RE: RESTful Web Services using Axis2 and Mapped JSON

[Yashwanth Rajaram -X (yrajaram - ZENSAR TECHNOLOGIES INC at Cisco)]

We are also struggling with this ... seems like converting JSON payload
to Axis' internal notation is the issue...

If you make this work pls share a sample...

 

thanks,

--

Yashwanth

 

From: Public Network Services [mailto:publicnetworkservi...@gmail.com] 
Sent: Saturday, November 12, 2011 4:41 AM
To: java-user@axis.apache.org
Subject: RESTful Web Services using Axis2 and Mapped JSON

 

Hi...

 

I have been trying for days now to implement a simple REST web service
using Axis 1.6.2 in Jetty 8.0.4, with serialization and deserialization
in JSON, but with limited success: all the code works fine with SOAP,
but not with REST. So, any help is very welcome. 

 

For start, I am trying to make the sample "MyService" in
samples/userguide/example1 work with
samples/userguide/clients/RESTClient. The service works fine with SOAP,
but after adding

 

        options.setProperty(Constants.Configuration.ENABLE_REST,
Constants.VALUE_TRUE);

 

it stops working, returning a cryptic AxisFault message referring to a
NullPointerException, without any further information.

 

I am aware of issue 5158
(https://issues.apache.org/jira/browse/AXIS2-5158
<https://issues.apache.org/jira/browse/AXIS2-5158> ), but the
services.xml file in the repository/services/sample-MyService.aar
archive already uses the required RawXMLINOutMessageReceiver and I have
declared "application/json" in both the client and the service axis2.xml
configuration file.

 

TCPMon shows that the request is transmitted in proper Mapped JSON (I
don't want Badgerfish) but, as already mentioned, an AxisFault is
returned.

 

I need to make this thing work asap and have run out of ideas. Any
clues?

 

Thanks!

 

PS: These are the formatting statements in my axis2.xml files (client
and service sides).

 

    <!-- ================================================= -->

    <!-- Message Receivers -->

    <!-- ================================================= -->

    <messageReceivers>

        <messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-only";

 
class="org.apache.axis2.receivers.RawXMLINOnlyMessageReceiver"/>

        <messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-out";

 
class="org.apache.axis2.receivers.RawXMLINOutMessageReceiver"/>

        <messageReceiver mep="http://www.w3.org/2006/01/wsdl/in-only";

 
class="org.apache.axis2.receivers.RawXMLINOnlyMessageReceiver"/>

        <messageReceiver mep="http://www.w3.org/2006/01/wsdl/in-out";

 
class="org.apache.axis2.receivers.RawXMLINOutMessageReceiver"/>

        <messageReceiver mep="http://www.w3.org/ns/wsdl/in-only";

 
class="org.apache.axis2.receivers.RawXMLINOnlyMessageReceiver"/>

        <messageReceiver mep="http://www.w3.org/ns/wsdl/in-out";

 
class="org.apache.axis2.receivers.RawXMLINOutMessageReceiver"/>

    </messageReceivers>

 

    <!-- ================================================= -->

    <!-- Message Formatter -->

    <!-- ================================================= -->

    <messageFormatters>

          <messageFormatter contentType="application/json"

 
class="org.apache.axis2.json.JSONMessageFormatter"/>

        <messageFormatter
contentType="application/x-www-form-urlencoded"

 
class="org.apache.axis2.transport.http.XFormURLEncodedFormatter"/>

        <messageFormatter contentType="multipart/form-data"

 
class="org.apache.axis2.transport.http.MultipartFormDataFormatter"/>

        <messageFormatter contentType="application/xml"

 
class="org.apache.axis2.transport.http.ApplicationXMLFormatter"/>

        <messageFormatter contentType="text/xml"

 
class="org.apache.axis2.transport.http.SOAPMessageFormatter"/>

        <messageFormatter contentType="application/soap+xml"

 
class="org.apache.axis2.transport.http.SOAPMessageFormatter"/>

    </messageFormatters>

 

    <!-- ================================================= -->

    <!-- Message Builders -->

    <!-- ================================================= -->

    <messageBuilders>

        <messageBuilder contentType="application/json"

                        class="org.apache.axis2.json.JSONOMBuilder"/>

        <messageBuilder contentType="application/xml"

 
class="org.apache.axis2.builder.ApplicationXMLBuilder"/>

        <messageBuilder contentType="application/x-www-form-urlencoded"

 
class="org.apache.axis2.builder.XFormURLEncodedBuilder"/>

        <messageBuilder contentType="multipart/form-data"

 
class="org.apache.axis2.builder.MultipartFormDataBuilder"/>

    </messageBuilders>