PDB Connector Query Builder Bug?

Hi. First of all, thank you for providing a great set of nodes!

I’m attaching a small workflow to illustrate what looks (to me) like a bug.
pdb connector qry builder bug.knwf (12.1 KB)
In the workflow a component is used to capture an amino acid sequence which is then fed to the …Query Builder node as a flow variable. The query builder node specifies the BLAST feature and also an attribute query “Experimental Method” equals X_RAY DIFFRACTION.

If I go into the config dialog and delete the attribute query, I get an error:

I am using KNIME 4.3.0 and the latest vernalis version (1.28.1).
Kind regards,

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Dear Don,

Thanks for getting in touch with this. I can reproduce it (not sure how we didnt find it over the course of 9 months of internal testing) and can see how and where the problem is happening. It’s probably going to take a couple of days to figure the best way of fixing it - I will post back here when we have a fix.



We have now fixed this bug in v1.28.2. (see Error when deleting text query from PDB Connector query builer · Issue #8 · vernalis/vernalis-knime-nodes · GitHub), which is now availablein the nightly build and stable builds for versions 4.1, 4.2 and 4.3.

Thanks again for reporting it to us.


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