cannot build JavaFX 2.1.0 sample application - DataApp - failed to create task or type javafx:com.sun.javafx.tools.ant:application

Question

I am trying to build the DataApp sample application from the JavaFX 2.1.0 sample application pack downloadable from the official JafaFX downloads page:
http://www.oracle

Answer 1

Aparently the problem is solved by manually modifying the Ant build.xml file located in the DataAppClient project root.
I added a taskdef tag at the beginning of the -post-jar target definition and the error was gone:

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