Call web service using Java code

Hi all,
Sorry if this question sounds stupid. I am new to web services.
I am having a web service written in oracle, using soap-api. I want to call this web service in Java application, parse the result and save it in the database.
Can anyone please guide me on this or give me some related link. I tried searching on google, tried to implement some of the solutions I got in search results, but it was not that helpful.
Waiting for your help. Please guide me through this.
Waiting for your replies. Thanks in advance.
Regards,
Kinnaree

Hi all,
From my java code, I tried giving
String testStr = service.search("and formatted_address like '%Test House%'");
This service method is defined on my SearchPortType.java file. This and the searchClient.java, as I mentioned earlier are auto generated files by myeclipse IDE. I gave WSDL URL, which generated these two files.
This helped me invoking the service, but it gives me an exception as below:
Exception in thread "main" org.codehaus.xfire.XFireRuntimeException: Could not invoke service.. Nested exception is org.codehaus.xfire.fault.XFireFault: Couldn't send message.
org.codehaus.xfire.fault.XFireFault: Couldn't send message.
     at org.codehaus.xfire.fault.XFireFault.createFault(XFireFault.java:89)
     at org.codehaus.xfire.handler.OutMessageSender.invoke(OutMessageSender.java:30)
     at org.codehaus.xfire.handler.HandlerPipeline.invoke(HandlerPipeline.java:131)
     at org.codehaus.xfire.client.Invocation.invoke(Invocation.java:79)
     at org.codehaus.xfire.client.Invocation.invoke(Invocation.java:114)
     at org.codehaus.xfire.client.Client.invoke(Client.java:336)
     at org.codehaus.xfire.client.XFireProxy.handleRequest(XFireProxy.java:77)
     at org.codehaus.xfire.client.XFireProxy.invoke(XFireProxy.java:57)
     at $Proxy8.search(Unknown Source)
     at com.imriel.client.cbre.chelsea.util.test.searchClient.main(searchClient.java:104)
Caused by: org.codehaus.xfire.XFireException: Couldn't send message.
     at org.codehaus.xfire.transport.http.HttpChannel.sendViaClient(HttpChannel.java:145)
     at org.codehaus.xfire.transport.http.HttpChannel.send(HttpChannel.java:48)
     at org.codehaus.xfire.handler.OutMessageSender.invoke(OutMessageSender.java:26)
     ... 8 more
Caused by: java.net.ConnectException: Connection timed out: connect
     at java.net.PlainSocketImpl.socketConnect(Native Method)
     at java.net.PlainSocketImpl.doConnect(Unknown Source)
     at java.net.PlainSocketImpl.connectToAddress(Unknown Source)
     at java.net.PlainSocketImpl.connect(Unknown Source)
     at java.net.SocksSocketImpl.connect(Unknown Source)
     at java.net.Socket.connect(Unknown Source)
     at java.net.Socket.connect(Unknown Source)
     at java.net.Socket.<init>(Unknown Source)
     at java.net.Socket.<init>(Unknown Source)
     at org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(DefaultProtocolSocketFactory.java:79)
     at org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket(DefaultProtocolSocketFactory.java:121)
     at org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:706)
     at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.open(MultiThreadedHttpConnectionManager.java:1321)
     at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:386)
     at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:170)
     at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:396)
     at org.codehaus.xfire.transport.http.CommonsHttpMessageSender.send(CommonsHttpMessageSender.java:369)
     at org.codehaus.xfire.transport.http.HttpChannel.sendViaClient(HttpChannel.java:123)
     ... 10 more
Any ideas, where I am wrong????
Regards,
Kinnaree

