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Date: Tue, 5 Jan 2016 11:55:39 +0000 (UTC)
From: "Omar Mefire (JIRA)" <jira@apache.org>
To: issues@cordova.apache.org
Message-ID: <JIRA.12924622.1451370992000.20646.1451994939950@Atlassian.JIRA>
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 <JIRA.12924622.1451370992790@arcas>
Subject: [jira] [Commented] (CB-10276) cordova-ios@4 is unstable
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    [ https://issues.apache.org/jira/browse/CB-10276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15082925#comment-15082925 ] 

Omar Mefire commented on CB-10276:
----------------------------------

Are you using WKWebView or UIWebView ?

> cordova-ios@4 is unstable
> -------------------------
>
>                 Key: CB-10276
>                 URL: https://issues.apache.org/jira/browse/CB-10276
>             Project: Apache Cordova
>          Issue Type: Bug
>          Components: iOS
>         Environment: cordova@5.4.1 cordova-ios@4.0.1
>            Reporter: Kirill Anoshin
>            Assignee: Omar Mefire
>            Priority: Blocker
>              Labels: cordova-ios-4.1.0
>
> Here is a demo project to reproduce unstable behavior - https://github.com/kanoshin/cordova-bug-reproduction. You can try to run this app ~20 times and I'm sure that you will be able to reproduce huge memory leak and 100% cpu usage (both on real device and emulator). This app shows current state on the screen - "Done!" means that everything is fine, any other state is most likely a marker of 100% cpu usage.
> This app is using 3rd party plugin that works stable on previous versions of cordova-ios. After some research I noticed that unstable behavior disappears if I wrap all plugin calls in:
> {code}
> [self.commandDelegate runInBackground:^{
>     ...
> }];
> {code}
> block. Otherwise WebThread sometimes goes crazy and device becomes unresponsive. I believe that this is a bug because previously it was ok to run plugin calls that takes small amount of time in the main thread. Also it seems that a lot of existing plugins don't care about running in background thread and it makes update to cordova-ios@4 impossible.


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