Since I upgraded to 4.2.2 , when I run a python node after a “Extract Context Properties” node, it crashes.
I think this is because of the empty string variable “context.job.id”
I don’t know which of those two nodes need to be fixed, maybe both, or maybe Knime’s tolerance to empty variables should be adapted.
Please find hereby a minimal workflow showcasing the problem.
python_bug.knwf (11.0 KB)
Thanks for reporting this! I can reproduce this issue and have created an internal ticket (number AP-15256). It is a problem with the Python serialization code but should not be too difficult to fix.
Our developers recommend the following quick short-term workaround: in the Extract Context Properties list, disable the setting for “Extract all available properties” but keep context.job.id in the “Include” list.
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