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-- Name : http://www.oracle-base.com/dba/miscellaneous/soap_api
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-- Description : SOAP related functions for consuming web services.
-- Ammedments :
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-- =========== ========
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dbms_output.put_line('midas8-2');
IF (l_fault_node IS NOT NULL) THEN
dbms_output.put_line('midas8-3');
l_fault_code := l_fault_node.extract('/'||
p_response.envelope_tag||':Fault/faultcode/child::text()',
'xmlns:'||
p_response.envelope_tag||'="http://schemas.xmlsoap.org/soap/
envelope/').getstringval();
dbms_output.put_line('midas8-4');
l_fault_string := l_fault_node.extract('/'||
p_response.envelope_tag||':Fault/faultstring/child::text()',
'xmlns:'||
p_response.envelope_tag||'="http://schemas.xmlsoap.org/soap/
envelope/').getstringval();
dbms_output.put_line('midas8-5');
--RAISE_APPLICATION_ERROR(-20000, l_fault_code || ' - ' ||
l_fault_string);
END IF;
END;
FUNCTION invoke(p_request IN OUT NOCOPY t_request,
p_url IN VARCHAR2,
p_action IN VARCHAR2)
RETURN t_response AS
l_envelope VARCHAR2(32767);
l_http_request UTL_HTTP.req;
l_http_response UTL_HTTP.resp;
l_response t_response;
BEGIN
dbms_output.put_line('Invoking request');
dbms_output.put_line('url :'||p_url);
dbms_output.put_line('action :'|| p_action);
generate_envelope(p_request, l_envelope);
show_envelope(l_envelope);
l_http_request := UTL_HTTP.begin_request(p_url, 'POST','HTTP/1.0');
dbms_output.put_line('midas1');
IF g_proxy_username IS NOT NULL THEN
DBMS_OUTPUT.PUT_LINE('PROXY USERNAME IS NOT NULL');
UTL_HTTP.set_authentication(r => l_http_request,
username => g_proxy_username,
password => g_proxy_password,
scheme => 'Basic',
for_proxy => TRUE);
END IF;
UTL_HTTP.set_header(l_http_request, 'Content-Type', 'text/xml');
UTL_HTTP.set_header(l_http_request, 'Content-Length',
LENGTH(l_envelope));
UTL_HTTP.set_header(l_http_request, 'SOAPAction', p_action);
UTL_HTTP.write_text(l_http_request, l_envelope);
dbms_output.put_line('midas2');
l_http_response := UTL_HTTP.get_response(l_http_request);
dbms_output.put_line('midas3');
UTL_HTTP.read_text(l_http_response, l_envelope);
dbms_output.put_line('midas4');
UTL_HTTP.end_response(l_http_response);
dbms_output.put_line('midas5');
l_response.doc := XMLTYPE.createxml(l_envelope);
dbms_output.put_line('midas6');
l_response.envelope_tag := p_request.envelope_tag;
dbms_output.put_line('midas7');
l_response.doc := l_response.doc.extract('/'||
l_response.envelope_tag||':Envelope/'||l_response.envelope_tag||':Body/
child::node()',
'xmlns:'||
l_response.envelope_tag||'="http://schemas.xmlsoap.org/soap/
envelope/"');
-- show_envelope(l_response.doc.getstringval());
dbms_output.put_line('midas8');
check_fault(l_response);
dbms_output.put_line('midas9');
RETURN l_response;
END;
FUNCTION get_return_value(p_response IN OUT NOCOPY t_response,
p_name IN VARCHAR2,
p_namespace IN VARCHAR2)
RETURN VARCHAR2 AS
BEGIN
-- RETURN p_response.doc.extract('//'||p_name||'/
child::text()',p_namespace).getstringval();
dbms_output.put_line('function');
dbms_output.put_line(p_name);
DBMS_OUTPUT.PUT_LINE (p_response.doc.extract('//'||p_name||'/
child::text()', p_namespace).getstringval());
RETURN p_response.doc.extract('//'||p_name||'/child::text()',
p_namespace).getstringval();
END;
END SOAP_API_PKG;
Any help greatly appreciated!!

Hello,
I have not looked in detail to you code but I would like to point out that Oracle provides utilities to call Web Services from the database, using a DB package and/or Java in the DB.
Have you looked to the documentation about:
- Developing a Web Service Client in the Database
regards
Tugdual Grall

Error 504 DNS look up failed while calling web services using XML

Hi, I am trying to call web service from Oracle using XML.
Everything seems to be in place but im getting an error "The webserver for <My End URL> reported that an error occurred while trying to access the website. Please click here to return to the previous page."
If I directly access the end url from my browser its accessible and seems to work fine.
The http response receiveed is mentioned below:
Status code: 403
Reason phrase: Forbidden
<html>
<head>
<title>504 DNS look up failed</title>
</head>
<body>
<font size=2><table width="100%"><tr><td bgcolor=#3300cc align="center" colspan=2>504 DNS look up failed</td></tr></table><br><br>The webserver for 'My End URL' reported that an error occurred while trying to access the website. Please click <u>here</u> to return to the previous page.<br><br><hr></font></body>
</html>
Im using Oracle 9i
Please help
Edited by: 927814 on Apr 15, 2012 11:41 PM
Edited by: 927814 on Apr 15, 2012 11:46 PM

