We are getting the following error sporadically. Can anyone shed any light on this for us?
org.apache.hivemind.ApplicationRuntimeException: No engine service named *(arbitrary string here - usually a bogus email address)* at org.apache.tapestry.services.impl.ServiceMapImpl.buildProxy( ServiceMapImpl.java:143) at org.apache.tapestry.services.impl.ServiceMapImpl.getService( ServiceMapImpl.java:105) at $ServiceMap_10cb01fc8b0.getService($ServiceMap_10cb01fc8b0.java) at org.apache.tapestry.engine.RequestCycle.getService(RequestCycle.java:202) at org.apache.tapestry.engine.AbstractEngine.service(AbstractEngine.java :241) at org.apache.tapestry.services.impl.InvokeEngineTerminator.service( InvokeEngineTerminator.java:60) at $WebRequestServicer_10cb01fc8e0.service($WebRequestServicer_10cb01fc8e0.java) at $WebRequestServicer_10cb01fc8dc.service($WebRequestServicer_10cb01fc8dc.java) at org.apache.tapestry.services.impl.WebRequestServicerPipelineBridge.service( WebRequestServicerPipelineBridge.java:56) at $ServletRequestServicer_10cb01fc8c0.service($ServletRequestServicer_10cb01fc8c0.java) at org.apache.tapestry.request.DecodedRequestInjector.service( DecodedRequestInjector.java:55) at $ServletRequestServicerFilter_10cb01fc8bc.service($ServletRequestServicerFilter_10cb01fc8bc.java) at $ServletRequestServicer_10cb01fc8c2.service($ServletRequestServicer_10cb01fc8c2.java) at org.apache.tapestry.multipart.MultipartDecoderFilter.service( MultipartDecoderFilter.java:52) at $ServletRequestServicerFilter_10cb01fc8ba.service($ServletRequestServicerFilter_10cb01fc8ba.java) at $ServletRequestServicer_10cb01fc8c2.service($ServletRequestServicer_10cb01fc8c2.java) at org.apache.tapestry.services.impl.SetupRequestEncoding.service( SetupRequestEncoding.java:53) at $ServletRequestServicerFilter_10cb01fc8be.service($ServletRequestServicerFilter_10cb01fc8be.java) at $ServletRequestServicer_10cb01fc8c2.service($ServletRequestServicer_10cb01fc8c2.java) at $ServletRequestServicer_10cb01fc8b4.service($ServletRequestServicer_10cb01fc8b4.java) at org.apache.tapestry.ApplicationServlet.doService(ApplicationServlet.java :123) at org.apache.tapestry.ApplicationServlet.doPost(ApplicationServlet.java :168) at javax.servlet.http.HttpServlet.service(HttpServlet.java:709) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter( ApplicationFilterChain.java:173) at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal (OpenSessionInViewFilter.java:174) at org.springframework.web.filter.OncePerRequestFilter.doFilter( OncePerRequestFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter( ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter( ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke( StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke( StandardContextValve.java:178) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java :126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java :105) at org.apache.catalina.core.StandardEngineValve.invoke( StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java :148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java :869) at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection (Http11BaseProtocol.java:667) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket( PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt( LeaderFollowerWorkerThread.java:80) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run( ThreadPool.java:684) at java.lang.Thread.run(Thread.java:595)