SEVERE: Problem with reading the data, class com.client.CustomerData, ContentType: application/json.
Exception in thread "main" javax.ws.rs.client.ResponseProcessingException: Problem with reading the data, class com.client.CustomerData, ContentType: application/json.
    at org.apache.cxf.jaxrs.impl.ResponseImpl.reportMessageHandlerProblem(ResponseImpl.java:438)
    at org.apache.cxf.jaxrs.impl.ResponseImpl.doReadEntity(ResponseImpl.java:378)
    at org.apache.cxf.jaxrs.impl.ResponseImpl.readEntity(ResponseImpl.java:319)
    at org.apache.cxf.jaxrs.impl.ResponseImpl.readEntity(ResponseImpl.java:309)
    at com.client.Test.main(Test.java:14)
Caused by: javax.ws.rs.BadRequestException: HTTP 400 Bad Request
    at org.apache.cxf.jaxrs.utils.SpecExceptions.toBadRequestException(SpecExceptions.java:84)
    at org.apache.cxf.jaxrs.utils.ExceptionUtils.toBadRequestException(ExceptionUtils.java:114)
    at org.apache.cxf.jaxrs.provider.AbstractJAXBProvider.handleExceptionEnd(AbstractJAXBProvider.java:705)
    at org.apache.cxf.jaxrs.provider.AbstractJAXBProvider.handleJAXBException(AbstractJAXBProvider.java:729)
    at org.apache.cxf.jaxrs.provider.json.JSONProvider.readFrom(JSONProvider.java:257)
    at org.apache.cxf.jaxrs.utils.JAXRSUtils.readFromMessageBodyReader(JAXRSUtils.java:1340)
    at org.apache.cxf.jaxrs.impl.ResponseImpl.doReadEntity(ResponseImpl.java:369)
    ... 3 more
Caused by: com.sun.istack.SAXParseException2; columnNumber: 0; unexpected element (uri:"", local:"password"). Expected elements are <{}CustomerData>
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.handleEvent(UnmarshallingContext.java:740)
    at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportError(Loader.java:262)
    at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportError(Loader.java:257)
    at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportUnexpectedChildElement(Loader.java:124)
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext$DefaultRootLoader.childElement(UnmarshallingContext.java:1148)
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext._startElement(UnmarshallingContext.java:573)
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.startElement(UnmarshallingContext.java:555)
    at com.sun.xml.bind.v2.runtime.unmarshaller.InterningXmlVisitor.startElement(InterningXmlVisitor.java:75)
    at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.handleStartElement(StAXStreamConnector.java:246)
    at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.bridge(StAXStreamConnector.java:180)
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:415)
    at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:386)
    at org.apache.cxf.jaxrs.provider.json.JSONProvider.readFrom(JSONProvider.java:242)
    ... 5 more
Caused by: javax.xml.bind.UnmarshalException: unexpected element (uri:"", local:"password"). Expected elements are <{}CustomerData>
    ... 18 more

*package com.cxf.basic;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlType;



@XmlRootElement(name = "CustomerData")
@XmlType(name = "customerData",  propOrder = {
        "password",
        "username"
    })
public class CustomerData implements Serializable{

    /**
     *
     */
    private static final long serialVersionUID = 1L;
    String username;
    String password;

    public CustomerData() {

        username = "nishant";
        password = "pass";

    }

    public String getUsername() {
        return username;
    }
    public void setUsername(String username) {
        this.username = username;
    }
    public String getPassword() {
        return password;
    }
    public void setPassword(String password) {
        this.password = password;
    }

    @Override
    public String toString() {
        return "CustomerData [username=" + username + ", password=" + password + "]";
    }

}*

ServiceResource store = JAXRSClientFactory.create("http://localhost:8080/CXFBasic/bsserv",
        ServiceResource.class);
Response response = store.getGetJson();
System.out.println(response.readEntity(CustomerData.class));