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Editorial Team
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Asked: 2026-05-14T02:23:43+00:00

This should be totally simple but I can’t get it working no matter what

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This should be totally simple but I can’t get it working no matter what I try. I’m trying to use Google Analytics with GWT application. From what I understood, there are two way to do it:

First is synchronous, by inserting tracking code at the end of <head> section HTML page and then calling this method:

public static native void recordAnalyticsHit(String pageName) /*-{
    pageTracker._trackPageview(pageName);
}-*/;

Second is asynchronous, by inserting tracking code just after <body> tag and then calling this method:

public static native void recordAnalyticsHit(String pageName) /*-{
    _gaq.push(['_trackPageview(' + pageName + ')']);
}-*/;

When running each of those methods, however, I get this exceptions in hosted mode:

[ERROR] [myproject] Uncaught exception escaped
com.google.gwt.core.client.JavaScriptException: (ReferenceError): pageTracker is not defined

[ERROR] [myproject] Uncaught exception escaped
com.google.gwt.core.client.JavaScriptException: (ReferenceError): _gaq is not defined

When observing site in Firebug, I see that ga.js gets loaded, but that’s about it.

Did anyone get Analytics working with GWT? Also, does _gaq accept page name as trackPageview parameter, since all the examples I’ve seen use this call:

_gaq.push(['_trackPageview()']);

(Of course, that also doesn’t work for me.)

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1 Answer

  1. Editorial Team

    This is just a guess, but you probably need to reference the host page (the one where the Google Analytics JS code has been included) via $wnd in the JSNI, like this:

    public static native void recordAnalyticsHit(String pageName) /*-{
    $wnd.pageTracker._trackPageview(pageName);
}-*/;

    JSNI code (and in general, GWT code) is run in a iframe to keep the namespace clean, that’s why you need the $wnd reference to the main window.

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