Caused by: java.lang.ClassNotFoundException: org.apache.xml.serializer.TreeWalker
at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[?:1.8.0_212]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_212]
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) ~[?:1.8.0_212]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_212]
at org.apache.xalan.processor.TransformerFactoryImpl.newTransformer(TransformerFactoryImpl.java:823) ~[xalan-2.7.1.jar:?]
at com.sun.xml.internal.messaging.saaj.util.transform.EfficientStreamingTransformer.materialize(EfficientStreamingTransformer.java:106) ~[?:1.8.0_212]
at com.sun.xml.internal.messaging.saaj.util.transform.EfficientStreamingTransformer.setOutputProperty(EfficientStreamingTransformer.java:190) ~[?:1.8.0_212]
at com.sun.xml.internal.messaging.saaj.soap.impl.EnvelopeImpl.output(EnvelopeImpl.java:260) ~[?:1.8.0_212]
at com.sun.xml.internal.messaging.saaj.soap.impl.EnvelopeImpl.output(EnvelopeImpl.java:302) ~[?:1.8.0_212]
at com.sun.xml.internal.messaging.saaj.soap.SOAPPartImpl.getContentAsStream(SOAPPartImpl.java:311) ~[?:1.8.0_212]
at com.sun.xml.internal.messaging.saaj.soap.MessageImpl.getHeaderBytes(MessageImpl.java:1015) ~[?:1.8.0_212]
at com.sun.xml.internal.messaging.saaj.soap.MessageImpl.saveChanges(MessageImpl.java:1166) ~[?:1.8.0_212]
at com.sun.xml.internal.ws.api.message.saaj.SAAJFactory.readAsSOAPMessage(SAAJFactory.java:277) ~[?:1.8.0_212]
at com.sun.xml.internal.ws.api.message.saaj.SAAJFactory.readAsSAAJ(SAAJFactory.java:197) ~[?:1.8.0_212]
at com.sun.xml.internal.ws.api.message.saaj.SAAJFactory.read(SAAJFactory.java:186) ~[?:1.8.0_212]
at com.sun.xml.internal.ws.message.AbstractMessageImpl.toSAAJ(AbstractMessageImpl.java:217) ~[?:1.8.0_212]
at com.sun.xml.internal.ws.api.message.MessageWrapper.readAsSOAPMessage(MessageWrapper.java:156) ~[?:1.8.0_212]
at com.sun.xml.internal.ws.client.dispatch.SOAPMessageDispatch.toReturnValue(SOAPMessageDispatch.java:89) ~[?:1.8.0_212]