Cold Fusion 8.0.1 returning 500 java.lang.AbstractMethodError: getPostParametersLimit() error

I have a Windows 2008 IIS 7 web server running Cold Fusion 8.0.1.  This morning this server began returning an error for, apparently, all actual form submissions.  Regular pages, even if they build dynamically via data being selected from a database, work just fine.  Anything that gets submitted, it appears by an action="post", query searches, basic email form submissions, even the CF Administrator login submission fail.  I'm not sure if a database search using a method="get" works or not as these types of pages are secondary to applications that require a login submission first.

I have searched extensively through the Adobe site, the forums site and the internet at large (using Google and Yahoo) for keys from the error message but to no avail.  All post submissions are returning this error:

500
ROOT CAUSE:
java.lang.AbstractMethodError: coldfusion.server.jrun4.RuntimeHelper.getPostParametersLimit()I
at coldfusion.filter.FormScope.parseQueryString(FormScope.java:350)
at coldfusion.filter.FormScope.parsePostData(FormScope.java:328)
at coldfusion.filter.FormScope.fillForm(FormScope.java:278)
at coldfusion.filter.FusionContext.SymTab_initForRequest(FusionContext.java:438)
at coldfusion.filter.GlobalsFilter.invoke(GlobalsFilter.java:33)
at coldfusion.filter.DatasourceFilter.invoke(DatasourceFilter.java:22)
at coldfusion.filter.RequestThrottleFilter.invoke(RequestThrottleFilter.java:126)
at coldfusion.CfmServlet.service(CfmServlet.java:198)
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.jrpp.JRunProxyService.invokeRunnable(JRunProxyService.java:203)
at jrunx.scheduler.ThreadPool$DownstreamMetrics.invokeRunnable(ThreadPool.java:320)
at jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.java:428)
at jrunx.scheduler.ThreadPool$UpstreamMetrics.invokeRunnable(ThreadPool.java:266)
at jrunx.scheduler.WorkerThread.run(WorkerThread.java:66)

javax.servlet.ServletException: ROOT CAUSE:
java.lang.AbstractMethodError: coldfusion.server.jrun4.RuntimeHelper.getPostParametersLimit()I
at coldfusion.filter.FormScope.parseQueryString(FormScope.java:350)
at coldfusion.filter.FormScope.parsePostData(FormScope.java:328)
at coldfusion.filter.FormScope.fillForm(FormScope.java:278)
at coldfusion.filter.FusionContext.SymTab_initForRequest(FusionContext.java:438)
at coldfusion.filter.GlobalsFilter.invoke(GlobalsFilter.java:33)
at coldfusion.filter.DatasourceFilter.invoke(DatasourceFilter.java:22)
at coldfusion.filter.RequestThrottleFilter.invoke(RequestThrottleFilter.java:126)
at coldfusion.CfmServlet.service(CfmServlet.java:198)
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.jrpp.JRunProxyService.invokeRunnable(JRunProxyService.java:203)
at jrunx.scheduler.ThreadPool$DownstreamMetrics.invokeRunnable(ThreadPool.java:320)
at jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.java:428)
at jrunx.scheduler.ThreadPool$UpstreamMetrics.invokeRunnable(ThreadPool.java:266)
at jrunx.scheduler.WorkerThread.run(WorkerThread.java:66)

at coldfusion.monitor.event.MonitoringServletFilter.doFilter(MonitoringServletFilter.java:70 )
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.jrpp.JRunProxyService.invokeRunnable(JRunProxyService.java:203)
at jrunx.scheduler.ThreadPool$DownstreamMetrics.invokeRunnable(ThreadPool.java:320)
at jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.java:428)
at jrunx.scheduler.ThreadPool$UpstreamMetrics.invokeRunnable(ThreadPool.java:266)
at jrunx.scheduler.WorkerThread.run(WorkerThread.java:66)

   Since this is a public access production server, I'd appreciate it greatly if, in addition to answering in this forum, you could copy any solutions you may have directly to my email address. 

jon.eckerle@cio.idaho.gov

Thanks in advance.