GWT Safari 6 Image setUrl leads to "Maximum call stack size exceeded"

Hi GWT community,

we are trying to reset an image content through setting the URL to an empty string setUrl("").
On other browsers like Firefox18 and the older the older Safari 5 it work as aspected.
But when done on Safari 6, we get lot of Exceptions:

com.google.gwt.event.shared.UmbrellaException: One or more exceptions caught, see full set in UmbrellaException#getCauses
    at com.google.gwt.core.client.impl.StackTraceCreator$CollectorEmulated.$fillInStackTrace(StackTraceCreator.java:168)
    at java.lang.RuntimeException.RuntimeException(RuntimeException.java:421)
    at com.google.web.bindery.event.shared.UmbrellaException.UmbrellaException(UmbrellaException.java:37)
    at com.google.gwt.event.shared.UmbrellaException.UmbrellaException(UmbrellaException.java:26)
    at com.google.gwt.event.shared.HandlerManager.$fireEvent(HandlerManager.java:56)
    at com.google.gwt.user.client.ui.Widget.$fireEvent(Widget.java:129)
    at com.google.gwt.event.dom.client.DomEvent.fireNativeEvent(DomEvent.java:116)
    at com.google.gwt.user.client.ui.Widget.$onBrowserEvent(Widget.java:528)
    at com.google.gwt.user.client.ui.Image.onBrowserEvent(Image.java:791)
    at com.google.gwt.user.client.DOM.dispatchEvent(DOM.java:1307)
    at Unknown.anonymous(DOMImplStandard.java:170)
    at com.google.gwt.core.client.impl.Impl.apply(Impl.java:168)
    at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:213)
    at Unknown.anonymous(Impl.java:57)
    at com.google.gwt.dom.client.DOMImpl.$imgSetSrc(DOMImpl.java:308)
    at com.google.gwt.user.client.ui.Image$UnclippedState.setUrl(Image.java:413)
    at com.google.gwt.user.client.ui.Image.$setUrl(Image.java:864)
    at com.google.gwt.user.client.ui.Image.$setUrl(Image.java:876)
    at com.google.gwt.user.client.ui.Image.setUrl(Image.java:875)

OR

Caused by: com.google.gwt.core.client.JavaScriptException: (RangeError): Maximum call stack size exceeded.
    at Unknown.com_google_gwt_core_client_impl_StackTraceCreator$CollectorEmulated_$fillInStackTrace__Lcom_google_gwt_core_client_impl_StackTraceCreator$CollectorEmulated_2Ljava_lang_Throwable_2V(StackTraceCreator.java:168)
    at Unknown.com_google_gwt_core_client_JavaScriptException_JavaScriptException__Ljava_lang_Object_2V(StackTraceCreator.java:421)
    at Unknown.com_google_gwt_lang_Exceptions_caught__Ljava_lang_Object_2Ljava_lang_Object_2(Exceptions.java:29)
    at Unknown.com_google_gwt_dom_client_DOMImpl_$imgSetSrc__Lcom_google_gwt_dom_client_DOMImpl_2Lcom_google_gwt_dom_client_Element_2Ljava_lang_String_2V(DOMImpl.java:308)
    at Unknown.com_google_gwt_user_client_ui_Image$UnclippedState_setUrl__Lcom_google_gwt_user_client_ui_Image_2Lcom_google_gwt_safehtml_shared_SafeUri_2V(Image.java:413)
    at Unknown.com_google_gwt_user_client_ui_Image_$setUrl__Lcom_google_gwt_user_client_ui_Image_2Lcom_google_gwt_safehtml_shared_SafeUri_2V(Image.java:864)
    at Unknown.com_google_gwt_user_client_ui_Image_$setUrl__Lcom_google_gwt_user_client_ui_Image_2Ljava_lang_String_2V(Image.java:876)
    at Unknown.com_google_gwt_user_client_ui_Image_setUrl__Ljava_lang_String_2V(Image.java:875)

Before we set that new URL the image got another URL (not empty one).
Could it be that if we add an load and error handler before to that image and set the url then to expect
if it is valid or not (with the evaluation of width and height), could this lead to an recursive calling of that handlers?
What is right way to reset an image (make it empty, also not displaying an undefined image icon)?
And why do the other browser don't act like that?
Thank you.

Maxim

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