Since the upgrade to Fuse Rollup 2(630254), it is giving exception while using WSS4JOutInterceptor :
java.lang.NullPointerException at com.sun.org.apache.xerces.internal.dom.ParentNode.internalRemoveChild(ParentNode.java:542)[:1.8.0_161] at com.sun.org.apache.xerces.internal.dom.ParentNode.removeChild(ParentNode.java:484)[:1.8.0_161] at org.apache.cxf.binding.soap.saaj.SAAJStreamWriter.createAndAddElement(SAAJStreamWriter.java:137)[78:org.apache.cxf.cxf-rt-bindings-soap:3.1.5.redhat-630343] at org.apache.cxf.staxutils.W3CDOMStreamWriter.writeStartElement(W3CDOMStreamWriter.java:143)[72:org.apache.cxf.cxf-core:3.1.5.redhat-630343] at org.apache.cxf.staxutils.OverlayW3CDOMStreamWriter.writeStartElement(OverlayW3CDOMStreamWriter.java:210)[72:org.apache.cxf.cxf-core:3.1.5.redhat-630343] at org.apache.cxf.staxutils.StaxUtils.writeStartElement(StaxUtils.java:811)[72:org.apache.cxf.cxf-core:3.1.5.redhat-630343] at org.apache.cxf.staxutils.StaxUtils.copy(StaxUtils.java:738)[72:org.apache.cxf.cxf-core:3.1.5.redhat-630343] at org.apache.cxf.staxutils.StaxUtils.copy(StaxUtils.java:702)[72:org.apache.cxf.cxf-core:3.1.5.redhat-630343] at org.apache.cxf.staxutils.StaxUtils.copy(StaxUtils.java:626)[72:org.apache.cxf.cxf-core:3.1.5.redhat-630343] at org.apache.cxf.databinding.source.XMLStreamDataWriter.write(XMLStreamDataWriter.java:111)[72:org.apache.cxf.cxf-core:3.1.5.redhat-630343] at org.apache.cxf.databinding.source.XMLStreamDataWriter.write(XMLStreamDataWriter.java:65)[72:org.apache.cxf.cxf-core:3.1.5.redhat-630343] at org.apache.camel.component.cxf.HybridSourceDataBinding$1.write(HybridSourceDataBinding.java:80)[240:org.apache.camel.camel-cxf:2.17.0.redhat-630343] at org.apache.camel.component.cxf.HybridSourceDataBinding$1.write(HybridSourceDataBinding.java:74)[240:org.apache.camel.camel-cxf:2.17.0.redhat-630343] at org.apache.cxf.interceptor.AbstractOutDatabindingInterceptor.writeParts(AbstractOutDatabindingInterceptor.java:137)[72:org.apache.cxf.cxf-core:3.1.5.redhat-630343] at org.apache.cxf.wsdl.interceptors.BareOutInterceptor.handleMessage(BareOutInterceptor.java:68)[75:org.apache.cxf.cxf-rt-wsdl:3.1.5.redhat-630343] at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308)[72:org.apache.cxf.cxf-core:3.1.5.redhat-630343] at org.apache.cxf.endpoint.ClientImpl.doInvoke(ClientImpl.java:514)[72:org.apache.cxf.cxf-core:3.1.5.redhat-630343] at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:416)[72:org.apache.cxf.cxf-core:3.1.5.redhat-630343] at org.apache.camel.component.cxf.CxfProducer.process(CxfProducer.java:120)[240:org.apache.camel.camel-cxf:2.17.0.redhat-630343] at org.apache.camel.processor.SendProcessor.process(SendProcessor.java:145)[231:org.apache.camel.camel-core:2.17.0.redhat-630343] at org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:77)[231:org.apache.camel.camel-core:2.17.0.redhat-630343] at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:468)[231:org.apache.camel.camel-core:2.17.0.redhat-630343] at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:196)[231:org.apache.camel.camel-core:2.17.0.redhat-630343] at org.apache.camel.processor.Pipeline.process(Pipeline.java:121)[231:org.apache.camel.camel-core:2.17.0.redhat-630343] at org.apache.camel.processor.Pipeline.process(Pipeline.java:83)[231:org.apache.camel.camel-core:2.17.0.redhat-630343] at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:196)[231:org.apache.camel.camel-core:2.17.0.redhat-630343] at org.apache.camel.component.timer.TimerConsumer.sendTimerExchange(TimerConsumer.java:192)[231:org.apache.camel.camel-core:2.17.0.redhat-630343] at org.apache.camel.component.timer.TimerConsumer$1.run(TimerConsumer.java:76)[231:org.apache.camel.camel-core:2.17.0.redhat-630343] at java.util.TimerThread.mainLoop(Timer.java:555)[:1.8.0_161] at java.util.TimerThread.run(Timer.java:505)[:1.8.0_161]
This occurs possibly after the changes in commit : https://github.com/apache/cxf/commit/2538ae42fb0c774023deed5264291b2fe6658cb8