It seems like It seems like ListBase.js throws a Null pointer exception since the model is never initialized for Dropdown & ComboBox classes on FlexJS. Not sure why the examples work since the latest code doesn't seems to have anything that initializes the model bead for these components
Cross referenced by https://issues.apache.org/jira/browse/FLEX-33778 Thanks, Pratyoosh This email is confidential and subject to important disclaimers and conditions including on offers for the purchase or sale of securities, accuracy and completeness of information, viruses, confidentiality, legal privilege, and legal entity disclaimers, available at http://www.jpmorgan.com/pages/disclosures/email.
