String Manipulation (Varaible): toBoolean triggers RuntimeException

[mwiegand]

Hi,

creating boolean varaibles via toBoolean(true) exactly as in the example throws an error:

Configure failed (RuntimeException): Invalid variable class: class org.knime.core.data.def.BooleanCell

This has been reported back in 2020 and @ipazin mentioned:

@ipazin

new flow variables types (Boolean included) are not supported in String Manipulation (Variable) node. Have created ticket to support it (internal reference: AP-13940). Currently workaround is to go to table and then use Table Column to Variable or Table Row to Variable.

Boolean variable from string manipulation (variable)

Hi guys, I have an error message when I try to create a Boolean variable with the String Manipulation (Variable) node. Its kind of a workaround for not using the java Edit Variable node But since it works to create Double variable for instance, I though it would for Boolean too [image] Actually the node does not throw an error when the config window is oked, just when the node is executed. ERROR String Manipulation (Variable) 0:288 Configure failed (RuntimeExceptio…

Shouldn’t this then either get fixed ore removed?

Best
Mike