ajax - Cant get info from FaultExceptions (javascript) -


until have used webservice asmx call javascript. has been working fine, because needed control on serialization, trying switch datacontracts , wcf. however, believe there have misunderstood, because im trying catch faultexceptions client code (javascript), errorcode im receiving is: (translated, might not accurate)

"the server not handle request because of intern error. can more info error activate includeexceptiondetailinfaults..."

i have tried set includeexceptiondetailinfauls true gives info, far understood, whole point throwing faultexceptions hide exceptions user, , throw little info? im trying ierrorhandler, have created simpler example:

the svc:

[servicecontract(namespace = "")] [aspnetcompatibilityrequirements(requirementsmode = aspnetcompatibilityrequirementsmode.allowed)] public class wcftest {     // use http get, add [webget] attribute. (default responseformat webmessageformat.json)     // create operation returns xml,     //    add [webget(responseformat=webmessageformat.xml)],     //    , include following line in operation body:     //        weboperationcontext.current.outgoingresponse.contenttype = "text/xml";     [operationcontract]     public string dook()     {         // add operation implementation here         return "success";     }     [operationcontract]     public string dofail()     {         faultreason reason = new faultreason("fail <- :)");         throw new faultexception(reason);         return "success";     } }

which included scriptmanager, , called following javascript:

<a href="java script:void(0);" onclick="dook()">ok</a><br />         <a href="java script:void(0);" onclick="dofail()">fail</a>         <script>             function dook() {                 wcftest.dook(                     function (result) {                         alert("dook success: "+result);                     },                     function (result) {                         alert("dook failed: " + result);                     })             }             function dofail() {                 wcftest.dofail(                     function (result) {                         alert("dofail success: " + result);                     },                     function (result) {                         alert("dofail failed: " + result);                     })                     }         </script>

and service model:

<system.servicemodel>   <behaviors>     <servicebehaviors>       <behavior name="wcftestaspnetajaxbehavior">       </behavior>     </servicebehaviors>   <endpointbehaviors>     <behavior name="wcftestaspnetajaxbehavior">     <enablewebscript />     </behavior>   </endpointbehaviors>   </behaviors>   <servicehostingenvironment aspnetcompatibilityenabled="true"   multiplesitebindingsenabled="true" />   <services>   <service name="wcftest">     <endpoint address="" behaviorconfiguration="wcftestaspnetajaxbehavior"     binding="webhttpbinding" contract="wcftest" />   </service>   </services> </system.servicemodel>

ive tried mark dofail method combinations of:

[faultcontract(typeof(faultexception))]   [faultcontract(typeof(faultreason))]

have misunderstood something? shouldnt able exception info throwing faultexception without having set includeexceptiondetailinfaults true?

useful resources:

main steps:

  1. create own error handler impelemting ierrorhandler interface
  2. create subclass of webhttpbehavior , replace default error handler own error handler
  3. plug-in custom/extended behavior using custom servicehostfactory or define behaviorextension in web.config

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