Manually Setting the Exit Code Through A Workflow

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1

I want know if I can set the EXIT CODE from my workflow run through a powershell script.  For example when I identify an unexpected empty table using the EMPTY TABLE SWITCH node, I want to end my workflow but return an error so the powershell script can respond with the appropriate alerts.  

2

This is not possible.

3

Thanks thats what I was afraid of.  My work around was to use the external tool node.  I ude it to write an error and execute an alert command.

4

Hi smcleod and Thomas,

even though there is no KNIME feature to manually set the exit code, I just successfully tested the brute force alternative of calling

System.exit(123);

in a Java Snippet node. But please use with care and save your changes before trying it -> it will terminate the process incl logging right away.

Best regards

Arne

5

Hi,

you could use "Extract Table Dimension node" and "Java Snippet Node",  in the snippet you could test the dimension and if 0 generate the Abort exception.

if(c_Dimensions == 0)
throw new Abort("File is empty! >>0<< " );