I have an XPages app running on 8.5.3 UP1 with a mobile controls interface. It works fine on my dev and test servers, but in production we're seeing the following intermittent error when a user clicks the "Load More" button in the view control:

5/10/12 4:12 PM: Exception Thrown com.ibm.xsp.acl.NoAccessSignal at com.ibm.domino.xsp.module.nsf.NotesContext.checkAccess(NotesContext.java:1611) at com.ibm.domino.xsp.module.nsf.NotesContext.serverProcessSignedResource(NotesContext.java:955) at com.ibm.domino.xsp.module.nsf.NotesContext.setSignerSessionRights(NotesContext.java:926) at com.ibm.domino.xsp.module.nsf.ModuleClassLoader$DynamicClassLoader.loadClass(ModuleClassLoader.java:349) at java.lang.ClassLoader.loadClass(ClassLoader.java:619) at com.ibm.domino.xsp.module.nsf.ModuleClassLoader.loadClass(ModuleClassLoader.java:171) at java.lang.ClassLoader.loadClass(ClassLoader.java:619) at com.ibm.designer.runtime.Application.loadClass(Application.java:708) at com.ibm.xsp.library.ApplicationFacesClassLoader.loadClass(ApplicationFacesClassLoader.java:54) at com.ibm.xsp.page.compiled.CompiledPageDriver.getClassForPageName(CompiledPageDriver.java:166) at com.ibm.xsp.page.compiled.CompiledPageDriver.loadPage(CompiledPageDriver.java:61) at com.ibm.xsp.application.ViewHandlerExImpl._createViewRoot(ViewHandlerExImpl.java:489) at com.ibm.xsp.application.ViewHandlerExImpl.createViewRoot(ViewHandlerExImpl.java:557) at com.ibm.xsp.application.ViewHandlerExImpl.doCreateView(ViewHandlerExImpl.java:141) at com.ibm.xsp.application.ViewHa ndlerEx.createView(ViewHandlerEx.java:90) at com.ibm.xsp.webapp.FacesServlet.serviceView(FacesServlet.java:238) at com.ibm.xsp.webapp.FacesServletEx.serviceView(FacesServletEx.java:200) at com.ibm.xsp.webapp.FacesServlet.service(FacesServlet.java:160) at com.ibm.xsp.webapp.FacesServletEx.service(FacesServletEx.java:137) at com.ibm.xsp.webapp.DesignerFacesServlet.service(DesignerFacesServlet.java:103) at com.ibm.designer.runtime.domino.adapter.ComponentModule.invokeServlet(ComponentModule.java:576) at com.ibm.domino.xsp.module.nsf.NSFComponentModule.invokeServlet(NSFComponentModule.java:1267) at com.ibm.designer.runtime.domino.adapter.ComponentModule$AdapterInvoker.invokeServlet(ComponentModule.java:847) at com.ibm.designer.runtime.domino.adapter.ComponentModule$ServletInvoker.doSe rvice(ComponentModule.java:796) at com.ibm.designer.runtime.domino.adapter.ComponentModule.doService(ComponentModule.java:565) at com.ibm.domino.xsp.module.nsf.NSFComponentModule.doService(NSFComponentModule.java:1251) at com.ibm.domino.xsp.module.nsf.NSFService.doServiceInternal(NSFService.java:598) at com.ibm.domino.xsp.module.nsf.NSFService.doService(NSFService.java:421) at com.ibm.designer.runtime.domino.adapter.LCDEnvironment.doService(LCDEnvironment.java:341) at com.ibm.designer.runtime.domino.adapter.LCDEnvironment.service(LCDEnvironment.java:297) at com.ibm.domino.xsp.bridge.http.engine.XspCmdManager.service(XspCmdManager.java:272)

5/10/12 4:43 PM: Exception Thrown com.ibm.xsp.acl.NoAccessSignal at com.ibm.domino.xsp.module.nsf.NotesContext.checkAccess(NotesContext.java:1611) &nbsp ; at com.ibm.domino.xsp.module.nsf.NotesContext.serverProcessSignedResource(NotesContext.java:955) at com.ibm.domino.xsp.module.nsf.NotesContext.setSignerSessionRights(NotesContext.java:926) at com.ibm.domino.xsp.module.nsf.ModuleClassLoader$DynamicClassLoader.loadClass(ModuleClassLoader.java:349) at java.lang.ClassLoader.loadClass(ClassLoader.java:619) at com.ibm.domino.xsp.module.nsf.ModuleClassLoader.loadClass(ModuleClassLoader.java:171) at java.lang.ClassLoader.loadClass(ClassLoader.java:619) at com.ibm.designer.runtime.Application.loadClass(Application.java:708) at com.ibm.xsp.library.ApplicationFacesClassLoader.loadClass(ApplicationFacesClassLoader.java:54) at com.ibm.xsp.page.compiled.CompiledPageDriver.getClassForPageName(CompiledPageDriver.java:166) at com.ibm .xsp.page.compiled.CompiledPageDriver.loadPage(CompiledPageDriver.java:61) at com.ibm.xsp.application.ViewHandlerExImpl._createViewRoot(ViewHandlerExImpl.java:489) at com.ibm.xsp.application.ViewHandlerExImpl.createViewRoot(ViewHandlerExImpl.java:557) at com.ibm.xsp.application.ViewHandlerExImpl.doCreateView(ViewHandlerExImpl.java:141) at com.ibm.xsp.application.ViewHandlerEx.createView(ViewHandlerEx.java:90) at com.ibm.xsp.webapp.FacesServlet.serviceView(FacesServlet.java:238) at com.ibm.xsp.webapp.FacesServletEx.serviceView(FacesServletEx.java:200) at com.ibm.xsp.webapp.FacesServlet.service(FacesServlet.java:160) at com.ibm.xsp.webapp.FacesServletEx.service(FacesServletEx.java:137) at com.ibm.xsp.webapp.DesignerFacesServlet.service(DesignerFacesServlet.java:103) & nbsp; at com.ibm.designer.runtime.domino.adapter.ComponentModule.invokeServlet(ComponentModule.java:576) at com.ibm.domino.xsp.module.nsf.NSFComponentModule.invokeServlet(NSFComponentModule.java:1267) at com.ibm.designer.runtime.domino.adapter.ComponentModule$AdapterInvoker.invokeServlet(ComponentModule.java:847) at com.ibm.designer.runtime.domino.adapter.ComponentModule$ServletInvoker.doService(ComponentModule.java:796) at com.ibm.designer.runtime.domino.adapter.ComponentModule.doService(ComponentModule.java:565) at com.ibm.domino.xsp.module.nsf.NSFComponentModule.doService(NSFComponentModule.java:1251) at com.ibm.domino.xsp.module.nsf.NSFService.doServiceInternal(NSFService.java:598) at com.ibm.domino.xsp.module.nsf.NSFService.doService(NSFService.java:421) at com.ibm.designer.runtime.domino.adapter. LCDEnvironment.doService(LCDEnvironment.java:341) at com.ibm.designer.runtime.domino.adapter.LCDEnvironment.service(LCDEnvironment.java:297) at com.ibm.domino.xsp.bridge.http.engine.XspCmdManager.service(XspCmdManager.java:272)

Any thoughts would be appreciated.

Matt