Talend Data Mapper - Custom Java Functions

The purpose of this video is to show you how to add custom Java functions to the Data Mapper repository, and then how to invoke the custom Java function in a Data Mapper map.


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‎02-24-2019 11:09 PM
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Thanks for the tutorial! However, we experience issues with the usage of beans within the Designer. When we use a function from a bean, it works fine during runtime but when we hit "Test Run" in the studio, an error is shown:




Unfortunately, this makes it impossible to test maps as soon as you use a java function from a bean. Is there a fix or workaround for this?

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Hi MircoK,

You will get more answers if you post your problem to the discussion forums, or for technical support please contact our Support team at