Hi,
I am new to Portal and JBoss environment and I am trying to deploy a simple application but I am getting the following error:
Can anyone help me to resolve this?

14:37:00,867 ERROR [MainDeployer] Could not start deployment: file:/C:/jboss-portal-2.6.3.GA/server/default/tmp/deploy/tmp5932Testportlet-exp.war/WEB-INF/
org.jboss.deployment.DeploymentException: Not a page; - nested throwable: (java.lang.IllegalArgumentException: Not a page)
 at org.jboss.portal.core.deployment.jboss.ObjectDeployment.start(ObjectDeployment.java:101)
 at org.jboss.portal.server.deployment.jboss.DeploymentContext.start(DeploymentContext.java:99)
 at org.jboss.portal.server.deployment.jboss.PortalDeploymentInfoContext.start(PortalDeploymentInfoContext.java:211)
 at org.jboss.portal.server.deployment.jboss.ServerDeployer.start(ServerDeployer.java:217)
 at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
 at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
 at sun.reflect.GeneratedMethodAccessor237.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
 at java.lang.reflect.Method.invoke(Unknown Source)