wrote:
> >
> >
> >         Hello Martin,
> >
> >         Look lot cleaner than my solution - however I see a certain
> >         performance penalty with that. The bootstrap process with your
> >         example
> >         is:
> >
> >         1. load host page
> >         2. load .nocache.js
> >         3. load .cache.js
> >         4. load google maps API
> >
> >         and it's all serialized.
> >
> >         With the direct injection of the code into the html the bootstrap
> >         process is shortened, because GWT's module and the Maps API
> >         load in
> >         parallel:
> >
> >         1. load host page
> >         2. load .nocache.js and google maps API in parallel
> >         3. load .cache.js
> >
> >         what do you think?
> >
> >
> >         On Sep 19, 4:56 pm, Martin Delemotte
> >         <[email protected] <mailto:[email protected]>>
> >         wrote:
> >         > Have a look at AjaxLoader:
> >         >
> >         > AjaxLoader.init("your maps key here");
> >         >         AjaxLoader.loadApi("maps", "2", new Runnable() {
> >         >             public void run() {
> >         >                 //action to perform after api is loaded
> >         >             }
> >         >         }, null);
> >         >
> >         > On Sat, Sep 19, 2009 at 9:42 AM, George Georgovassilis <
> >         >
> >         > [email protected]
> >         <mailto:[email protected]>> wrote:
> >         >
> >         > > Sorry to hijack this thread, but since we're talking about
> >         this...
> >         > > what's the best way of loading the maps API
> >         javascriptlibrary without
> >         > > blocking (aka unblocking parallel downloads)?
> >         >
> >         > > So far I ended up with this:
> >         >
> >         > > <script type="text/javascript">
> >         > > //<![CDATA[
> >         > > function loadGoogleMapsAPI(){
> >         > > var script = document.createElement("script");
> >         > > script.type = "text/javascript";
> >         > > script.src = "http://maps.google.com/maps?
> >         > > file=api&v=2&async=2&sensor=false&key=XYZ";
> >         > > document.body.appendChild(script);
> >         > > }
> >         > > window.setTimeout("loadGoogleMapsAPI()",1);
> >         > > //]]>
> >         >
> >         > > On Sep 19, 4:33 am, martind <[email protected]
> >         <mailto:[email protected]>> wrote:
> >         > > > I formatted my disk and reinstalled Fedora 11 yesterday.
> >         I do not
> >         > > > encounter the problem anymore.
> >         > > > I guess I will never know what was wrong ;)
> >         >
> >         > > > On Sep 13, 11:34 am, martind <[email protected]
> >         <mailto:[email protected]>> wrote:
> >         >
> >         > > > > If I compile my application and run it in my system
> >         browser, it works
> >         > > > > fine. Firebug raises no issues.
> >         >
> >         > > > > However, it fails in hosted mode...
> >         >
> >         > > > > On Sep 12, 5:57 pm, Eric Ayers <[email protected]
> >         <mailto:[email protected]>> wrote:
> >         >
> >         > > > > > I've not heard of problems using the Maps API with
> >         GWT 1.7.  Can you
> >         > > > > > use firebug or some other way to trace your network
> >         messages and see
> >         > > > > > that indeed the script tag you've got in your module
> >         specification is
> >         > > > > > working?
> >         >
> >         > > > > > On Sat, Sep 12, 2009 at 5:48 PM,
> >         martind<[email protected]
> >         <mailto:[email protected]>>
> >         > > wrote:
> >         >
> >         > > > > > > 1) yes, I have tried running it with a Maps key. I
> >         also tried
> >         > > > > > > generating a new one with no luck.
