c# - Sharepoint 2010 problems with WCF service -

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i need create wcf service sharepoint 2010. idea use jquery ajax communicate service. cals service methods fail.

i try use wcf test client , message:

failed invoke service. possible causes: service offline or inaccessible; client-side configuration not match proxy; existing proxy invalid. refer stack trace more detail. can try recover starting new proxy, restoring default configuration, or refreshing service.

and error detais:

    content type text/html; charset=utf-8 of response message not match content type of binding (text/xml; charset=utf-8). if using custom encoder, sure iscontenttypesupported method implemented properly. first 227 bytes of response were: 'a transport-level error has occurred when sending request server. (provider: shared memory provider, error: 0 - either required impersonation level not provided, or provided impersonation level invalid.)'.  server stack trace:     @ system.servicemodel.channels.httpchannelutilities.validaterequestreplyresponse(httpwebrequest request, httpwebresponse response, httpchannelfactory factory, webexception responseexception, channelbinding channelbinding)    @ system.servicemodel.channels.httpchannelfactory.httprequestchannel.httpchannelrequest.waitforreply(timespan timeout)    @ system.servicemodel.channels.requestchannel.request(message message, timespan timeout)    @ system.servicemodel.dispatcher.requestchannelbinder.request(message message, timespan timeout)    @ system.servicemodel.channels.servicechannel.call(string action, boolean oneway, proxyoperationruntime operation, object[] ins, object[] outs, timespan timeout)    @ system.servicemodel.channels.servicechannel.call(string action, boolean oneway, proxyoperationruntime operation, object[] ins, object[] outs)    @ system.servicemodel.channels.servicechannelproxy.invokeservice(imethodcallmessage methodcall, proxyoperationruntime operation)    @ system.servicemodel.channels.servicechannelproxy.invoke(imessage message)  exception rethrown @ [0]:     @ system.runtime.remoting.proxies.realproxy.handlereturnmessage(imessage reqmsg, imessage retmsg)    @ system.runtime.remoting.proxies.realproxy.privateinvoke(messagedata& msgdata, int32 type)    @ itv2wcfservice.dowork()    @ tv2wcfserviceclient.dowork()

enter image description here

but service http://localhost/_vti_bin/site/tempservice.svc/mex avaliable , give me normal response.

everything done according article on msdn

http://msdn.microsoft.com/en-us/library/ff521581.aspx

whats problem , how deal it?

evgeny:

it looks webservice returns standard soap xml response. jquery expects use json. think easier way set jquery use xml. alternatively can change web service return json instead of xml.


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