"java.lang.ClassNotFoundException" when creating a CFC instance inside a webservice
PeteComcar Apr 11, 2012 2:29 AMThis question is also up on stack overflow: http://stackoverflow.com/questions/10089962/coldfusion-web-service-failing-to-see-componen t
I've got a CFC that I'm going to access with ?wsdl as a SOAP webservice.
If I call the CFC directly in a browser, my results render fine:
http://server/webservice/calc.cfc?method=doStuff&foo=bar
If I try to access it as a web service:
ws = CreateObject("webservice", 'http://server/webservice/calc.cfc?wsdl');
result = ws.doStuff('bar');
I get an error:
Cannot perform web service invocation doStuff.
The fault returned when invoking the web service operation is:
AxisFault
faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server.userException
faultSubcode:
faultString: coldfusion.xml.rpc.CFCInvocationException:
[coldfusion.xml.rpc.CFCInvocationException : [java.lang.ClassNotFoundException :
com.calculations.calc][java.lang.NullPointerException : null]]
faultActor:
faultNode:
faultDetail:
{http://xml.apache.org/axis/}stackTrace:coldfusion.xml.rpc.CFCInvocationException: [coldfusion.xml.rpc.CFCInvocationException : [java.lang.ClassNotFoundException :
com.calculations.calc][java.lang.NullPointerException : null]]
at coldfusion.xml.rpc.CFComponentSkeleton.__createCFCInvocationException(CFComponentSkeleton.java:733)
at coldfusion.xml.rpc.CFComponentSkeleton.__convertOut(CFComponentSkeleton.java:359)
at webservice.calc.doStuff(/var/www/vhosts/server/httpdocs/webservice/calc.cfc)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.r... ''
The problem is because the doStuff function is declaring an instance of a CFC inside it:
remote struct function doStuff(foo) {
var objReturn = {};
objReturn.msg = 'A message';
// do a calculation
var objCalc = new com.calculations.calc(foo);
objReturn.calc = objCalc;
return objReturn;
}
So my CFC that I'm using as a webservice has got another CFC being declared inside a function. Browsing directly to my webservice CFC works fine, but trying to call it using the CreateObject/webservice route fails, as it can't create an instance of the **com.calculations.calc** component.
It doesn't error, wierdly, if I comment out the objReturn.calc = objCalc line. So it seems I can create the instance, but the error isn't thrown till I assign it to my return struct.
Also I've found, If I refresh the page a few times, sometimes the error changes to:
AxisFault
faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server.userException
faultSubcode:
faultString: coldfusion.xml.rpc.CFCInvocationException:
[coldfusion.xml.rpc.CFCInvocationException : [java.lang.ClassNotFoundException :
com.calculations.calc][coldfusion.xml.rpc.CFCInvocationException :
returnType must be defined for remote CFC functions.]]
faultActor:
faultNode:
faultDetail:
{http://xml.apache.org/axis/}stackTrace:coldfusion.xml.rpc.CFCInvocationException:
[coldfusion.xml.rpc.CFCInvocationException : [java.lang.ClassNotFoundException :
com.calculations.calc][coldfusion.xml.rpc.CFCInvocationException :
returnType must be defined for remote CFC functions.]]
at coldfusion.xml.rpc.CFComponentSkeleton.__createCFCInvocationException(CFComponentSkeleton.java:733)
at coldfusion.xml.rpc.CFComponentSkeleton.__convertOut(CFComponentSkeleton.java:359)
at webservices.TaxCalc.feed.getTaxCalc(/var/www/vhosts/server/httpdocs/webservice/calc.cfc)
at sun.reflect.Nat... ''
Message was edited by: PeteComcar - impvoed code formatting and added returntype update