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From "Maciej Jaros (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CB-250) [android] app crashes when DNS lookup fails
Date Wed, 22 Feb 2012 14:07:52 GMT

    [ https://issues.apache.org/jira/browse/CB-250?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13213634#comment-13213634
] 

Maciej Jaros commented on CB-250:
---------------------------------

Maybe you could add a function (or event) that could be overwritten/overtaken by an application
developer (from JS). The default behavior would be to show a simple alert box (e.g. "The URL
is unreachable").

That way if an application developer wants to show their own alert or something else then
he will be able do that, but also (by default) the app will not crash and will give some feedback
to the user using the app.
                
> [android] app crashes when DNS lookup fails
> -------------------------------------------
>
>                 Key: CB-250
>                 URL: https://issues.apache.org/jira/browse/CB-250
>             Project: Apache Callback
>          Issue Type: Bug
>          Components: Android
>    Affects Versions: 1.4.0, 1.5.0
>            Reporter: Andrew Lunny
>            Assignee: Joe Bowser
>             Fix For: 1.6.0
>
>
> If the DNS lookup on a link to loadUrl fails, the app exits.
> Fil traced this to the onReceivedError method in CordovaWebViewClient - the ERROR_HOST_LOOKUP
error code is being passed to that method, which is passed on to the context, and the app
crashes.
> http://developer.android.com/reference/android/webkit/WebViewClient.html#ERROR_HOST_LOOKUP
> Expected behavior in this case is probably for an error to be reported back to the web
view, and the initial page to be loaded back once more.
> app demonstrating failure (has wildcard on whitelist): https://build.phonegap.com/apps/74059/share
> source code: https://gist.github.com/1821047

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