> >         >
> >         > > > > > > 2) no, I am on Fedora 11 with Firefox 3.5.3
> >         >
> >         > > > > > > I have another error related to the Maps API which
> >         might help
> >         > > diagnose
> >         > > > > > > the problem:
> >         >
> >         > > > > > > [ERROR] Unable to load module entry point class
> >         > > > > > > com.coopiz.client.Coopiz (see associated exception
> >         for details)
> >         > > > > > > com.google.gwt.core.client.JavaScriptException:
> >         (TypeError):
> >         > > > > > > $wnd.GClientGeocoder is not a constructor
> >         > > > > > >  fileName: transient source for
> >         > > > > > > com.google.gwt.maps.client.impl.__GeocoderImplImpl
> >         > > > > > >  lineNumber: 30
> >         > > > > > >  stack: ()@transient source for
> >         > > > > > > com.google.gwt.maps.client.impl.__GeocoderImplImpl:30
> >         > > > > > > gwtOnLoad([object Window],"coopiz","1.6")@:0
> >         > > > > > >
> >         gwtOnLoad(undefined,"coopiz","http://localhost:8080/coopiz/
> >         > > ")@http://
> >         > > > > > > localhost:8080/coopiz/hosted.html?coopiz:20
> >         > > > > > > qc()@
> http://localhost:8080/coopiz/coopiz.nocache.js:2
> >         > > > > > > ()@http://localhost:8080/coopiz/coopiz.nocache.js:8
> >         > > > > > > @http://localhost:8080/coopiz/hosted.html?coopiz:39
> >         >
> >         > > > > > >        at
> >         > > com.google.gwt.maps.client.impl.__GeocoderImplImpl.construct
> >         > > > > > > (Native Method)
> >         > > > > > >        at
> >         > >
> >         com.google.gwt.maps.client.geocode.Geocoder.<init>(Geocoder.java:
> >         > > > > > > 41)
> >         > > > > > >        at
> >         com.coopiz.client.model.PersistenceManager.<init>
> >         > > > > > > (PersistenceManager.java:26)
> >         > > > > > >        at
> >         > > com.coopiz.client.controllers.ApplicationController.<init>
> >         > > > > > > (ApplicationController.java:14)
> >         > > > > > >        ...
> >         >
> >         > > > > > > If I comment the portion of code which generates
> >         the error above, I
> >         > > > > > > get the error reported in the first message of
> >         this thread.
> >         >
> >         > > > > > > Could it have something to do with an upgrade from
> >         GWT 1.6 to 1.7 ?
> >         > > I
> >         > > > > > > just checked the upgrade steps but maybe I missed
> >         something ?
> >         >
> >         > > > > > > On Sep 8, 11:27 am, Eric Ayers <[email protected]
> >         <mailto:[email protected]>> wrote:
> >         > > > > > >> 1) Have you tried running it with a Maps key
> >         installed as the
> >         > > error
> >         > > > > > >> message suggests?
> >         >
> >         > > > > > >> 2) Are you on Windows?  If so, have your IE
> >         cache/proxy/security
> >         > > > > > >> settings changed recently?  That sometimes gets
> >         in the way of the
> >         > > > > > >> Google APIs requests.
> >         >
> >         > > > > > >> On Mon, Sep 7, 2009 at 6:50 PM, martind<
> >         > > [email protected]
> >         <mailto:[email protected]>> wrote:
> >         >
> >         > > > > > >> > Hi all,
> >         >
> >         > > > > > >> > I'm using:
> >         > > > > > >> > - GWT 1.7.0
> >         > > > > > >> > - gwt-maps 1.0.4
> >         > > > > > >> > - GAE 1.2.5
> >         > > > > > >> > - Eclipse 3.5 with the Google plugin
> >         > > > > > >> > - Sun JDK 1.0.6_16
> >         > > > > > >> > - linux (Fedora 11)
> >         >
> >         > > > > > >> > A few weeks ago, I began a project using
> >         gwt-maps which worked
> >         > > fine.
> >         > > > > > >> > But somehow it got broken recently. I get the
> >         following error in
> >         > > > > > >> > hosted mode:
> >         >
> >         > > > > > >> > [ERROR] Unable to load module entry point class
> >         test.client.Test
> >         > > (see
> >         > > > > > >> > associated exception for details)
> >         > > > > > >> > java.lang.RuntimeException: The Maps API has
> >         not been loaded.
