SharePoint 2013 workflow task gets canceled

Question

Just wanted to share my solution to a problem that I was having when creating a SharePoint 2013 Workflow that includes creating a task and assigning it to a group of people. After publishing the workflow and initiating it you get:
Retrying last request. Next attempt scheduled in less than one minute.
Microsoft.SharePoint.Client.ResourceNotFoundException: Cannot find resource for the request sp.utilities.utility.ExpandGroupsToPrincipals
An unhandled exception occurred during the execution of the workflow instance.
  Exception details: System.ApplicationException: HTTP 404 {"error":{"code":"-1, Microsoft.SharePoint.Client.ResourceNotFoundException",
  "message":{"lang":"en-US","value":"Cannot find resource for the request sp.utilities.utility.ExpandGroupsToPrincipals."},
  "innererror":{"message":"Cannot find resource for the request sp.utilities.utility.ExpandGroupsToPrincipals.",
  "type":"Microsoft.SharePoint.Client.ResourceNotFoundException","stacktrace":" at
  Microsoft.SharePoint.Client.Rest.RestRequestProcessor.GetObjectFromPathRoot(Boolean mainRequestPath, EdmParserNode node, Boolean resourceEndpoint, MethodInformation& methodInfo)\u000d\u000a at
  Microsoft.SharePoint.Client.Rest.RestRequestProcessor.GetObjectFromPath(Boolean mainRequestPath, String path, String pathForErrorMessage)\u000d\u000a at
  Microsoft.SharePoint.Client.Rest.RestRequestProcessor.Process()\u000d\u000a at
  Microsoft.SharePoint.Client.Rest.RestRequestProcessor.ProcessRequest()\u000d\u000a at
  Microsoft.SharePoint.Client.Rest.RestService.ProcessQuery(Stream inputStream, IList`1 pendingDisposableContainer)"}}
  } {"Transfer-Encoding":["chunked"],"X-SharePointHealthScore":["0"],"SPClientServiceRequestDuration":["46"]
  ,"SPRequestGuid":["624f66f8-a70c-81db-bf0d-c042443f5435"],"request-id":["624f66f8-a70c-81db-bf0d-c042443f5435"],
  "X-FRAME-OPTIONS":["SAMEORIGIN"],"MicrosoftSharePointTeamServices":["15.0.0.4569"],"X-Content-Type-Options":["nosniff"],
  "X-MS-InvokeApp":["1; RequireReadOnly"],"Cache-Control":["max-age=0, private"],"Date":["Mon, 06 Apr 2015 22:17:23 GMT"],
  "Server":["Microsoft-IIS\/8.0"],"X-AspNet-Version":["4.0.30319"],"X-Powered-By":["ASP.NET"]} at
  Microsoft.Activities.Hosting.Runtime.Subroutine.SubroutineChild.Execute(CodeActivityContext context) at
   System.Activities.CodeActivity.InternalExecute(ActivityInstance instance, ActivityExecutor executor, BookmarkManager bookmarkManager) at
   System.Activities.Runtime.ActivityExecutor.ExecuteActivityWorkItem.ExecuteBody(ActivityExecutor executor, BookmarkManager bookmarkManager, Location resultLocation)
I was not able to find any answer anywhere, so my solution was:
1. Simply upgrade SharePoint Server 2013 to the latest version which in turn updates Microsoft.Activities.Proxy.dll
2. Clear the SharePoint Designer cache
  Workflow Error - Sharepoint Designer cannot display the item
  http://community.office365.com/en-us/f/154/t/74327.aspx
I hope this is helpful to somebody
Thanks

Answer 1

Hi Amit,
According to your description, my understanding is that you want to approve workflow task using web service in SharePoint 2013.
For troubleshooting this issue, please provide the more detailed code.
Here are some similar posts, please check if they are useful:
http://social.msdn.microsoft.com/Forums/sharepoint/en-US/b999a417-dce3-4590-9173-89aea91f23a3/complete-workflow-after-approving-all-tasks?forum=sharepointdevelopment
http://www.sharepointblog.in/2013/07/programmatically-approvereject-task-in.html
http://aarebrot.net/blog/2011/10/how-sloppiness-and-spworkflowtask-altertask-could-inadvertantly-lock-your-workflow-task/
I hope this helps.
Thanks,
Wendy
Forum Support
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