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Open FX Project Properties and in Run panel create a new configuration. Having it created, leave it selected in the combo and press OK to close Properties dialog. The new configuration should appear as selected in the main IDE toolbar, but instead only white space is displayed there. Technically this is caused by the fact that config file change notification is not generated for single files joined in atomic file action, therefore the creation of new configuration file can be missed by ProjectConfigurationProvider. To correct this we will need a dedicated API to notify configuration creation directly. Note that selecting an existing configuration in Project Properties dialog is not affected at works as expected, as I just checked on code in trunk.
The configuration combobox is also empty in SE projects when WebStart is enabled...
Yes, this is the same case. The JFX configuration handling is a copy of JWS . The problem is that the JFX (JWS) writes a configuration as a file to disk and asks the J2SE to set it as a default configuration however the J2SE does not see the config file as the project properties save runs in an atomic action which was not yet committed, it's committed by project infrastructure after all changes were done.
Please evaluate possibility to fix this in 7.2 patch.
Workaround to make the new configuration visible in toolbar combobox is to select a different project and then select back the project with the new configuration.
*** This bug has been marked as a duplicate of bug 231447 ***