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Change By:
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Tobias Mattsson
(12/Apr/13 4:47 PM)
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Description:
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When an app opens a modal dialog its component is added as a child to MagnoliaShell. When the app is closed the component remains there. None of the object instances referenced by the dialog can be garbage collected making this a memory leak. The leaked instances include the entire app and all its sub apps.
This also effects choose dialogs.
Steps to reproduce:
Log in to Admincentral
Start the Pages app
Edit /demo-features/content-templates/article
Add a contact component
In the dialog that pops up click "Select new..."
Choose one of the contacts and save
Close the Pages app
Even though they're not displayed there's two modal dialogs in the component tree holding on to the closed Pages app.
The component tree after this is:
{noformat}
info.magnolia.ui.admincentral.AdmincentralUI
info.magnolia.ui.vaadin.magnoliashell.MagnoliaShell
info.magnolia.ui.vaadin.dialog.Modal
info.magnolia.ui.contentapp.choosedialog.WorkbenchChooseDialogView
info.magnolia.ui.contentapp.browser.BrowserViewImpl
com.vaadin.ui.CssLayout
com.vaadin.ui.CssLayout
info.magnolia.ui.vaadin.grid.MagnoliaTreeTable
com.vaadin.ui.Label
com.vaadin.ui.Label
com.vaadin.ui.Label
com.vaadin.ui.Label
com.vaadin.ui.Label
com.vaadin.ui.Label
com.vaadin.ui.Label
com.vaadin.ui.Label
com.vaadin.ui.Label
com.vaadin.ui.Label
com.vaadin.ui.Label
com.vaadin.ui.CssLayout
com.vaadin.ui.NativeButton
com.vaadin.ui.NativeButton
com.vaadin.ui.NativeButton
com.vaadin.ui.TextField
info.magnolia.ui.vaadin.dialog.Modal
info.magnolia.ui.vaadin.dialog.BaseDialog
info.magnolia.ui.vaadin.form.Form
info.magnolia.ui.vaadin.form.Form$1
info.magnolia.ui.vaadin.form.tab.MagnoliaFormTab
info.magnolia.ui.vaadin.form.FormSection
info.magnolia.ui.app.contacts.field.ContactTextAndButtonField
com.vaadin.ui.HorizontalLayout
info.magnolia.ui.form.field.TextAndButtonField
com.vaadin.ui.HorizontalLayout
com.vaadin.ui.NativeButton
com.vaadin.ui.TextField
info.magnolia.ui.app.contacts.field.ContactThumbnailField
com.vaadin.ui.HorizontalLayout
com.vaadin.ui.Image
com.vaadin.ui.Label
info.magnolia.ui.vaadin.magnoliashell.viewport.AppsViewport
info.magnolia.ui.vaadin.magnoliashell.viewport.ShellAppsViewport
info.magnolia.ui.vaadin.applauncher.AppLauncher
{noformat}
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