用exe4j生成exe时出错 求大神帮忙

java.lang.ExceptionInInitializerError
at init.ContextFactory.getContext(ContextFactory.java:17)
at window.ExitDialog.(ExitDialog.java:38)
at window.ExitDialog.main(ExitDialog.java:96)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
at com.exe4j.runtime.WinLauncher.main(Unknown Source)

不知道啊。。
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