Problem with Call Workflow Service node

[fando]

Hello

When I add a Call Workflow Service node to my workflow I can configure the input and output ports. However, most of the times I enter the node configuration again, input and output definition has disappeared, getting the following error:

It seems not to be a problem of a specific called workflow, because it is happening always when I try to call local workflow services.

Any suggestion? I am using KNIME AP 5.4.1

Thank you very much for your help

[MartinDDDD]

I have experienced this as well. I think after closing and re-opening it then worked again. I also noticed some other odd behavior where the port order gets reset if you re-ordered them…

Both issues are summarised here and a ticket is open:

Potential Bug: Call Workflow Service - Port Order Assignments resetting

Hey hey, currently working on a project where I use workflow invocation (for now locally). I have encountered some weird behavior: I’ve set up the WF to be called with corresponding input nodes: [image] and output nodes: [image] In my WF that I use to call the other WF I use Call Workflow Service node, point it to the workflow to be called and then start changing the order of input/output ports - e.g. from this: [image] to this: [image] And click the adjust node ports button. I …

Will add a link to this post and encourage you to click the vote button when following the link above

[thor_landstrom]

Hello @fando,
As @MartinDDDD mentions, this does look similar to what he has documented in the thread he posted.

For reference here, I added a +1 to ticket AP-23570

TL

[Jasper_VIVISOL]

Hi @thor_landstrom,

I experienced this same exact issue too, using 5.4.2. Any update on the ticket?