The following exception is thrown when an attempt to normalize a DOMSourceAnydata which does not contain any data
java.lang.IllegalStateException: Attributes can be extracted only from START_ELEMENT. at com.google.common.base.Preconditions.checkState(Preconditions.java:508) at org.opendaylight.yangtools.yang.data.codec.xml.XmlParserStream.getElementAttributes(XmlParserStream.java:301) at org.opendaylight.yangtools.yang.data.codec.xml.XmlParserStream.read(XmlParserStream.java:387) at org.opendaylight.yangtools.yang.data.codec.xml.XmlParserStream.parse(XmlParserStream.java:270) at org.opendaylight.yangtools.yang.data.codec.xml.DOMSourceAnydata.writeTo(DOMSourceAnydata.java:65) at org.opendaylight.yangtools.yang.data.impl.schema.AbstractNormalizableAnydata.normalizeTo(AbstractNormalizableAnydata.java:36)