cfcookie not working

our plattform is:

coldfusion 9.01

windows 2003

iis 6

we did not upload code or did on server. our site unresponsive , restarted server.

after getting following when hitting pages try accdess cookies, can't access coldfusion admin running on coldfusion built in server.:

any ideas?

05/01 17:24:07 error root cause:

java.lang.illegalaccesserror: tried access method coldfusion.runtime.neopagecontext.isundercfthread()z class coldfusion.runtime.cookiescope

at coldfusion.runtime.cookiescope.bindname(cookiescope.java:90)

at coldfusion.runtime.cookiescope.bindasscaler(cookiescope.java:81)

at coldfusion.runtime.neopagecontext.symtab_setsplitnameinmap(neopagecontext.java:1389)

at coldfusion.runtime.neopagecontext.symtab_setvalidatedsplitnameinstring(neopagecontext.jav a:1355)

at coldfusion.runtime.neopagecontext.symtab_setvalidateddottedname(neopagecontext.java:1437)

at coldfusion.runtime.neopagecontext.setvalidatedattribute(neopagecontext.java:571)

at coldfusion.runtime.neopagecontext.setattribute(neopagecontext.java:434)

at coldfusion.runtime.neopagecontext.setattribute(neopagecontext.java:427)

at coldfusion.runtime.securityscopetracker.setsecuritycookie(securityscopetracker.java:126)

at coldfusion.runtime.securityscopetracker.logout(securityscopetracker.java:85)

at coldfusion.tagext.security.logouttag.dostarttag(logouttag.java:20)

at coldfusion.runtime.cfjsppage._emptytcftag(cfjsppage.java:2722)

at cflogin2ecfm1599616868.runpage(c:\work\coldfusion\cf9_u1_final_hotfix\cfusion\wwwroot\cfi de\administrator\login.cfm:11)

at coldfusion.runtime.cfjsppage.invoke(cfjsppage.java:231)

at coldfusion.tagext.lang.includetag.dostarttag(includetag.java:416)

at coldfusion.runtime.cfjsppage._emptytcftag(cfjsppage.java:2722)

at cfapplication2ecfm1920815415._factor5(c:\work\cf9_u1_final_hotfix\cfusion\wwwroot\cfide\a dministrator\application.cfm:210)

at cfapplication2ecfm1920815415._factor9(c:\work\cf9_u1_final_hotfix\cfusion\wwwroot\cfide\a dministrator\application.cfm:202)

at cfapplication2ecfm1920815415.runpage(c:\work\cf9_u1_final_hotfix\cfusion\wwwroot\cfide\ad ministrator\application.cfm:1)

at coldfusion.runtime.cfjsppage.invoke(cfjsppage.java:231)

at coldfusion.tagext.lang.includetag.dostarttag(includetag.java:416)

at coldfusion.filter.cfincludefilter.invoke(cfincludefilter.java:65)

at coldfusion.filter.cfincludefilter.include(cfincludefilter.java:33)

at coldfusion.filter.applicationfilter.invoke(applicationfilter.java:297)

at coldfusion.filter.requestmonitorfilter.invoke(requestmonitorfilter.java:48)

at coldfusion.filter.monitoringfilter.invoke(monitoringfilter.java:40)

at coldfusion.filter.pathfilter.invoke(pathfilter.java:94)

at coldfusion.filter.exceptionfilter.invoke(exceptionfilter.java:70)

at coldfusion.filter.clientscopepersistencefilter.invoke(clientscopepersistencefilter.java:2 8)

at coldfusion.filter.browserfilter.invoke(browserfilter.java:38)

at coldfusion.filter.nocachefilter.invoke(nocachefilter.java:46)

at coldfusion.filter.globalsfilter.invoke(globalsfilter.java:38)

at coldfusion.filter.datasourcefilter.invoke(datasourcefilter.java:22)

at coldfusion.filter.cachingfilter.invoke(cachingfilter.java:62)

at coldfusion.cfmservlet.service(cfmservlet.java:201)

at coldfusion.bootstrap.bootstrapservlet.service(bootstrapservlet.java:89)

at jrun.servlet.filterchain.dofilter(filterchain.java:86)

at coldfusion.monitor.event.monitoringservletfilter.dofilter(monitoringservletfilter.java:42 )

at coldfusion.bootstrap.bootstrapfilter.dofilter(bootstrapfilter.java:46)

at jrun.servlet.filterchain.dofilter(filterchain.java:94)

at jrun.servlet.filterchain.service(filterchain.java:101)

at jrun.servlet.servletinvoker.invoke(servletinvoker.java:106)

at jrun.servlet.jruninvokerchain.invokenext(jruninvokerchain.java:42)

at jrun.servlet.jrunrequestdispatcher.invoke(jrunrequestdispatcher.java:286)

at jrun.servlet.servletengineservice.dispatch(servletengineservice.java:543)

at jrun.servlet.http.webservice.invokerunnable(webservice.java:172)

at jrunx.scheduler.threadpool$threadthrottle.invokerunnable(threadpool.java:428)

at jrunx.scheduler.workerthread.run(workerthread.java:66)

javax.servlet.servletexception: root cause: