Hi Nick, See my comments inline.
On Tue, Sep 23, 2008 at 4:20 PM, Nick Steel <[EMAIL PROTECTED] > wrote: > > Just to confuse matters further I realised the reason I could get a > response > using your code is that it was using the "application/json/badgerfish" > MESSAGE_TYPE when in fact in my axis2.xml config my > JSONBadgerfishMessageFormatter/JSONBadgerfishOMBuilder are defined as using > "text/javascript". So in fact with your code I was sending plain XML, not > JSON. When I change it to "text/javascript" I get an exception and no > output: > Caused by: java.lang.IllegalArgumentException: The MessageContext does not > have an associated SOAPFault. This happens at the client side when a JSON response is a fault. I undentified this issue a couple of days ago. We are in the progree of discussing this issue on the Axis2-dev list [1]. We should have a sollution for this soon. Thanks, Keith. [1] http://markmail.org/message/mzlbfvjujfeyeuzd > > > My client code is: > ServiceClient client = new > > ServiceClient(ConfigurationContextFactory.createConfigurationContextFromFileSystem(null,"axis2.xml"), > null); > Options options = client.getOptions(); > > options.setProperty(Constants.Configuration.MESSAGE_TYPE,"text/javascript"); > client.setTargetEPR(new > EndpointReference(" > http://mooshup.com/services/samples/RESTSample/getWeather";)); > try { > OMElement payload = > AXIOMUtil.stringToOM("<getWeather><city>col</city></getWeather>"); > OMElement omElement = client.sendReceive(payload); > omElement.serialize(System.out); > } catch (XMLStreamException e) { > e.printStackTrace(); > } > > So I am still very stuck! > Nick > > > Nick Steel wrote: > > > > And yes when I use your code I am able to receive the response from the > > weather service without problem. The only difference I can see between > the > > response from the weather service and my service is that I have ns:return > > and you have return, surely that's not the problem?! Otherwise they look > > pretty much the same. > > > > Nick > > > > > > Nick Steel wrote: > >> > >> Sorry to bring this up again after so long but I've had some time now to > >> play with this again and I'm still having problems. I am able to form a > >> sensible looking JSON request containing my namespace and without. In > >> EITHER case the response from the server comes back with the namespace > >> included: > >> {"ns:getMostActiveArtistResponse":{"@xmlns":{"ns":"http:\/\/ > NicksGigs.nsteel.qis.Nickcom.com"},"ns:return":{"$":"The > >> Cure"}}} > >> > >> When I then do response.getChildElements(); I get the error > "forceExpand: > >> expected element namespace getMostActiveArtistResponse, found " which > >> then throws the exception "Element namespace from data source is > >> http://NicksGigs.nsteel.qis.Nickcom.com, not the expected ". > >> > >> All I'm doing on my Java client is: > >> OMFactory fac = OMAbstractFactory.getOMFactory(); > >> OMNamespace ns = > >> fac.createOMNamespace("http://NicksGigs.nsteel.qis.Nickcom.com","ns2";); > >> OMElement rootElement = fac.createOMElement("getMostActiveArtist", ns); > >> OMElement response = client.sendReceive(rootElement); > >> Iterator<OMElement> itr = response.getChildElements(); > >> > >> Which sends the request: > >> {"ns2:getMostActiveArtist":{"@xmlns":{"ns2":"http:\/\/ > NicksGigs.nsteel.qis.Nickcom.com"}}} > >> > >> When tracing through it seems that the badgerfish receiver doesn't have > a > >> correct record of the namespace, should I be setting it somewhere before > >> I send the request? > >> > >> Thanks, > >> Nick > >> > >> > >> Keithgchapman wrote: > >>> > >>> Hi Nick, > >>> > >>> I gave this a try and it works for me. In my example scenario I access > >>> a service which is deployed on a WSO2 Mashup Server [1] on mooshup.com > >>> (The WSO2 Mashup Server runs on top of Axis2). the service I access is > >>> the