[gatein-issues] [JBoss JIRA] Commented: (GTNPORTAL-1829) ConcurrentModificationException occurs while changing color of hamster gadget

[ https://issues.jboss.org/browse/GTNPORTAL-1829?page=com.atlassian.jira.pl... ] Minh Hoang TO commented on GTNPORTAL-1829: ------------------------------------------ As Dashboard portlet is rendered, following thing happens 1. Clear children of UIDashboardContainer 's child (the UIContainer templatized with UIColumnContainer.gtmpl) 2. The template UIColumnContainer.gtmpl is processed, that leads to a loop on the children of UIContainer mentioned in (1) In the case of hamster gadget, there are multiple requests to trigger the SaveUserPrefActionListener listener. Because the listener rerender the Dashboard portlet, multiple requests triggering SaveUserPref would generate interferenced read/write on the list of UIColumnContainer 's children -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira