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From praveensnb <praveen...@gmail.com>
Subject How to support inheritance ?
Date Thu, 16 Oct 2008 00:41:06 GMT

Hi, 

For testing purposes, I made a minor change to the
apache-cxf-2.1\samples\restful_http_binding example. I made the
Customer.class extend from a SuperCustomer.class. 

package demo.restful.server; 
public class SuperCustomer { 
    protected String username; 

    public String getUserName() { 
        return username; 
    } 

    public void setUserName(String name) { 
        this.username = name; 
    } 
} 

Now when I execute "wget --post-file add.json
http://localhost:8080/json/customers", I get the following exception. What
needs to be changed to fix this issue ? 

Thanks, 
Praveen 


Oct 14, 2008 7:18:00 PM
org.apache.cxf.binding.http.interceptor.DispatchInterceptor handleMessage 
INFO: Invoking POST on /customers 
Oct 14, 2008 7:18:00 PM
org.apache.cxf.binding.http.interceptor.URIParameterInInterceptor
handleMessage 
INFO: URIParameterInterceptor handle message on path [/customers] with
content-type [application/x-www-form-urlencoded] 
Oct 14, 2008 7:18:00 PM org.apache.cxf.phase.PhaseInterceptorChain
doIntercept 
INFO: Interceptor has thrown exception, unwinding now 
java.lang.NullPointerException 
        at
org.apache.cxf.binding.http.IriDecoderHelper.interopolateParams(IriDecoderHelper.java:306)

        at
org.apache.cxf.binding.http.interceptor.URIParameterInInterceptor.mergeParams(URIParameterInInterceptor.java:122)

        at
org.apache.cxf.binding.http.interceptor.URIParameterInInterceptor.handleMessage(URIParameterInInterceptor.java:103)

        at
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:221) 
        at
org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:78)

        at
org.apache.cxf.transport.http_jetty.JettyHTTPDestination.serviceRequest(JettyHTTPDestination.java:280)

        at
org.apache.cxf.transport.http_jetty.JettyHTTPDestination.doService(JettyHTTPDestination.java:254)

        at
org.apache.cxf.transport.http_jetty.JettyHTTPHandler.handle(JettyHTTPHandler.java:70) 
        at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726) 
        at
org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:206)

        at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) 
        at org.mortbay.jetty.Server.handle(Server.java:324) 
        at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505) 
        at
org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:842) 
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:648) 
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211) 
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380) 
        at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395) 
        at
org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:450) 
Oct 14, 2008 7:18:00 PM org.apache.cxf.phase.PhaseInterceptorChain
doIntercept 
INFO: Interceptor has thrown exception, unwinding now 
java.lang.IllegalStateException: Invalid JSON namespace:
http://cxf.apache.org/bindings/xformat
        at
org.codehaus.jettison.mapped.MappedNamespaceConvention.getJSONNamespace(MappedNamespaceConvention.java:151)

        at
org.codehaus.jettison.mapped.MappedNamespaceConvention.createKey(MappedNamespaceConvention.java:158)

        at
org.codehaus.jettison.mapped.MappedXMLStreamWriter.writeStartElement(MappedXMLStreamWriter.java:239)

        at
org.apache.cxf.staxutils.StaxUtils.writeStartElement(StaxUtils.java:204) 
        at
org.apache.cxf.binding.xml.interceptor.XMLFaultOutInterceptor.handleMessage(XMLFaultOutInterceptor.java:61)

        at
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:221) 
        at
org.apache.cxf.interceptor.AbstractFaultChainInitiatorObserver.onMessage(AbstractFaultChainInitiatorObserver.java:96)

        at
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:262) 
        at
org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:78)

        at
org.apache.cxf.transport.http_jetty.JettyHTTPDestination.serviceRequest(JettyHTTPDestination.java:280)

        at
org.apache.cxf.transport.http_jetty.JettyHTTPDestination.doService(JettyHTTPDestination.java:254)

        at
org.apache.cxf.transport.http_jetty.JettyHTTPHandler.handle(JettyHTTPHandler.java:70) 
        at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726) 
        at
org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:206)

        at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) 
        at org.mortbay.jetty.Server.handle(Server.java:324) 
        at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505) 
        at
org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:842) 
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:648) 
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211) 
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380) 
        at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395) 
        at
org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:450) 

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