RESTSample [2]. My client is as follows, > >>> > >>> ServiceClient serviceClient = new > >>> > ServiceClient(ConfigurationContextFactory.createConfigurationContextFromFileSystem(null, > >>> "/opt/repo/axis2_default.xml"), null); > >>> Options options = new Options(); > >>> options.setTo(new > >>> EndpointReference(" > http://mooshup.com/services/samples/RESTSample/getWeather";)); > >>> serviceClient.setOptions(options); > >>> OMElement payload = > >>> AXIOMUtil.stringToOM("<getWeather><city>col</city></getWeather>"); > >>> > >>> > options.setProperty(Constants.Configuration.MESSAGE_TYPE,"application/json/badgerfish"); > >>> OMElement omElement = serviceClient.sendReceive(payload); > >>> omElement.serialize(System.out); > >>> > >>> The TCPMon traces of the messages are, > >>> Input > >>> > >>> POST /services/samples/RESTSample/getWeather HTTP/1.1 > >>> > >>> Content-Type: application/json/badgerfish; charset=UTF-8 > >>> > >>> User-Agent: Axis2 > >>> > >>> Host: 127.0.0.1 > >>> > >>> Transfer-Encoding: chunked > >>> > >>> > >>> > >>> 23 > >>> > >>> {"getWeather":{"city":{"$":"col"}}} > >>> > >>> 0 > >>> > >>> > >>> Output > >>> > >>> HTTP/1.1 200 OK > >>> > >>> Server: Apache-Coyote/1.1 > >>> > >>> Content-Type: application/json/badgerfish;charset=UTF-8 > >>> > >>> Transfer-Encoding: chunked > >>> > >>> Date: Mon, 01 Sep 2008 14:40:35 GMT > >>> > >>> > >>> > >>> 73 > >>> > >>> {"ws:getWeatherResponse":{"@xmlns":{"ws":"http:\/\/ > services.mashup.wso2.org\/RESTSample?xsd"},"return":{"$":"10"}}} > >>> > >>> 0 > >>> > >>> > >>> BTW the JavaScript module on the WSO2 Mashup Server [1] up on > >>> mooshup.com is the one shipped with the 1.4 release of Axis2. And as > >>> you see it works fine. Can you give this a try please. > >>> > >>> Thanks, > >>> Keith. > >>> > >>> [1] http://wso2.org/projects/mashup > >>> [2] http://mooshup.com/mashup.jsp?author=samples&mashup=RESTSample > >>> > >>> On Fri, Aug 29, 2008 at 9:13 PM, Nick Steel > >>> <[EMAIL PROTECTED]> wrote: > >>>> > >>>> Following my unresolved problem with REST last week I tried using JSON > >>>> and > >>>> have had more problems! I followed the guide at > >>>> http://wso2.org/library/768 > >>>> and the sample yahoojsonsearch in the axis2 samples. I set the > message > >>>> builders and formatters in the axis2.xml as instructed. I then > firstly > >>>> tried to use my existing ADB bindings with the ContentType property > set > >>>> to > >>>> "application/json" and when they failed to work I tried constructing > >>>> the > >>>> OMElement myself as in the sample but with no success. Then I tried a > >>>> mixture of the two which is the only way I can get a response! > >>>> > >>>> client = new ServiceClient(super.getConfigContext(), > >>>> Options options = client.getOptions(); > >>>> options.setProperty(Constants.Configuration.MESSAGE_TYPE, > >>>> "application/json"); > >>>> client.setTargetEPR(new EndpointReference(endpointUrl)); > >>>> > >>>> GetGigsIn getGigsInObj = new GetGigsIn(); > >>>> getGigsInObj.setParam0(city); > >>>> OMElement rootElement = getGigsInObj.getOMElement(GetGigsIn.MY_QNAME, > >>>> fac); > >>>> OMElement response = client.sendReceive(rootElement); > >>>> > >>>> However it throws an exception after during the last line and TCPmon > >>>> shows > >>>> the request and response as: > >>>> POST /NicksGigs-war-Axis2/services/GigListingsService HTTP/1.1 > >>>> Content-Type: application/json; charset=UTF-8 > >>>> User-Agent: Axis2 > >>>> Host: 10.4.39.241:8089 > >>>> Transfer-Encoding: chunked > >>>> > >>>> 69 > >>>> {"ns2:getGigsIn":{"@xmlns":{"ns2":"http:\/\/ > NicksGigs.nsteel.qis.Nickcom.com"},"param0":{"$":"London"}}} > >>>> 0 > >>>> ------------------ > >>>> HTTP/1.1 500 Internal Server Error > >>>> Server: Apache-Coyote/1.1 > >>>> Content-Type: application/json;charset=UTF-8 > >>>> Transfer-Encoding: chunked > >>>> Date: Fri, 29 Aug 