Getting java.lang.IndexOutOfBoundsException: Index: 0, Size: 0 in JSF

Issue

• Getting an intermittent issue in the JSF application deployed on Red Hat JBoss EAP 6.1.1 on a cluster where session replication and failover is involved:-

  ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/AAAA-sBBBB].[Faces Servlet]] (ajp-/0.0.0.0:8009-2) JBWEB000236: Servlet.service() for servlet Faces Servlet threw  exception: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
    at java.util.ArrayList.rangeCheck(ArrayList.java:635) [rt.jar:1.7.0_55]
    at java.util.ArrayList.get(ArrayList.java:411) [rt.jar:1.7.0_55]
    at javax.faces.component.AttachedObjectListHolder.restoreState(AttachedObjectListHolder.java:165) [jboss-jsf-api_2.1_spec-2.1.19.1.Final-redhat-1.jar:2.1.19.1.Final-redhat-1]
    at javax.faces.component.UIComponentBase.restoreState(UIComponentBase.java:1566) [jboss-jsf-api_2.1_spec-2.1.19.1.Final-redhat-1.jar:2.1.19.1.Final-redhat-1]
    at com.sun.faces.application.view.FaceletPartialStateManagementStrategy$2.visit(FaceletPartialStateManagementStrategy.java:380) [jsf-impl-2.1.19-redhat-1.jar:2.1.19-redhat-1]
        ...
    at org.jboss.modcluster.container.jbossweb.JBossWebContext$RequestListenerValve.event(JBossWebContext.java:91)
    at org.jboss.modcluster.container.jbossweb.JBossWebContext$RequestListenerValve.invoke(JBossWebContext.java:72)
        ...