2014-05-16 10:14:02,851 WARN  info.magnolia.event.SimpleEventBus                : Exception caught when dispatching a class info.magnolia.ui.workbench.event.SelectionChangedEvent event with class info.magnolia.dam.app.assets.field.UploadAssetActionRenderer$1 eventHandler.
java.util.NoSuchElementException
	at java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:375)
	at java.util.LinkedHashMap$KeyIterator.next(LinkedHashMap.java:384)
	at java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1008)
	at info.magnolia.dam.app.assets.field.UploadAssetActionRenderer$1.onSelectionChanged(UploadAssetActionRenderer.java:116)
	at info.magnolia.ui.workbench.event.SelectionChangedEvent.dispatch(SelectionChangedEvent.java:75)
	at info.magnolia.ui.workbench.event.SelectionChangedEvent.dispatch(SelectionChangedEvent.java:45)
	at info.magnolia.event.SimpleEventBus.fireEvent(SimpleEventBus.java:78)
	at info.magnolia.ui.workbench.AbstractContentPresenterBase.onItemSelection(AbstractContentPresenterBase.java:149)
	at info.magnolia.ui.workbench.list.ListViewImpl$2.valueChange(ListViewImpl.java:130)
	at sun.reflect.GeneratedMethodAccessor406.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:508)
	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:698)
	at com.vaadin.ui.Table.handleSelectedItems(Table.java:2825)
	at com.vaadin.ui.Table.changeVariables(Table.java:2875)
	at com.vaadin.ui.TreeTable.changeVariables(TreeTable.java:415)
	at info.magnolia.ui.vaadin.grid.MagnoliaTreeTable.changeVariables(MagnoliaTreeTable.java:77)
	at com.vaadin.server.communication.ServerRpcHandler.changeVariables(ServerRpcHandler.java:403)
	at com.vaadin.server.communication.ServerRpcHandler.handleBurst(ServerRpcHandler.java:228)
	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)
	at info.magnolia.ui.admincentral.AdmincentralVaadinServlet.service(AdmincentralVaadinServlet.java:131)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
	at info.magnolia.cms.filters.ServletDispatchingFilter.doFilter(ServletDispatchingFilter.java:147)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
	at info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:65)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.VirtualUriFilter.doFilter(VirtualUriFilter.java:68)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.module.cache.executor.Bypass.processCacheRequest(Bypass.java:58)
	at info.magnolia.module.cache.executor.CompositeExecutor.processCacheRequest(CompositeExecutor.java:66)
	at info.magnolia.module.cache.filter.CacheFilter.doFilter(CacheFilter.java:153)
	at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:58)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.i18n.I18nContentSupportFilter.doFilter(I18nContentSupportFilter.java:73)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.RangeSupportFilter.doFilter(RangeSupportFilter.java:84)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.security.BaseSecurityFilter.doFilter(BaseSecurityFilter.java:57)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
	at info.magnolia.cms.security.SecurityCallbackFilter.doFilter(SecurityCallbackFilter.java:83)
	at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:58)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.security.LogoutFilter.doFilter(LogoutFilter.java:93)
	at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:58)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.module.templatingkit.filters.SiteMergeFilter.doFilter(SiteMergeFilter.java:112)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.multisite.filters.MultiSiteFilter.doFilter(MultiSiteFilter.java:106)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.MultiChannelFilter.doFilter(MultiChannelFilter.java:82)
	at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:58)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.module.cache.filter.GZipFilter.doFilter(GZipFilter.java:73)
	at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:58)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
	at info.magnolia.cms.security.auth.login.LoginFilter.doFilter(LoginFilter.java:104)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.enterprise.registration.RegistrationFilter.doFilter(RegistrationFilter.java:56)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
	at info.magnolia.module.devicedetection.filter.DeviceDetectionFilter.doFilter(DeviceDetectionFilter.java:71)
	at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:58)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.personalization.preview.filter.PreviewFilter.doFilter(PreviewFilter.java:86)
	at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:58)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.personalization.trait.AbstractTraitDetectorFilter.doFilter(AbstractTraitDetectorFilter.java:61)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.ContentTypeFilter.doFilter(ContentTypeFilter.java:103)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.ContextFilter.doFilter(ContextFilter.java:129)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:80)
	at info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:65)
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:90)
	at info.magnolia.cms.filters.SafeDestroyMgnlFilterWrapper.doFilter(SafeDestroyMgnlFilterWrapper.java:106)
	at info.magnolia.cms.filters.MgnlFilterDispatcher.doDispatch(MgnlFilterDispatcher.java:66)
	at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:107)
	at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:93)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1041)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:603)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
	at java.lang.Thread.run(Thread.java:695)