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From "Leonardo Uribe (JIRA)" <...@myfaces.apache.org>
Subject [jira] Commented: (MYFACES-1691) beforeUnload event handler breaks form submission
Date Fri, 11 Apr 2008 23:02:05 GMT

    [ https://issues.apache.org/jira/browse/MYFACES-1691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12588159#action_12588159
] 

Leonardo Uribe commented on MYFACES-1691:
-----------------------------------------

I have tested this on firefox and IE and it's a specific bug for IE. 

So, the solution for avoid this is as suggested, surround submit call with a try catch.

> beforeUnload event handler breaks form submission
> -------------------------------------------------
>
>                 Key: MYFACES-1691
>                 URL: https://issues.apache.org/jira/browse/MYFACES-1691
>             Project: MyFaces Core
>          Issue Type: Bug
>          Components: General
>    Affects Versions: 1.1.5,  1.2.0, 1.2.2
>         Environment: Windows XP, IE7
>            Reporter: John Singleton
>            Assignee: Leonardo Uribe
>
> I am using the onBeforeUnload event to prevent the user leaving the page without first
saving their work. 
> If the user cancels the page navigation, further navigation in the page fails. I tracked
this down to this call in oamSubmitForm
> document.forms[formName].submit();
> In IE when the user cancels navigation of the page the form.submit method throws an exception.
This isn't caught in oamSubmitForm and so it doesn't complete cleanly.
> I fixed this by changing the 2 calls to form.submit too:
> try { document.forms[formName].submit(); } catch (e) {}
> oamSubmitForm now completes cleanly and further navigation in the page succeeds.

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