[Coldbox 7.3.0] Wirebox Occasionally Can't Find Instance

DaveL · February 13, 2025, 6:40pm

Over the past several years, I get seemingly random weekly intermittent error notifications that Wirebox can’t find am instance of a class when it indeed exists and the code works 99% of the time.

A little background of the server and app:

Currently running ACF 2021.0.18
applicationTimeout is set to one month and website traffic is steady just about every day, so I don’t think it’s a timeout issue.
The class in the error message is a transient Quick entity.

Here’s an example of an error notification I received last night:
Error calling v1:maintenance.run: Instance not found: ‘models.license.AZLicenseMaintenanceTask’ The instance could not be located in any declared scan location(s) (models) or full path location or parent or children

Full Stack Trace:

coldfusion.runtime.CustomException: Instance not found: 'models.license.AZLicenseMaintenanceTask'
   at coldfusion.tagext.lang.ThrowTag.doStartTag(ThrowTag.java:139 undefined)
   at coldfusion.runtime.CfJspPage._emptyTag(CfJspPage.java:5264 undefined)
   at cfInjector2ecfc981719505$funcGETINSTANCE.runFunction(C:\websites\mysite.com\wwwroot\coldbox\system\ioc\Injector.cfc:555 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:623 undefined)
   at coldfusion.runtime.UDFMethod$ArgumentCollectionFilter.invoke(UDFMethod.java:516 undefined)
   at coldfusion.filter.FunctionAccessFilter.invoke(FunctionAccessFilter.java:95 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:463 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:438 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:310 undefined)
   at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:975 undefined)
   at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:696 undefined)
   at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:503 undefined)
   at coldfusion.runtime.CfJspPage._invoke(CfJspPage.java:4327 undefined)
   at coldfusion.runtime.CfJspPage._invoke(CfJspPage.java:4290 undefined)
   at cfMaintenance2ecfc416524790$func_CF_ANONYMOUSCLOSURE_117.runFunction(C:\websites\mysite.com\wwwroot\models\maintenance\Maintenance.cfc:95 undefined)
   at coldfusion.runtime.Closure.invoke(Closure.java:171 undefined)
   at coldfusion.runtime.UDFMethod$ArgumentCollectionFilter.invoke(UDFMethod.java:516 undefined)
   at coldfusion.filter.FunctionAccessFilter.invoke(FunctionAccessFilter.java:95 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:463 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:438 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:310 undefined)
   at coldfusion.runtime.CfJspPage._invokeUDF(CfJspPage.java:5084 undefined)
   at coldfusion.runtime.CfJspPage._invokeUDF(CfJspPage.java:5064 undefined)
   at coldfusion.runtime.ArrayUtil.ArrayEach(ArrayUtil.java:1016 undefined)
   at coldfusion.runtime.CFPage.ArrayEach(CFPage.java:1704 undefined)
   at coldfusion.runtime.CfJspPage.invokeMethodHandle(CfJspPage.java:4561 undefined)
   at coldfusion.runtime.CfJspPage._invoke(CfJspPage.java:4414 undefined)
   at coldfusion.runtime.CfJspPage._invoke(CfJspPage.java:4290 undefined)
   at cfMaintenance2ecfc416524790$funcRUNTASKS.runFunction(C:\websites\mysite.com\wwwroot\models\maintenance\Maintenance.cfc:92 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:623 undefined)
   at coldfusion.runtime.UDFMethod$ReturnTypeFilter.invoke(UDFMethod.java:553 undefined)
   at coldfusion.runtime.UDFMethod$ArgumentCollectionFilter.invoke(UDFMethod.java:516 undefined)
   at coldfusion.filter.FunctionAccessFilter.invoke(FunctionAccessFilter.java:95 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:463 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:438 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:310 undefined)
   at coldfusion.runtime.CfJspPage._invokeUDF(CfJspPage.java:5084 undefined)
   at coldfusion.runtime.CfJspPage._invokeUDF(CfJspPage.java:5064 undefined)
   at cfMaintenance2ecfc416524790$funcRUN.runFunction(C:\websites\mysite.com\wwwroot\models\maintenance\Maintenance.cfc:75 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:623 undefined)
   at coldfusion.runtime.UDFMethod$ArgumentCollectionFilter.invoke(UDFMethod.java:516 undefined)
   at coldfusion.filter.FunctionAccessFilter.invoke(FunctionAccessFilter.java:95 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:463 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:438 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:310 undefined)
   at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:975 undefined)
   at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:696 undefined)
   at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:503 undefined)
   at coldfusion.runtime.CfJspPage._invoke(CfJspPage.java:4327 undefined)
   at coldfusion.runtime.CfJspPage._invoke(CfJspPage.java:4290 undefined)
   at cfMaintenance2ecfc1367478335$funcRUN.runFunction(C:\websites\mysite.com\wwwroot\modules_app\api\modules_app\v1\handlers\Maintenance.cfc:165 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:623 undefined)
   at coldfusion.runtime.UDFMethod$ArgumentCollectionFilter.invoke(UDFMethod.java:516 undefined)
   at coldfusion.filter.FunctionAccessFilter.invoke(FunctionAccessFilter.java:95 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:463 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:438 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:681 undefined)
   at coldfusion.runtime.CfJspPage._invoke(CfJspPage.java:4244 undefined)
   at coldfusion.runtime.CfJspPage._invoke(CfJspPage.java:4202 undefined)
   at cfRestHandler2ecfc1754121603$funcAROUNDHANDLER.runFunction(C:\websites\mysite.com\wwwroot\coldbox\system\RestHandler.cfc:58 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:623 undefined)
   at coldfusion.runtime.UDFMethod$ArgumentCollectionFilter.invoke(UDFMethod.java:516 undefined)
   at coldfusion.filter.FunctionAccessFilter.invoke(FunctionAccessFilter.java:95 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:463 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:438 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:681 undefined)
   at coldfusion.runtime.CfJspPage._invokeUDF(CfJspPage.java:4982 undefined)
   at coldfusion.runtime.CfJspPage._invokeUDF(CfJspPage.java:4963 undefined)
   at coldfusion.runtime.SuperScope.invoke(SuperScope.java:18 undefined)
   at coldfusion.runtime.CfJspPage._invoke(CfJspPage.java:4238 undefined)
   at coldfusion.runtime.CfJspPage._invoke(CfJspPage.java:4202 undefined)
   at cfBaseHandler2ecfc2029082778$funcAROUNDHANDLER.runFunction(C:\websites\mysite.com\wwwroot\modules_app\api\modules_app\v1\handlers\BaseHandler.cfc:37 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:623 undefined)
   at coldfusion.runtime.UDFMethod$ArgumentCollectionFilter.invoke(UDFMethod.java:516 undefined)
   at coldfusion.filter.FunctionAccessFilter.invoke(FunctionAccessFilter.java:95 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:463 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:438 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:681 undefined)
   at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:980 undefined)
   at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:762 undefined)
