ArrayIndexOutOfBoundsException in WSRP Producer

Issue

WSRP communication fails until a restart of both producer and consumer servers. During the outage ArrayIndexOutOfBoundsExceptions are observed on producer side.

Stacktrace of the exception:

2013-08-16 16:44:13,133 ERROR [org.jboss.ws.core.jaxws.SOAPFaultHelperJAXWS] SOAP request exception
java.lang.ArrayIndexOutOfBoundsException: 26
        at java.util.ArrayList.clear(ArrayList.java:453)
        at org.gatein.wsrp.producer.handlers.ServiceDescriptionHandler$ServiceDescriptionInfo.updatePortletDescriptions(ServiceDescriptionHandler.java:510)
        at org.gatein.wsrp.producer.handlers.ServiceDescriptionHandler$ServiceDescriptionInfo.access$200(ServiceDescriptionHandler.java:399)
        at org.gatein.wsrp.producer.handlers.ServiceDescriptionHandler.getServiceDescription(ServiceDescriptionHandler.java:138)
        at org.gatein.wsrp.producer.WSRPProducerImpl.getServiceDescription(WSRPProducerImpl.java:197)
        at org.gatein.wsrp.endpoints.v2.ServiceDescriptionEndpoint.getServiceDescription(ServiceDescriptionEndpoint.java:93)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.jboss.wsf.container.jboss50.invocation.InvocationHandlerJSE.invoke(InvocationHandlerJSE.java:117)
        at org.jboss.ws.core.server.ServiceEndpointInvoker.invoke(ServiceEndpointInvoker.java:241)
        at org.jboss.wsf.stack.jbws.RequestHandlerImpl.processRequest(RequestHandlerImpl.java:469)
        at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleRequest(RequestHandlerImpl.java:294)
        at org.jboss.wsf.stack.jbws.RequestHandlerImpl.doPost(RequestHandlerImpl.java:203)
        at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleHttpRequest(RequestHandlerImpl.java:129)
        at org.jboss.wsf.common.servlet.AbstractEndpointServlet.service(AbstractEndpointServlet.java:85)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)