How to make a http request from a pl/sql procedure(URGENT)

I need to make a http request from a pl/sql procedure, can any one tell me which built-in package and which procedure/function we serve my need?
Thanks in advance.
Ram Prasad.

You should use UTL_HTTP package, but before it install the JVM into DB

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Hi,
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Hello Frederico,
>1. By creating a new client, you mean go to "Environment->SSL Client Identitites" in STRUST, right? >Can I use a previously existing one?
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hello,
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Please reply ...

Yes it is.
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http://orasoa.blogspot.com/2006/11/calling-bpel-process-with-utldbws.html
Re: Error running demo PL/SQL consuming web services
I used this utl_http example:
declare
soap_request varchar2(30000);
soap_respond varchar2(30000);
http_req utl_http.req;
http_resp utl_http.resp;
launch_url varchar2(240) ;
begin
soap_request:='<?xml version="1.0" encoding="UTF-8"?>
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Header/>
<soap:Body xmlns:ns1="http://xmlns.oracle.com/testtask">
<ns1:testtaskProcessRequest><ns1:input>leeg</ns1:input></ns1:testtaskProcessRequest>
</soap:Body>
</soap:Envelope>';
http_req:= utl_http.begin_request('http://yourhostname/orabpel/default/testtask/1.0'
,'POST',
'HTTP/1.1'
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utl_http.set_header(http_req, 'SOAPAction', 'initiate');
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utl_http.read_text(http_resp, soap_respond) ;
utl_http.end_response(http_resp) ;
dbms_output.put_line(soap_respond);
end;

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Yes u can do it. there are two ways.
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In this case u can create SOAP request message & send it as Http request to your deployed BPEL process.
This package provides some methods like
set_header,write_text,get_response,read_text etc..
Following is part of code which may be helpful to you.
create or replace package body test_book_order_sub_pkg
is
FUNCTION test_book_order_sub(p_subscription_guid IN RAW,
p_event IN OUT WF_EVENT_T
                                        Return VARCHAR2 IS
soap_request varchar2(30000);
soap_respond varchar2(30000);
http_req utl_http.req;
http_resp utl_http.resp;
launch_url varchar2(240) ;
     begin
     DBMS_OUTPUT.Put_Line('Subscription : Order has been booked');
     soap_request:='<?xml version="1.0" encoding="UTF-8"?>
     <soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Header/>
<soap:Body xmlns:ns1="http://xmlns.oracle.com/BES_BookOrder">
<ns1:BES_BookOrderProcessRequest>
<ns1:input>725</ns1:input>
</ns1:BES_BookOrderProcessRequest>
</soap:Body>
</soap:Envelope>';
http_req:= utl_http.begin_request
('http://172.28.5.191:8888/orabpel/default/BES_BookOrder/1.0',
'POST',
'HTTP/1.1'
utl_http.set_header(http_req, 'Content-Type', 'text/xml') ;
utl_http.set_header(http_req, 'Content-Length', length(soap_request)) ;
utl_http.set_header(http_req, 'SOAPAction', 'initiate');
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http_resp:= utl_http.get_response(http_req) ;
utl_http.read_text(http_resp, soap_respond) ;
utl_http.end_response(http_resp) ;
DBMS_OUTPUT.Put_Line(soap_respond);
return('SUCCESS');
end test_book_order_sub;
end test_book_order_sub_pkg;
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/mishit

Invoking an ESB service from a PL/SQL procedure (URGENT)

