Broken Webservice when redeploying RPC Plugin Module

AxisFault
 faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server.generalException
 faultSubcode: 
 faultString: Tried to invoke method public abstract java.lang.String atlassian.confluence.extra.helloworldrpc.HelloWorldPublic.helloWorld() with arguments .  The arguments do not match the signature.; nested exception is: 
	java.lang.IllegalArgumentException: object is not an instance of declaring class
 faultActor: 
 faultNode: 
 faultDetail: 
	{}faultData:null
	{http://xml.apache.org/axis/}hostname:azwandidesktop

Tried to invoke method public abstract java.lang.String atlassian.confluence.extra.helloworldrpc.HelloWorldPublic.helloWorld() with arguments .  The arguments do not match the signature.; nested exception is: 
	java.lang.IllegalArgumentException: object is not an instance of declaring class
	at org.apache.axis.message.SOAPFaultBuilder.createFault(SOAPFaultBuilder.java:222)
	at org.apache.axis.message.SOAPFaultBuilder.endElement(SOAPFaultBuilder.java:129)
	at org.apache.axis.encoding.DeserializationContext.endElement(DeserializationContext.java:1087)
	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:601)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1774)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2930)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:648)
	at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:140)
	at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510)
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:807)
	at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737)
	at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:107)
	at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205)
	at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522)
	at javax.xml.parsers.SAXParser.parse(SAXParser.java:395)
	at org.apache.axis.encoding.DeserializationContext.parse(DeserializationContext.java:227)
	at org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:696)
	at org.apache.axis.Message.getSOAPEnvelope(Message.java:435)
	at org.apache.axis.handlers.soap.MustUnderstandChecker.invoke(MustUnderstandChecker.java:62)
	at org.apache.axis.client.AxisClient.invoke(AxisClient.java:206)
	at org.apache.axis.client.Call.invokeEngine(Call.java:2784)
	at org.apache.axis.client.Call.invoke(Call.java:2767)
	at org.apache.axis.client.Call.invoke(Call.java:2443)
	at org.apache.axis.client.Call.invoke(Call.java:2366)
	at org.apache.axis.client.Call.invoke(Call.java:1812)
	at localhost.confluence.rpc.soap_axis.helloworld.HelloworldSoapBindingStub.helloWorld(HelloworldSoapBindingStub.java:101)
	at com.azwandi.app.ConnectConfluence.main(ConnectConfluence.java:29)
Disconnected from the target VM, address: '127.0.0.1:65299', transport: 'socket'

Process finished with exit code 0