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java.lang.NullPointerException at com.octetstring.vde.util.guid.GuidParamGenerator.generateNodeID(GuidParamGenerator.java:47) at com.octetstring.vde.util.guid.GuidStateManager.initializeGUIDParameters(GuidStateManager.java:59) at com.octetstring.vde.util.guid.GuidStateManager.<init>(GuidStateManager.java:30) at com.octetstring.vde.util.guid.GuidStateManager.<init>(GuidStateManager.java:23) at com.octetstring.vde.util.guid.GuidGenerator.nextGuidInBytes(GuidGenerator.java:125)