   at coldfusion.runtime.CfJspPage._invoke(CfJspPage.java:4238 undefined)
   at coldfusion.runtime.CfJspPage._invoke(CfJspPage.java:4202 undefined)
   at cfController2ecfc1649929312$func_RUNEVENT.runFunction(C:\websites\mysite.com\wwwroot\coldbox\system\web\Controller.cfc:998 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:623 undefined)
   at coldfusion.runtime.UDFMethod$ArgumentCollectionFilter.invoke(UDFMethod.java:516 undefined)
   at coldfusion.filter.FunctionAccessFilter.invoke(FunctionAccessFilter.java:95 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:463 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:438 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:681 undefined)
   at coldfusion.runtime.CfJspPage._invokeUDF(CfJspPage.java:4982 undefined)
   at coldfusion.runtime.CfJspPage._invokeUDF(CfJspPage.java:4963 undefined)
   at cfController2ecfc1649929312$funcRUNEVENT.runFunction(C:\websites\mysite.com\wwwroot\coldbox\system\web\Controller.cfc:713 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:623 undefined)
   at coldfusion.runtime.UDFMethod$ArgumentCollectionFilter.invoke(UDFMethod.java:516 undefined)
   at coldfusion.filter.FunctionAccessFilter.invoke(FunctionAccessFilter.java:95 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:463 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:438 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:681 undefined)
   at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:980 undefined)
   at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:762 undefined)
   at coldfusion.runtime.CfJspPage._invoke(CfJspPage.java:4238 undefined)
   at coldfusion.runtime.CfJspPage._invoke(CfJspPage.java:4202 undefined)
   at cfBootstrap2ecfc199291083$funcPROCESSCOLDBOXREQUEST.runFunction(C:\websites\mysite.com\wwwroot\coldbox\system\Bootstrap.cfc:290 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:623 undefined)
   at coldfusion.runtime.UDFMethod$ArgumentCollectionFilter.invoke(UDFMethod.java:516 undefined)
   at coldfusion.filter.FunctionAccessFilter.invoke(FunctionAccessFilter.java:95 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:463 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:438 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:310 undefined)
   at coldfusion.runtime.CfJspPage._invokeUDF(CfJspPage.java:5084 undefined)
   at coldfusion.runtime.CfJspPage._invokeUDF(CfJspPage.java:5064 undefined)
   at cfBootstrap2ecfc199291083$funcONREQUESTSTART.runFunction(C:\websites\mysite.com\wwwroot\coldbox\system\Bootstrap.cfc:506 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:623 undefined)
   at coldfusion.runtime.UDFMethod$ReturnTypeFilter.invoke(UDFMethod.java:553 undefined)
   at coldfusion.runtime.UDFMethod$ArgumentCollectionFilter.invoke(UDFMethod.java:516 undefined)
   at coldfusion.filter.FunctionAccessFilter.invoke(FunctionAccessFilter.java:95 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:463 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:438 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:310 undefined)
   at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:975 undefined)
   at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:696 undefined)
   at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:503 undefined)
   at coldfusion.runtime.CfJspPage._invoke(CfJspPage.java:4327 undefined)
   at coldfusion.runtime.CfJspPage._invoke(CfJspPage.java:4290 undefined)
   at cfApplication2ecfc645020372$funcONREQUESTSTART.runFunction(C:\websites\mysite.com\wwwroot\Application.cfc:59 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:623 undefined)
   at coldfusion.runtime.UDFMethod$ReturnTypeFilter.invoke(UDFMethod.java:553 undefined)
   at coldfusion.runtime.UDFMethod$ArgumentCollectionFilter.invoke(UDFMethod.java:516 undefined)
   at coldfusion.filter.FunctionAccessFilter.invoke(FunctionAccessFilter.java:95 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:463 undefined)
   at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:438 undefined)
   at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:310 undefined)
   at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:975 undefined)
   at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:696 undefined)
   at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:503 undefined)
   at coldfusion.runtime.AppEventInvoker.invoke(AppEventInvoker.java:115 undefined)
   at coldfusion.runtime.AppEventInvoker.onRequestStart(AppEventInvoker.java:286 undefined)
   at coldfusion.filter.ApplicationFilter.invoke(ApplicationFilter.java:562 undefined)
   at coldfusion.filter.RequestMonitorFilter.invoke(RequestMonitorFilter.java:43 undefined)
   at coldfusion.filter.MonitoringFilter.invoke(MonitoringFilter.java:40 undefined)
   at coldfusion.filter.PathFilter.invoke(PathFilter.java:162 undefined)
   at coldfusion.filter.IpFilter.invoke(IpFilter.java:45 undefined)
   at coldfusion.filter.ExceptionFilter.invoke(ExceptionFilter.java:97 undefined)
   at coldfusion.filter.ClientScopePersistenceFilter.invoke(ClientScopePersistenceFilter.java:28 undefined)
   at coldfusion.filter.BrowserFilter.invoke(BrowserFilter.java:38 undefined)
   at coldfusion.filter.NoCacheFilter.invoke(NoCacheFilter.java:60 undefined)
   at coldfusion.filter.GlobalsFilter.invoke(GlobalsFilter.java:38 undefined)
   at coldfusion.filter.DatasourceFilter.invoke(DatasourceFilter.java:22 undefined)
   at coldfusion.filter.CachingFilter.invoke(CachingFilter.java:62 undefined)
   at coldfusion.CfmServlet.service(CfmServlet.java:231 undefined)
   at coldfusion.bootstrap.BootstrapServlet.service(BootstrapServlet.java:311 undefined)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:199 undefined)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144 undefined)
   at coldfusion.monitor.event.MonitoringServletFilter.doFilter(MonitoringServletFilter.java:46 undefined)
   at coldfusion.bootstrap.BootstrapFilter.doFilter(BootstrapFilter.java:47 undefined)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168 undefined)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144 undefined)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:168 undefined)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90 undefined)
   at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482 undefined)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130 undefined)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93 undefined)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74 undefined)
   at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357 undefined)
   at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:448 undefined)
   at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63 undefined)
   at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:936 undefined)
   at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791 undefined)
   at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52 undefined)
   at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1190 undefined)
   at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659 undefined)
   at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63 undefined)
   at java.base/java.lang.Thread.run(Thread.java:834 undefined)

