Java Application Project for JAXB

The following is a known issue for Java Application projects with JAXB:

• NetBeans Issue 163169

  In Java Application projects for JAXB, JAXB class files are deleted at runtime and the application fails to run.

  To work around this issue, deselect Compile on Save in the Project Properties window. Compile on Save is located in the Build > Compiling properties node.