Ulysses Ludwig's SharePoint blog

Serialization Issue with Windows Workflow Foundation and Sharepoint Workflow

Problem You are receiving the error similar to the one below when attempting to execute a SharePoint WWF workflow.  ====================================================================================== 11/19/2009 10:52:19.18     w3wp.exe (0x17FC)                          0x157C    Windows SharePoint Services   
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ERROR: request not found in the TrackedRequests

Problem I had a completely phantom error today and I never did figure out the cause was but I thought it might help to explain how it happened, and my thoughts to the cause.  The environment is MOSS Enterprise SP2 development environment with Visual Studio, VSTE 1.3, Office 2007, WSPBuilder, and SQL all onboard, obviously supporting Windows Workflow Foundation workflows.  Over the last few days I’ve been struggling with strange bugs in my InfoPath task forms that required a millio...

Workflow "Failed on Start (retrying) – again"

  (See also http://www.sharepointassist.com/2009/01/08/sharepoint-workflow-failed-on-start-retrying/) Problem You’re developing a Windows Workflow Foundation (WWF) workflow and no matter what you do you get the Workflow “Failed on Start (retrying)” message.  In my case I debugged over and over again only to see the TaskCreate method throw an exception (that you can’t capture) and fail.    Solution Specify a token other than the default Workflow1 or top level token.&...

This form cannot be opened. It is not workflow enabled

Problem You've developed a custom workflow using Windows Workflow foundation, Visual Studio, and a nice little product called InfoPath, however, when you test your workflow you get the error message "This form cannot be opened. It is not workflow enabled." If this above change doesn't work follow the steps in this blog article about publishing a workflow enabled InfoPath form.   Resolution This form cannot be displayed properly because your security level is not set to &quo...

Publishing a Workflow Enabled InfoPath Form

Requirement You're creating a Visual Studio and Windows Workflow Foundation workflow for SharePoint and you would like to use InfoPath for the Workflow Initiation, Workflow Association, and Workflow Task Edit forms. Note: The final step is the most important step so don’t skip it. Solution Set the form's Security Level to "Domain" Now publish the form to a local network place **** Leave the access path BLANK ***