2014-12-10 09:49:48,033 ERROR agnolia.ui.framework.app.AppInstanceControllerImpl: Sub-app detail failed to start: Invocation of method valueChange in info.magnolia.ui.dialog.formdialog.ItemFormView$2 failed.
com.vaadin.event.ListenerMethod$MethodException: Invocation of method valueChange in info.magnolia.ui.dialog.formdialog.ItemFormView$2 failed.
	at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:528)
	at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:167)
	at com.vaadin.server.AbstractClientConnector.fireEvent(AbstractClientConnector.java:969)
	at com.vaadin.ui.AbstractField.fireValueChange(AbstractField.java:1126)
	at com.vaadin.ui.AbstractField.setValue(AbstractField.java:542)
	at com.vaadin.ui.AbstractSelect.setValue(AbstractSelect.java:702)
	at com.vaadin.ui.AbstractSelect.setValue(AbstractSelect.java:671)
	at info.magnolia.ui.dialog.formdialog.ItemFormView.setCurrentLocale(ItemFormView.java:143)
	at info.magnolia.ui.dialog.formdialog.FormBuilder.buildForm(FormBuilder.java:132)
	at info.magnolia.ui.contentapp.detail.DetailPresenter.setItemView(DetailPresenter.java:159)
	at info.magnolia.ui.contentapp.detail.DetailPresenter.start(DetailPresenter.java:138)
	at info.magnolia.ui.contentapp.detail.DetailEditorPresenter.start(DetailEditorPresenter.java:122)
	at info.magnolia.ui.contentapp.detail.DetailEditorPresenter.start(DetailEditorPresenter.java:101)
	at info.magnolia.ui.contentapp.detail.DetailSubApp.start(DetailSubApp.java:118)
	at info.magnolia.ui.contentapp.detail.DetailSubApp.start(DetailSubApp.java:1)

2014-12-10 09:51:04,699 ERROR info.magnolia.pages.app.editor.PageEditorPresenter: An error occurred while executing action [editComponent]
info.magnolia.ui.api.action.ActionExecutionException: Action execution failed for action: editComponent
	at info.magnolia.ui.api.action.AbstractActionExecutor.execute(AbstractActionExecutor.java:64)
	at info.magnolia.pages.app.editor.PageEditorPresenter.onAction(PageEditorPresenter.java:127)
	at info.magnolia.ui.vaadin.editor.PageEditor$1.editComponent(PageEditor.java:93)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:168)
	at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:118)
	at com.vaadin.server.communication.ServerRpcHandler.handleBurst(ServerRpcHandler.java:214)
	at com.vaadin.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:111)
	at com.vaadin.server.communication.UidlRequestHandler.synchronizedHandleRequest(UidlRequestHandler.java:91)
	at com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:37)
	at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1371)
	at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:238)