Initialization error

[jstemerdink]

We regularly get an initialization error for the localization.

ERROR [1] EPiServer.Framework.Initialization.InitializationEngine.InitializeModules - Initialize action failed for 'Initialize on class ImageResizer.Plugins.EPiFocalPoint.FocalPointInitialization ... System.InvalidOperationException: Collection was modified; enumeration operation may not execute. ...
at EPiServer.Framework.Localization.ProviderBasedLocalizationService.ProviderList_CollectionChanged(Object sender, NotifyCollectionChangedEventArgs e)

I it fixed by loading the localizations when the init is completed and not to insert it but to append it. Or maybe one of the two is enough.

private static LocalizationService localizationService;
 public void Initialize(InitializationEngine context) {
      localizationService = context.Locate.Advanced.GetInstance<LocalizationService>() as ProviderBasedLocalizationService;

      // Initialize the provider after the initialization is complete.
      context.InitComplete += this.InitComplete;            
      InitializeEventHooks(context);
}
private void InitComplete(object sender, EventArgs e)
{
    InitializeLocalizations();
}

private static void InitializeLocalizations() {
    var providerBasedLocalizationService = localizationService as ProviderBasedLocalizationService;
    if(providerBasedLocalizationService != null) {
        var localizationProviderInitializer = new EmbeddedXmlLocalizationProviderInitializer();
        var localizationProvider = localizationProviderInitializer.GetInitializedProvider(LocalizationProviderName, typeof(FocalPointInitialization).Assembly);
    ////providerBasedLocalizationService.Providers.Insert(0, localizationProvider);
    providerBasedLocalizationService.Providers.Add(localizationProvider);
    }
}