error Element

Article
05/23/2014

This content is no longer actively maintained. It is provided as is, for anyone who may still be using these technologies, with no warranties or claims of accuracy with regard to the most recent product version or service release.

Contains diagnostic error information when the server failed to process a request.

Syntax

<error code="integer value" subCode="integer value" reason="string value" detail="string value"/>

Attributes

Attribute	Data Type	Description
code	Integer	Communicator Web Access server error code.
subCode	Integer	Communicator Web Access server sub-code
reason	String	Describes condition that can give unexpected results.
detail	String	Descriptive error message.

Element Information

Parent Element

Element	Description
cwaResponses	Holds the synchronous response to an HTTP POST request carried over through a command channel. It is used to inform the client of the initial status of a request.
requestFailed	Contains diagnostic error information when the server failed to process a request.
requestInvalid	The request contained elements that were unrecognized by the Communicator Web Access Server.

Child Elements

Element	Occurrences	Description
sipResponse	0 or more	Indicates SIP-related errors.
stackTrace	0 or more	A detailed trace of the call stack of CWA. To receive the stackTraceelement, debug must be enabled in the initiateSession request.

Examples

In the following example, debug is enabled in initiateSession.The error element contains stack trace information.

Example 1:

Request failed event.

<requestFailed eid="102" rid="6">
   <error code="18201" reason="Operation failed" detail="The requested operation failed.">
       <sipResponse code="485" reason="Duplicate group name">
           <ms-diagnostics>errorId="2";reason="Unknown
             Failure";source="red-lsapf-
             02.exchange.corp.microsoft.com";
             AppUri=http://www.microsoft.com/LCS/UserServices
           </ms-diagnostics>
       </sipResponse>
       <stackTrace> ... </stackTrace>
    </error>
 </requestFailed>

Example 2:

Polling failure event.

<cwaResponses requestProcessed="0">
   <error code="18100" reason="Session not found" subCode="2"
       detail="Sign-in to OCS failed"/>
       <stackTrace>
         at Microsoft.Rtc.Signaling.SipAsyncResult.ThrowIfFailed()
         at Microsoft.Rtc.Signaling.Helper.EndAsyncOperation[T]
         (Object owner, IAsyncResult asyncResult)
         at Microsoft.Rtc.Signaling.SipEndpoint.
         EndRegister(IAsyncResult result)
         at Microsoft.Rtc.Internal.Collaboration
         .CollaborationEndpoint.SipEndpoint_RegistrationComplete
         (IAsyncResult asyncResult)
       </stackTrace>
    </error>
 </cwaResponses>