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java.lang.NullPointerException: 	at org.exolab.castor.mapping.Mapping.loadMapping(Mapping.java:430)	at com.avaya.mvcs.proxy.CstaMarshaller.setXMLMap(CstaMarshaller.java:117)	at com.avaya.mvcs.proxy.CstaMarshaller.setBackwardCompatibilityMap(CstaMarshaller.java:100)	at com.avaya.mvcs.proxy.CstaMarshallerNode.configure(CstaMarshallerNode.java:556)	at com.avaya.mvcs.proxy.Pipeline.configure(Pipeline.java:173)