GerritTrigger is creating multiple gerrit event listeners for a single project

Dear All, I am facing one problem with Gerrit Trigger Plugin version 2.5.2 I has seen log telling one event is interested for by three listeners for the same project. But I am not understanding, how the three listener is creating for the same project. If anybody faced the same problem, please let

Any way to enable auto upgredation notification for Jenkins updation on my Jenkins steup

Dear all, I had seen in Jenkins, if any updation on the installed plugins, then it will show in the Manage Jenkins->Manage Plugins->Updates. Is there any way to get notification about updations on Jenkins.war on my jenkins setup. Is sombody have any idea on this.. please replay... Thanks in adv