Re: GWT Elemental Problem with Listner

I have the same problem with addEventListener with GWT 2.5-rc1

Also I found the following problem:

I wanted to test whether the problem was fixed in the trunk, but the Window interface in the package elemental.html in the trunk, does not contain the method newAudioContext(), this method is in version 2.5-rc1 gwt.

Any ideas?

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2012/7/9 Allahbaksh <a.allahbaksh@gmail.com>

Hi,
I am trying to run example from GWT Elemental sitehttp://tinyurl.com/7oo2jmv.
I have made appropriate changes to compile the same
(getWindow().setTimeout(new TimeoutHandler()  and xhr.setOnload and
package name change for xml http request). The problem I face it is
when I add a listner to any of the element it throws the exception.
For example Below is the exception which I have got.

In short when I add listner to any element I get a error which is put
below.
Is there any problem?

Ray can you throw some light on it.
Regards,
Allahbaksh

16:07:55.836 [ERROR] [gwt_elemental] Unable to load module entry point
class com.infy.elemental.client.ElementalExample (see associated
exception for details)
com.google.gwt.core.client.JavaScriptException: (String) : Invoking an
instance method on a null instance
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown
Source)
    at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown
Source)
    at java.lang.reflect.Constructor.newInstance(Unknown Source)
    at
com.google.gwt.dev.shell.ModuleSpace.createJavaScriptException(ModuleSpace.java:
79)
    at
com.google.gwt.dev.shell.ModuleSpace.createJavaScriptException(ModuleSpace.java:
63)
    at
com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:60)
    at
com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:
172)
    at
com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:
338)
    at
com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:
219)
    at
com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:
136)
    at
com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:
570)
    at
com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:
278)
    at
com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java:
91)
    at elemental.js.dom.JsElementalMixinBase$.addEventListener$
(JsElementalMixinBase.java)
    at com.google.gwt.core.client.JavaScriptObject
$.elemental_html_ButtonElement_addEventListener(JavaScriptObject.java)
    at
com.infy.elemental.client.ElementalExample.onModuleLoad(ElementalExample.java:
52)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:
405)
    at
com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:
200)
    at
com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:
526)
    at
com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:
364)
    at java.lang.Thread.run(Unknown Source)

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