I'm using the ESB that comes with WSO2 API Manager 1.7.0. 

The Formatter is:  class="org.apache.axis2.json.JSONMessageFormatter" The 
Builder is: class="org.apache.axis2.json.JSONBuilder"Date: Fri, 9 Jan 2015 
09:25:53 +0530
From: [email protected]
To: [email protected]
Subject: Re: [Dev] getPayloadJSON returning an empty object

Also specify what is the ESB version used? 4.9.0 M4 or 4.8.1?
On Fri, Jan 9, 2015 at 7:54 AM, Asanka Dissanayake <[email protected]> wrote:
Hi Maz,
What is the JSON builder and formatter you are using? You can find them in 
<Carbon_Home>/repository/conf/axis2/axis2.xml under Formatters and Builders.

Thanks,
Asanka

On Thu, Jan 8, 2015 at 8:14 PM, Bhathiya Jayasekara <[email protected]> wrote:
Hi Maz,
I quickly tried out your config and it worked fine for me. I'm copying my full 
config here for your reference. 
<api xmlns="http://ws.apache.org/ns/synapse"; name="jsonTest" context="/json">   
<resource methods="POST">      <inSequence>         <loopback></loopback>      
</inSequence>      <outSequence>         <script language="js">var older = 
mc.getPayloadJSON();     var newer=older;     
mc.setPayloadJSON(newer);</script>         <send></send>      </outSequence>   
</resource></api>                                                               
     
Request:curl -X POST -d "{\"origin\":\"202.37.75.130\"}" -H "Content-Type: 
application/json" http://10.113.56.222:8281/json

Response:{"origin":"202.37.75.130"}

Hope this helps.
Thanks,Bhathiya
On Fri, Jan 9, 2015 at 3:55 AM, Maz Lakadia <[email protected]> wrote:



I am doing some very simple script mediation as a test to see if I can change 
the payload being returned by my server.My unmediated payload comes out 
as:{"origin":"202.37.75.130"}
Then I try doing a very simple check to see whether get and set work for 
payloads:<script language="js">
    var older = mc.getPayloadJSON(); 
    var newer=older; 
    mc.setPayloadJSON(newer);           
</script> 
My result from this is:{"jsonObject":""}
I have done testing that shows that setPayloadJSON() works, which means that my 
getPayloadJSON must be returning an empty object.Looking at the log file shows 
this:ERROR {org.apache.synapse.mediators.bsf.ScriptMessageContext} -  JSON 
object is null. {org.apache.synapse.mediators.bsf.ScriptMessageContext}
Is there anyone else having this error? Is this happening because the Payload 
is actually a Java object rather than a JSON object?
Thanks,
Maz                                       

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