Without far greater details as to what you are doing, what you have installed, and what you have tried, not much can be offered. All that I can gather from the information you provided is that the server name you are trying to contact either is not responding or is invalid. If you have Forms installed on your local machine (for example using Developer Suite), try using localhost rather than the hostname. For example, http://localhost:port/forms/frmservlet?form=yourform
http://www.checkupdown.com/status/E504.html

Calling Web Service using utl_http; Parameters not being recognized by ws

Hi All,
I have set-up appropriate function & packages based on this article:
Calling Web Services from PL/SQL in the Oracle9i Database -
http://www.oracle.com/technology/tech/webservices/htdocs/samples/dbwebservice/DBWebServices_PLSQL.html
I am able to consume my sample web service using the above, but my web service doesn't see any parameters that I'm passing.
Any ideas? I'm using Oracle 10g calling a .Net 1.1 web service
Thanks,
Robert

Hello,
I am not able to access the link you posted about calling a web service. Could please share your code again ?
Thanks in advance for your help...
Lionel

How to access PL/SQL Web Services using java

New to Webservices. Created PL/SQL Web Service using JDeveloper. Vendor is not sure how to access it using java. Can anyone please help to point in the right direction or provide some sample ?

So if I'm correct you have already exposed a PL/SQL procedure or function as web service?
In that case you can generate a proxy (client) for the generated web service using JDeveloper. It will generate Java code which invokes the web service.
See the wizard in JDeveloper, it should be in the same category as the create PL/SQL web service wizard.
Regards, Ronald

Service Instance remains active when calling Web Service using WCF-BasicHttp binding

I am trying to call a web service using ESB ToolKit using a dynamic send port. The message went through all the pipeline components successfully. However, after the message is picked up by the WCF adapter, the service instance remains in "Active"
status, and then eventually it dehydrates itself. There's no error in the event log at all. Have anyone seen this problem before? If so, what is the solution?
I tried using a static send port with exactly the same configuration and the message reaches the web service successfully and got the response back.
Please note the web service is RPC-Style web service, not sure if it makes a difference.
Here is the configuration for the static send port
<Address>http://myserver:8088/mockLoadDataBinding</Address><TransportType Name="WCF-BasicHttp" Capabilities="899" ConfigurationClsid="467c1a52-373f-4f09-9008-27af6b985f14" />
<TransportTypeData>
<CustomProps>
<InboundNodeEncoding vt="8">String</InboundNodeEncoding>
<MessageEncoding vt="8">Text</MessageEncoding>
<ServiceCertificate vt="8" />
<InboundBodyPathExpression vt="8">//*[local-name()='return']/node() | //*[local-name()='SecurityException']</InboundBodyPathExpression>
<OutboundBodyLocation vt="8">UseTemplate</OutboundBodyLocation>
<StaticAction vt="8" />
<InboundBodyLocation vt="8">UseBodyPath</InboundBodyLocation>
<ProxyAddress vt="8" />
<MaxReceivedMessageSize vt="3">65536</MaxReceivedMessageSize>
<ClientCertificate vt="8" />
<AlgorithmSuite vt="8">Basic256</AlgorithmSuite>
<ProxyUserName vt="8" />
<OutboundXmlTemplate vt="8"><web:loadData soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" xmlns:web="http://www.company.com/webservices" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><input xsi:type="xsd:string"><bts-msg-body xmlns="http://www.microsoft.com/schemas/bts2007" encoding="string"/></input></web:loadData></OutboundXmlTemplate>
<TextEncoding vt="8">utf-8</TextEncoding>
<PropagateFaultMessage vt="11">-1</PropagateFaultMessage>
<SecurityMode vt="8">None</SecurityMode>
<ProxyToUse vt="8">Default</ProxyToUse>
<TransportClientCredentialType vt="8">None</TransportClientCredentialType>
<OpenTimeout vt="8">00:01:00</OpenTimeout>
<UseAcsAuthentication vt="11">0</UseAcsAuthentication>
<MessageClientCredentialType vt="8">UserName</MessageClientCredentialType>
<UseSSO vt="11">0</UseSSO>
<CloseTimeout vt="8">00:01:00</CloseTimeout>
<SendTimeout vt="8">00:01:00</SendTimeout>
</CustomProps>
</TransportTypeData>
here is the configuration for the dynamic send port (using BRE Resolver)
Set Endpoint Outbound TransportType to WCF-BasicHttp
Set Endpoint Outbound TransportLocation to http://myserver:8088/mockLoadDataBinding
Set Endpoint Message Exchange Pattern to Solicit-Response
Set EndPoint WCF Action to <empty string>
Set Endpoint Config to InboundNodeEncoding=String&MessageEncoding=Text&InboundBodyPathExpression=//*[local-name()='return']/node() | //*[local-name()='SecurityException']&OutboundBodyLocation=UseTemplate&StaticAction=&InboundBodyLocation=UseBodyPath&MaxReceivedMessageSize=65536&AlgorithmSuite=Basic256&OutboundXmlTemplate=<web:loadData
soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" xmlns:web="http://www.company.com/webservices" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><input xsi:type="xsd:string"><bts-msg-body xmlns="http://www.microsoft.com/schemas/bts2007"
encoding="string"/></input></web:loadData>&TextEncoding=utf-8&PropagateFaultMessage vt="11">-1&SecurityMode=None&ProxyToUse=Default&TransportClientCredentialType=None&OpenTimeout=00:01:00&UseAcsAuthentication=False&MessageClientCredentialType=UserName&UseSSO=False&CloseTimeout=00:01:00&SendTimeout=00:01:00
Set Endpoint Target Namespace to
http://www.company.com/webservices

