java - XPages: another unexplainable message -


as follow-up of earlier question (see question), here's 1 more interesting case. sometimes, quite random, following error pops up:

16/07/15 10:00: exception thrown com.ibm.xsp.acl.noaccesssignal     @ com.ibm.domino.xsp.module.nsf.notescontext.checkaccess(notescontext.java:1726)     @ com.ibm.domino.xsp.module.nsf.notescontext.serverprocesssignedresource(notescontext.java:999)     @ com.ibm.domino.xsp.module.nsf.notescontext.setsignersessionrights(notescontext.java:956)     @ com.ibm.domino.xsp.module.nsf.moduleclassloader$dynamicclassloader.loadclass(moduleclassloader.java:407)     @ com.ibm.domino.xsp.module.nsf.moduleclassloader.loadclass(moduleclassloader.java:218)     @ com.ibm.designer.runtime.application.loadclass(application.java:708)     @ com.ibm.xsp.library.applicationfacesclassloader.loadclass(applicationfacesclassloader.java:54)     @ com.ibm.xsp.page.compiled.compiledpagedriver.getclassforpagename(compiledpagedriver.java:169)     @ com.ibm.xsp.page.compiled.compiledpagedriver.loadpage(compiledpagedriver.java:61)     @ com.ibm.xsp.application.viewhandlereximpl._createviewroot(viewhandlereximpl.java:499)     @ com.ibm.xsp.application.viewhandlereximpl.createviewroot(viewhandlereximpl.java:567)     @ com.ibm.xsp.application.viewhandlereximpl.docreateview(viewhandlereximpl.java:142)     @ com.ibm.xsp.application.viewhandlerex.createview(viewhandlerex.java:90)     @ com.ibm.xsp.webapp.facesservlet.serviceview(facesservlet.java:251)     @ com.ibm.xsp.webapp.facesservletex.serviceview(facesservletex.java:157)     @ com.ibm.xsp.webapp.facesservlet.service(facesservlet.java:160)     @ com.ibm.xsp.webapp.facesservletex.service(facesservletex.java:138)     @ com.ibm.xsp.webapp.designerfacesservlet.service(designerfacesservlet.java:103)     @ com.ibm.designer.runtime.domino.adapter.componentmodule.invokeservlet(componentmodule.java:576)     @ com.ibm.domino.xsp.module.nsf.nsfcomponentmodule.invokeservlet(nsfcomponentmodule.java:1335)     @ com.ibm.designer.runtime.domino.adapter.componentmodule$adapterinvoker.invokeservlet(componentmodule.java:853)     @ com.ibm.designer.runtime.domino.adapter.componentmodule$servletinvoker.doservice(componentmodule.java:796)     @ com.ibm.designer.runtime.domino.adapter.componentmodule.doservice(componentmodule.java:565)     @ com.ibm.domino.xsp.module.nsf.nsfcomponentmodule.doservice(nsfcomponentmodule.java:1319)     @ com.ibm.domino.xsp.module.nsf.nsfservice.doserviceinternal(nsfservice.java:662)     @ com.ibm.domino.xsp.module.nsf.nsfservice.doservice(nsfservice.java:482)     @ com.ibm.designer.runtime.domino.adapter.lcdenvironment.doservice(lcdenvironment.java:357)     @ com.ibm.designer.runtime.domino.adapter.lcdenvironment.service(lcdenvironment.java:313)     @ com.ibm.domino.xsp.bridge.http.engine.xspcmdmanager.service(xspcmdmanager.java:272) 

the user logged in, has permissions, nothing out of ordinary, might have done same action many times in row (while testing, opening , saving documents, etc.) , error occurs. our application strange one: multiple active xpages in several windows or iframes, , data kept "in memory".

any idea?

one line jumps out:

at com.ibm.domino.xsp.module.nsf.notescontext.setsignersessionrights(notescontext.java:956)

does application use sessionassigner? if so, xpages-related design elements signed same id? if not, ensure are.

i'm not sure latest symptoms of are, in earlier releases caused crashes.


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