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Call Try Catch - Sub

<p>Playing around with Call Workflow - sub-workflow to "Call Try Catch - Main"</p>

Playing around with Call Workflow - sub-workflow to "Call Try Catch - Main"

https://community.knime.com/c/ask-the-community/question-about-fail-in-execution-behavior-with-call-workflow-and-try-catch#comment_wrapper_107011269?u=mlauber71

In order to get a Workflow Service Input / Output other than the table connection you have to:

  • drag the connection of the type you want from the previous node

  • until a transparent plus sign appears

  • then you search for the "Workflow Service Output"

  • when you click this it will change the type from table to the type you were just dragging along ....

THX to Linh for this insight ...

https://forum.knime.com/t/call-workflow-table-based-additional-table-input-ports-possible/83894/2?u=mlauber71

Column Filter
Workflow Input
Try (Variable Ports)
the new data gets sent
Workflow Output
input
Workflow Input
Remove all data.to make table empty
Row Filter
Catch Errors (Data Ports)
var_port=1
Variable Creator
Table is empty.
Empty Table Switch
output-parameter-variable
Workflow Output
Result = "Table was OK"
Constant Value Column Appender
var_port=0
Variable Creator
The alternative if the main path does failResult = "Table was empty"
Table Creator

Nodes

Extensions

  • No modules found

Links

Download

To use this workflow in KNIME, download it from the below URL and open it in KNIME:

Download Workflow
Created by: sande
Created at: 2022-08-05
On NodePit since: 2026-06-19
Last update: 2026-07-09
Created with KNIME version: v5.11.1

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