I used this utl_http example:
DECLARE
req Xxm_Web_Service_Client_Pkg.request;
res Xxm_Web_Service_Client_Pkg.response;
l_return_status VARCHAR2(2);
l_msg_count NUMBER;
l_msg_data VARCHAR2(2000);
BEGIN
req := Xxm_Web_Service_Client_Pkg.new_request('alta','xmlns="http://cliente.services.provisioning.vision.com"');
Xxm_Web_Service_Client_Pkg.add_TagGroup(req,'altaClienteParameters');
Xxm_Web_Service_Client_Pkg.add_parameter(req,'apellido','xsd:string','deHaro');
Xxm_Web_Service_Client_Pkg.add_parameter(req,'email','xsd:string','[email protected]');
Xxm_Web_Service_Client_Pkg.add_parameter(req,'nombre','xsd:string','emilio');
Xxm_Web_Service_Client_Pkg.add_parameter(req,'password','xsd:string','a');
Xxm_Web_Service_Client_Pkg.add_parameter(req,'passwordInstalador','xsd:string','a');
Xxm_Web_Service_Client_Pkg.add_parameter(req,'tipoCliente','xsd:string','1');
Xxm_Web_Service_Client_Pkg.add_parameter(req,'username','xsd:string','1');
Xxm_Web_Service_Client_Pkg.add_parameter(req,'versionContrato','xsd:string','1');
Xxm_Web_Service_Client_Pkg.add_TagGroup(req,'commonParameters');
Xxm_Web_Service_Client_Pkg.add_parameter(req,'idAdmin','xsd:long','1');
Xxm_Web_Service_Client_Pkg.add_parameter(req,'idCaller','xsd:long','9');
Xxm_Web_Service_Client_Pkg.add_parameter(req,'idCliente','xsd:long','1000000');
Xxm_Web_Service_Client_Pkg.add_parameter(req,'idEmpresa','xsd:long','1000');
Xxm_Web_Service_Client_Pkg.add_parameter(req,'idEntradaCaller','xsd:long','1');
Xxm_Web_Service_Client_Pkg.close_TagGroup(req,'commonParameters');
Xxm_Web_Service_Client_Pkg.close_TagGroup(req,'altaClienteParameters');
res := Xxm_Web_Service_Client_Pkg.invoke(p_init_msg_list => FND_API.G_TRUE,
p_url => 'http://198.137.253.178:7777/event/DefaultSystem/clienteService_RS',
p_action => 'alta',
x_return_status => l_return_Status,
x_msg_count => l_msg_count,
x_msg_data => l_msg_data,
x_req => req);
IF (l_return_Status != FND_API.G_RET_STS_SUCCESS) THEN
dbms_output.put_line(XXM_Util_Pkg.Get_Msg(l_msg_count));
END IF;
END;
The process deployed is an ESB service .However on execution of the above code I get the following message as the response from the server. Also there is no new instance of the ESB services created (to show that the service was triggered)
<env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/"><env:Header/>
<env:Body>
<env:Fault xmlns:env="http://schemas.xmlsoap.org/soap/envelope/">
<faultcode>env:Server</faultcode>
<faultstring>java.lang.NullPointerException</faultstring>
<faultactor></faultactor>
</env:Fault>
</env:Body>
</env:Envelope>
I found the following messages in esb-rt J2EE Application log
Cluster Topology > Application Server: soasuite.esbprov > Log Files > Search Logs >
OWS-04052 Unable to determine operation id from SOAP Message
OWS-04005 An error ocurred for port: EventProvider: javax.xml.rpc.JAXRPCException: java.lang.NullPointerException
The soap message that I am using in the code (as input to the process) is
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:xsi="http://www.w3.org/1999/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/1999/XMLSchema">
<soap:Body>
<alta xmlns="http://cliente.services.provisioning.vision.com/"
soap:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<altaClienteParameters>
<apellido>xxxxx</apellido>
<email>[email protected]</email>
<nombre>emilio</nombre>
<password>a</password>
<passwordInstalador>a</passwordInstalador>
<tipoCliente>1</tipoCliente>
<username>1</username>
<versionContrato>1</versionContrato>
<commonParameters>
<idAdmin>1</idAdmin>
<idCaller>9</idCaller>
<idCliente>1000000</idCliente>
<idEmpresa>1000</idEmpresa>
<idEntradaCaller>1</idEntradaCaller>
</commonParameters>
</altaClienteParameters>
</alta>
</soap:Body>
</soap:Envelope>
Another SOAP message when used directly to initiate the ESB services (by pasting this SOAP on Test WebService option) worked fined
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Body xmlns:ns1="http://cliente.services.provisioning.cablevision.com/">
<ns1:alta>
<altaClienteParameters>
<apellido>A</apellido>
<commonParameters>
<idAdmin>10</idAdmin>
<idCaller>10</idCaller>
<idCliente>10</idCliente>
<idEmpresa>1</idEmpresa>
<idEntradaCaller>10</idEntradaCaller>
</commonParameters>
<email>[email protected]</email>
<nombre>AAAA</nombre>
<password>sssss</password>
<passwordInstalador>sssss</passwordInstalador>
<tipoCliente>1</tipoCliente>
<username>cccccc</username>
<versionContrato>1</versionContrato>
</altaClienteParameters>
</ns1:alta>
</soap:Body>
</soap:Envelope>
Thanks in advance.

I change p_action value ( before p_action => 'alta' ) now ( p_action => '"alta"' )
res := Xxm_Web_Service_Client_Pkg.invoke(p_init_msg_list => FND_API.G_TRUE,
p_url => 'http://198.137.253.178:7777/event/DefaultSystem/clienteService_RS',
p_action => '"alta"',
x_return_status => l_return_Status,
x_msg_count => l_msg_count,
x_msg_data => l_msg_data,
x_req => req)
And the invokation an ESB service from a PLSQL procedure began to work fine !!!
Thanks for all answers
Thans Peter !!!
Claudio

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