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From "Omar Mefire (JIRA)" <>
Subject [jira] [Assigned] (CB-10276) cordova-ios@4 is unstable
Date Tue, 05 Jan 2016 00:43:39 GMT


Omar Mefire reassigned CB-10276:

    Assignee: Omar Mefire

> cordova-ios@4 is unstable
> -------------------------
>                 Key: CB-10276
>                 URL:
>             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 -
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
> {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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