Today I got some “unhelpful” exception while upgrading one of the project from CRM 4 to 2011. And the structure of the project is changed from using direct communication from website to CRM, now it utilize WCF in between.
I’ve been doing WCF for about 2 year, but now I just found out that WCF tracing can be this useful. So, this is what happened:
No clear explanation right?
Then I decided to trace and add this in web.config of WCF:
<system.diagnostics> <sources> <source name="System.ServiceModel" switchValue="Information, ActivityTracing" propagateActivity="true"> <listeners> <add name="traceListener" type="System.Diagnostics.XmlWriterTraceListener" initializeData= "c:\traces.svclog" /> </listeners> </source> </sources> </system.diagnostics>
Do the problematic process again, and it generates:
I opened it, skim through the log and found this:
Double click that one, something goes wrong..
Select that error: