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Date: Thu, 3 Dec 2009 16:28:10 -0800
Message-ID: <d8bdeb6f0912031628x4fff96afua2ca54e10c726911@mail.gmail.com>
Subject: Re: Problem with Struts 2 JSON RPC using simple HTTP Post (not using
	DOJO)
From: Musachy Barroso <musachy@gmail.com>
To: Struts Users Mailing List <user@struts.apache.org>
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It seems like one of the fields of TransportAssignmentVO is a list,
and what is coming from the JSON objects looks more like a map, can
you set a  break point on ClassCastException exceptions and tell us
what the field is? or post the setter/getters of
TransportAssignmentVO.

musahcy

On Thu, Dec 3, 2009 at 4:05 PM, Jeet08 <prbhadra@gmail.com> wrote:
>
> I have developed a native client interface which calls struts2 JSON RPC u=
sing
> post method. I have set content type, content length as suggested in the
> spec. The request body looks like as follows :
> {"method": "uploadTxpAssignment","id": "txpUploadRequest",
> "params":{"addressByDestAddrId":{"addrLine1":"test home","addrLine2":"7th
> ave","addressId":2,"aptRoomNo":5,"city":"queens","phone":"435-577-4567","=
state":"NY","zipCode":10183},"atDestTime":null,"callRcvdTime":"2009-11-26T0=
8:01:00","comments":"comments1","dateCreated":"2009-11-26T00:00:00","dateMo=
dified":null,"user":{"dateCreated":null,"dateModified":null,"dob":"1956-09-=
18T00:00:00","firstName":"passfname","gender":"Male","lastName":"patient1ln=
ame","mi":null,"ssn":null,"userId":10000}}}
>
> The struts.xml configurations are :
> <action name=3D"UploadAction" class=3D"com.actions.upload.UploadAction"
> method=3D"smd">
> =A0 =A0 =A0 =A0 =A0<interceptor-ref name=3D"json">
> =A0 =A0 =A0true
> =A0 =A0 =A0false
> =A0 </interceptor-ref>
> =A0 <result type=3D"json">
> =A0 =A0 =A0true
> =A0 =A0 =A0 =A0false
> =A0 =A0 =A0 =A0 =A0 =A0 text/plain
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A01024
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0false
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0UTF-8
> =A0 =A0 =A0 =A0</result>
> =A0 =A0</action>
>
> The simple action code body :
> public class UploadCallreportAction {
> =A0 =A0 =A0 =A0private TransportAssignmentVO transport;
> =A0 =A0 =A0 =A0/**
> =A0 =A0 =A0 =A0 * @return the transport
> =A0 =A0 =A0 =A0 */
> =A0 =A0 =A0 =A0public TransportAssignmentVO getTransport() {
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0return transport;
> =A0 =A0 =A0 =A0}
>
> =A0 =A0 =A0 =A0/**
> =A0 =A0 =A0 =A0 * @param transport the transport to set
> =A0 =A0 =A0 =A0 */
> =A0 =A0 =A0 =A0public void setTransport(TransportAssignmentVO transport) =
{
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0this.transport =3D transport;
> =A0 =A0 =A0 =A0}
>
> =A0 =A0 =A0 =A0public String smd() {
> =A0 =A0 =A0 =A0return Action.SUCCESS;
> =A0 =A0}
>
> =A0 =A0@SMDMethod
> =A0 =A0public void uploadTxpAssignment(TransportAssignmentVO txpVO) {
> =A0 =A0 =A0 =A0setTransport(txpVO);
> =A0 =A0 =A0System.out.println("The Tansport assignment is for Run #:"+
> transport.getRunNumber());
> =A0 =A0 =A0}
> }
>
> When I run the client the call reaches the server and returns me an
> exception :
> :35,013 ERROR [RPCError] java.util.HashMap cannot be cast to java.util.Li=
st
> java.lang.ClassCastException: java.util.HashMap cannot be cast to
> java.util.List
> =A0 =A0 =A0 =A0at org.apache.struts2.json.JSONInterceptor.invoke(JSONInte=
rceptor.java:204)
> =A0 =A0 =A0 =A0at
> org.apache.struts2.json.JSONInterceptor.intercept(JSONInterceptor.java:13=
1)
> =A0 =A0 =A0 =A0at
> com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvoc=
ation.java:237)
> =A0 =A0 =A0 =A0at
> org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:=
52)
> =A0 =A0 =A0 =A0at
> org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:48=
8)
> =A0 =A0 =A0 =A0at
> org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.=
java:395)
>
> I am also using Spring 2.5 and Hibernate JPA in the same app.... Not sure=
 if
> there is any conflict.I have followed the simple rules to set up the JSON
> RPC.However I am not able to resolve the problem. Please let me know if
> anyone has a solution for this.
> --
> View this message in context: http://old.nabble.com/Problem-with-Struts-2=
-JSON-RPC-using-simple-HTTP-Post-%28not-using-DOJO%29-tp26635563p26635563.h=
tml
> Sent from the Struts - User mailing list archive at Nabble.com.
>
>
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