I’d like to solve this problem, and if it’s an error in Wirebox/Coldbox, or at least figure out why it’s happening. However, I’m not sure what steps to take to troubleshoot further.

Ideas:

I could write a try/catch around the code that instantiates the model in question, but I’m not sure what I could dump out into an email to me that would help. Perhaps application.wirebox? However, that would be a huge dump.

If anyone has any creative ideas for how I can troubleshoot and diagnose the problem, I am all ears!

MikeR · February 13, 2025, 7:04pm

If it was me the first think I would check is to make sure the application.name isn’t being used by any other sites on the server.

I hate to admit such a knuckleheaded mistake but I once had a site (Site A) that used the same application name as site (Site B) on the same server. Site B didn’t really get visited much but anytime it was it would overwrite the application scope of site A with the coldbox settings for itself (Site B) which caused Site A to not be able to find models.

No clue if that is your problem, but might be worth verifying. Just my $0.02

bdw429s · February 13, 2025, 7:08pm

I would start by doing a file exists check for the CFC. Also try expandPath( '/models' ) to see if it’s correct as well as expandPath( '/models/license/AZLicenseMaintenanceTask.cfc' ) and see if that’s correct. I would assume this is somehow related to mappings.

DaveL · February 13, 2025, 7:26pm

@MikeR, if I had a dollar for every knucklehead mistake, I’d be a billionaire.

I have this.name set to be the Coldbox default of hash( getCurrentTemplatePath() ), so it should always be unique on the server. Good idea to check though!

@bdw429s Good idea, as well. I’ll wrap my getInstance() code in a try/catch and log out the result of each expandPath() like this:

try {

	// get a fresh instance of the maintenance task class
	var task = variables._wirebox.getInstance( class );
	
} catch( any e ) {
	
	// log the error with logbox
	logger.error( e.message, {
		"modelsPath": expandPath( '/models' ),
		"classPath": expandPath( '/models/license/' & class )
	} );

	rethrow;

}

[Coldbox 7.3.0] Wirebox Occasionally Can't Find Instance

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