2008 12:22:43 GMT > >>>> Connection: close > >>>> > >>>> 10c > >>>> {"Fault":{"$":"<soapenv:Fault > >>>> xmlns:soapenv=\"http:\/\/schemas.xmlsoap.org > \/soap\/envelope\/\"><faultcode>soapenv:Server<\/faultcode><faultstring>namespace > >>>> mismatch require http:\/\/NicksGigs.nsteel.qis.Nickcom.com found > >>>> <\/faultstring><detail \/><\/soapenv:Fault>"}} > >>>> 0 > >>>> > >>>> > >>>> After tracing through the serverside code I found that the empty > >>>> namespace > >>>> object is created in JSONOMBuilder at Line 52: > >>>> OMNamespace ns = new OMNamespaceImpl("", "") > >>>> > >>>> And then only used to create a new OMSourcedElementImpl object at line > >>>> 111: > >>>> return new OMSourcedElementImpl(localName, ns, factory, > >>>> jsonDataSource); > >>>> > >>>> After which point I dont know what happens to it. If I then set an > >>>> expression in Eclipse while debugging to manually set this namespace > >>>> object > >>>> [ns = new OMNamespaceImpl("http://NicksGigs.nsteel.qis.Nickcom.com";, > >>>> "");] > >>>> then the server returns a full response but something on the client > >>>> side > >>>> throws this exception: > >>>> Caused by: org.apache.axiom.om.OMException: > >>>> javax.xml.stream.XMLStreamException: Invalid prefix ns on element > >>>> ns:return > >>>> at > >>>> > org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:249) > >>>> at > >>>> > org.apache.axiom.om.impl.llom.OMElementImpl.buildNext(OMElementImpl.java:633) > >>>> at > >>>> > org.apache.axiom.om.impl.llom.OMSourcedElementImpl.buildNext(OMSourcedElementImpl.java:847) > >>>> at > >>>> > org.apache.axiom.om.impl.llom.OMElementImpl.getFirstOMChild(OMElementImpl.java:650) > >>>> at > >>>> > org.apache.axiom.om.impl.llom.OMSourcedElementImpl.getFirstOMChild(OMSourcedElementImpl.java:839) > >>>> at > >>>> > org.apache.axiom.om.impl.llom.OMElementImpl.getFirstElement(OMElementImpl.java:956) > >>>> at > >>>> > org.apache.axiom.om.impl.llom.OMSourcedElementImpl.getFirstElement(OMSourcedElementImpl.java:410) > >>>> at > >>>> > org.apache.axiom.om.impl.llom.OMElementImpl.getChildElements(OMElementImpl.java:332) > >>>> at > >>>> > org.apache.axiom.om.impl.llom.OMSourcedElementImpl.getChildElements(OMSourcedElementImpl.java:267) > >>>> at > >>>> > com.qualcomm.qis.nsteel.NicksGigs.ManualJson.getGigsIn(ManualJson.java:69) > >>>> ... 32 more > >>>> > >>>> Line 69 in ManualJson is: > >>>> Iterator<OMElement> itr = response.getChildElements(); > >>>> Which seems to be throwing an error because the response has not been > >>>> properly parsed (response.done=false). > >>>> > >>>> What am i doing wrong here with the namespaces to get both of these > >>>> problems? > >>>> -- > >>>> View this message in context: > >>>> http://www.nabble.com/Axis2-Java-and-JSON-tp19222439p19222439.html > >>>> Sent from the Axis - User mailing list archive at Nabble.com. > >>>> > >>>> > >>>> --------------------------------------------------------------------- > >>>> To unsubscribe, e-mail: [EMAIL PROTECTED] > >>>> For additional commands, e-mail: [EMAIL PROTECTED] > >>>> > >>>> > >>> > >>> > >>> > >>> -- > >>> Keith Chapman > >>> Senior Software Engineer > >>> WSO2 Inc. > >>> Oxygenating the Web Service Platform. > >>> http://wso2.org/ > >>> > >>> blog: http://www.keith-chapman.org > >>> > >>> --------------------------------------------------------------------- > >>> To unsubscribe, e-mail: [EMAIL PROTECTED] > >>> For additional commands, e-mail: [EMAIL PROTECTED] > >>> > >>> > >>> > >> > >> > > > > > > -- > View this message in context: > http://www.nabble.com/Axis2-Java-and-JSON-tp19222439p19625234.html > Sent from the Axis - User mailing list archive at Nabble.com. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > -- Keith Chapman Senior Software Engineer WSO2 Inc. Oxygenating the Web Service Platform. http://wso2.org/ blog: http://www.keith-chapman.org
