call workflow service issue

[cuimaple]

I am using call workflow service to execute the workflow one by one.
But I find it not so stable in this way. Sometime it runs smoothly, but sometimes pop up below error message, and I run again then it works. I am not sure if there is some configuration I did not setup well or something I don’t know. Can anyone help me?

[mlauber71]

@cuimaple what you can do is add a retry mechanism until your call of a workflow is finished.

Error Handling within Table Row to Variable Loop Start

@JGebhard I wanted to build a workflow that would do a try catch anyway. It does follow the model and would try to append sheets to an existing Excel file. In the first instance of the outer loop a _temp.table will be written that would contain the procedures and one could follow if the loop was successfil. [image] Within the component an inner loop would try 10 times (you could adapt that) to finish the job. A Try Catch block would check if the operation was successful and fill a Flow Varia…

KNIME — Cases, Switches and Catching Errors