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java.lang.NullPointerException at at at at at org.rzo.yajsw.WrapperExe.doGenerate( at org.rzo.yajsw.WrapperExe.executeCommand( at org.rzo.yajsw.WrapperExe.main( at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.rzo.yajsw.boot.WrapperExeBooter.main(