HI sbiwal, senthilkumar,Ruchika, please help me regarding this ipc issue.... I am explaning my problem here, Can anyone help me in IPC problem. I have portlet A and portlet B. I am trying to trigger from portlet A The problem is request havent went for processaction method in porltet B. Steps i have followed is... 1. I have created a war file war files contains web-inf and meta-inf. in meta-inf i have jboss-service.xml Inside this xml i have following code <?xml version="1.0" encoding="UTF-8"?> server> <!-- A sample listener --> <mbean code="org.jboss.portal.core.event.PortalEventListenerServiceImpl" name="portal:service=ListenerService,type=test_listener" xmbean-dd="" xmbean-code="org.jboss.portal.jems.as.system.JBossServiceModelMBean"> <depends optional-attribute-name="Registry" proxy-type="attribute">portal:service=ListenerRegistry test_listener <!-- org.jboss.portal.core.samples.basic.event.PortletB$Listener--> layout.test.PortletB1$Listener I created PortletB1.java class in layout.test. package and *-object.xml file is as follows: <if-exists>overwrite</if-exists> <parent-ref>Lay</parent-ref> <page-name>event test</page-name> <window-name>CatalogPortletWindow</window-name> <instance-ref>CatalogPortletInstance</instance-ref> left 0 <window-name>PortletA1Window</window-name> <instance-ref>PortletA1Instance</instance-ref> test_listener center 0 <window-name>PortletB1Window</window-name> <instance-ref>PortletB1Instance</instance-ref> center 1 I am creating war file ant deploying it, when ever I am trying to submit it is displaying error msg? on which format I want to deploy as .sar or .war file format. plz help me regarding this issue.. or give me suggestions (you may mail to dileep4u.mca(a)gmail.com) waiting for your reply..sbiwal,senthil,ruchika Thanks & Regards, Dileep View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4161927#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...