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Calling REST Service from OSB.

Siddhardha MJul 11 2012 — edited Jul 12 2012
Hi All,

I am calling a rest service from OSB BusinessService and tested it using Test Console.It worked fine.
When i am calling the BusinessService from ProxyService ,The invocation is failing in BusinessService with following error.

BEA-380000: General runtime error: charsetName

Details of the Service:
=============

URL : http://api.geonames.org/postalCodeSearch?postalcode=90110&username=siddhardha

It has 2 parameters ..postalcode & username.

Populated below to outbound variable as part of callout.

1# <http:http-method>GET</http:http-method>

2# <http:query-parameters>
<http:parameter name="postalcode" value="{$v}"/>
<http:parameter name="username" value="{$q}"/>
</http:query-parameters>


Can someone point me to any code sample for this.Where i am doing wrong.

NOTE : The main question is how to send the query parameters to BusinessService from Proxy Service.
I am getting these values from the user as part of XML input.

Thanks,
Sid.

Comments

Siddhardha M
At high level the trace looks like this...
I am not sure where it failed,Whether invocation of BizService failed or Invocation of REST from Biz failed.?

Route to: "MyLifeProtalBizService"
$outbound:
$body (request):
<soapenv:Body xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"/>
$header (request):
<soapenv:Header xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"/>
$attachments (request):

$outbound
=======

<con:endpoint name="BusinessService$MyLifeOSBProject$MyLifeProtalBizService" xmlns:con="http://www.bea.com/wli/sb/context">
<con:service/>
<con:transport>
<con:mode>request-response</con:mode>
<con:qualityOfService>best-effort</con:qualityOfService>
<con:request xsi:type="http:HttpRequestMetaData" xmlns:http="http://www.bea.com/wli/sb/transports/http" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<tran:headers xsi:type="http:HttpRequestHeaders" xmlns:tran="http://www.bea.com/wli/sb/transports">
<http:Content-Type>text/xml</http:Content-Type>
</tran:headers>
<http:query-parameters>
<http:parameter name="username" value="siddhardha"/>
<http:parameter name="postalcode" value="90110"/>
</http:query-parameters>
</con:request>
</con:transport>
<con:security>
<con:doOutboundWss>false</con:doOutboundWss>
</con:security>
</con:endpoint>

$body (request):
<soapenv:Body xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"/>

$header (request):
<soapenv:Header xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"/>
Siddhardha M
Error:
====

System Error Handler

$fault:
<con:fault xmlns:con="http://www.bea.com/wli/sb/context">
<con:errorCode>BEA-380000</con:errorCode>
<con:reason>General runtime error: charsetName</con:reason>
<con:location>
<con:node>RouteNode1</con:node>
<con:path>request-pipeline</con:path>
</con:location>
</con:fault>
Eric Elzinga
see this example :
https://blogs.oracle.com/jeffdavies/entry/enhanced_rest_support_in_oracl

you just need to change the transport var with your parameters
Siddhardha M
I tried this sample using the same link.
I will read this again and see if i missed anything...

Thanks for the reply.I will update the post with my observations..
I might need your help to complete this sample , if it doesn't work today.

Thanks in advance,
Sid.
Siddhardha M
Eric,

In this sample they are not using BusinessService to call REST.
Looks like i messed up the bizService configuration.

Configuration of BizService:
================
ServiceType : MessageService
RequestMessageType : None
ResponseMessageType :Text
Endpoint URI : http://api.geonames.org/postalCodeSearch
HttpRequestMethod : GET


See if i am missing anything..
I created my proxy same as what is mentioned in the https://blogs.oracle.com/jeffdavies/entry/enhanced_rest_support_in_oracl

Thanks,
Sid.
Siddhardha M
Thank God..I found the issue..

I added the following into the outbound variable as a child to "./ctx:transport/ctx:request".

<tran:encoding xmlns:tran="http://www.bea.com/wli/sb/transports">utf-8</tran:encoding>

It solved the problem..

Thanks,
Sid.
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Locked on Aug 9 2012
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#soa-process-management, #soa-suite-discusssions
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