when i try to send Message through Outboust Message of salesforce i am getting java.lang.NullPointerException

what would be the reason for this.

Is there any way get more details about error.

Thanks,

Vivek.

{faultcode:'soapenv:Client', faultstring:'System.CalloutException: Web service callout failed: Unexpected element. Parser was expecting element 'http://schemas.xmlsoap.org/soap/envelope/:Envelope' but found ':HTML'

Class.ApexcallingBpelSimple.ApexCalling_BPEL_SimplePort.process: line 19, column 13
Class.SFDCSyncWrapper.CreateFunction: line 12, column 17
External entry point', }

how to fix this

Thanks,

Vivek.

{faultcode:'soapenv:Client', faultstring:'System.CalloutException: Web service callout failed: Unexpected element. Parser was expecting element 'http://schemas.xmlsoap.org/soap/envelope/:Envelope' but found ':HTML'

Class.ApexcallingBpelSimple.ApexCalling_BPEL_SimplePort.process: line 19, column 13
Class.SFDCSyncWrapper.CreateFunction: line 12, column 17
External entry point', }

how to fix this

Thanks,

Vivek.