> >         > > > > > >> > Is a <script> tag missing from your host HTML
> >         or module file?
> >         > >  Is the
> >         > > > > > >> > Maps key missing or invalid?
> >         > > > > > >> >        at
> >         > > com.google.gwt.maps.client.Maps.assertLoaded(Maps.java:32)
> >         > > > > > >> >        at
> >         > > com.google.gwt.maps.client.geom.LatLng$.newInstance(Native
> >         Method)
> >         > > > > > >> >        at
> >         test.client.Test.onModuleLoad(Test.java:46)
> >         >
> >         > > > > > >> > My Test.gwt.xml file is the following:
> >         >
> >         > > > > > >> > <?xml version="1.0" encoding="UTF-8"?>
> >         > > > > > >> > <!DOCTYPE module PUBLIC "-//Google Inc.//DTD
> >         Google Web Toolkit
> >         > > 1.7.0//
> >         > > > > > >> > EN" "
> >         > >
> http://google-web-toolkit.googlecode.com/svn/tags/1.7.0/distro-
> >         > > > > > >> > source/core/src/gwt-module.dtd">
> >         > > > > > >> > <module rename-to='test'>
> >         > > > > > >> >  <!-- Inherit the core Web Toolkit stuff.
> >         > >  -->
> >         > > > > > >> >  <inherits name='com.google.gwt.user.User'/>
> >         >
> >         > > > > > >> >  <inherits name="com.google.gwt.maps.GoogleMaps"
> />
> >         > > > > > >> >  <script src="http://maps.google.com/maps?
> >         > > > > > >> > gwt=1&amp;file=api&amp;v=2&amp;sensor=false" />
> >         >
> >         > > > > > >> >  <!-- Inherit the default GWT style sheet.  You
> >         can change
> >         > > -->
> >         > > > > > >> >  <!-- the theme of your GWT application by
> >         uncommenting
> >         > >  -->
> >         > > > > > >> >  <!-- any one of the following lines.
> >         > >  -->
> >         > > > > > >> >  <inherits
> >         name='com.google.gwt.user.theme.standard.Standard'/>
> >         > > > > > >> >  <!-- <inherits
> >         name='com.google.gwt.user.theme.chrome.Chrome'/>
> >         > > -->
> >         > > > > > >> >  <!-- <inherits
> >         name='com.google.gwt.user.theme.dark.Dark'/>
> >         > > -->
> >         >
> >         > > > > > >> >  <!-- Other module inherits
> >         > >  -->
> >         >
> >         > > > > > >> >  <!-- Specify the app entry point class.
> >         > > -->
> >         > > > > > >> >  <entry-point class='test.client.Test'/>
> >         > > > > > >> > </module>
> >         >
> >         > > > > > >> > I used wireshark to debug and it seems that "
> >         > >http://maps.google.com/
> >         > > > > > >> >
> >         maps?gwt=1&amp;file=api&amp;v=2&amp;sensor=false" is never
> >         > > acessed. If
> >         > > > > > >> > I try loading the URL in my browser it works fine.
> >         >
> >         > > > > > >> > At first I thought it was an issue with Fedora
> >         Eclipse or with
> >         > > OpenJDK
> >         > > > > > >> > so I replaced them with the "official" eclipse
> >         and Sun JDK but
> >         > > no
> >         > > > > > >> > luck...
> >         >
> >         > > > > > >> > Has anybody got the same issue ?
> >         >
> >         > > > > > >> --
> >         > > > > > >> Google Code Jam 2009http://code.google.com/codejam
> >         >
> >         > > > > > --
> >         > > > > > Google Code Jam 2009http://code.google.com/codejam
> >
> >
> >
> >
> > >
>
>
> >
>
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