Thanks Birdsven,
I updated the Resolver policy to as follows, and still I am getting the same result.
<then>
<function>
<vocabularylink uri="95dced57-5e9b-4dbe-9cd8-4b166853dd8a" element="4ad331d0-820c-41cb-a98e-7e1f5a9d5360" />
<classmember member="set_TransportType" sideeffects="true">
<classref ref="Resolution" />
<argument>
<constant>
<string>WCF-BasicHttp</string>
</constant>
</argument>
</classmember>
</function>
<function>
<vocabularylink uri="95dced57-5e9b-4dbe-9cd8-4b166853dd8a" element="20652bdd-c1f2-4b75-9e6b-7e20af98e66d" />
<classmember member="set_MessageExchangePattern" sideeffects="true">
<classref ref="Resolution" />
<argument>
<constant>
<string>Solicit-Response</string>
</constant>
</argument>
</classmember>
</function>
<function>
<vocabularylink uri="95dced57-5e9b-4dbe-9cd8-4b166853dd8a" element="9357b8ea-3663-4625-9681-a2fc2f423911" />
<classmember member="set_TransportLocation" sideeffects="true">
<classref ref="Resolution" />
<argument>
<constant>
<string>http://myservice.com:8089/loadDataService</string>
</constant>
</argument>
</classmember>
</function>
<function>
<vocabularylink uri="95dced57-5e9b-4dbe-9cd8-4b166853dd8a" element="9c97e7a0-d119-4b0d-8e39-2b281ae6ef8d" />
<classmember member="set_Action" sideeffects="true">
<classref ref="Resolution" />
<argument>
<constant>
<string>{loadData}</string>
</constant>
</argument>
</classmember>
</function>
<function>
<vocabularylink uri="95dced57-5e9b-4dbe-9cd8-4b166853dd8a" element="2829f1b7-09c0-4396-b82e-23fd65d8439c" />
<classmember member="set_EndpointConfig" sideeffects="true">
<classref ref="Resolution" />
<argument>
<constant>
<string>InboundNodeEncoding=String&MessageEncoding=Text&ServiceCertificate=&InboundBodyPathExpression=//*[local-name()='return']/node() | //*[local-name()='SecurityException']&OutboundBodyLocation=UseTemplate&StaticAction=&InboundBodyLocation=UseBodyPath&ProxyAddress=&MaxReceivedMessageSize=65536&ClientCertificate=&AlgorithmSuite=Basic256&ProxyUserName=&OutboundXmlTemplate=<web:loadData soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" xmlns:web="http://www.mycompany.com/webservices" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><input xsi:type="xsd:string"><bts-msg-body xmlns="http://www.microsoft.com/schemas/bts2007" encoding="string"/></input></web:loadData>&TextEncoding=utf-8&PropagateFaultMessage=True&SecurityMode=None&ProxyToUse=Default&TransportClientCredentialType=None&OpenTimeout=00:01:00&UseAcsAuthentication=False&MessageClientCredentialType=UserName&UseSSO=False&CloseTimeout=00:01:00&SendTimeout=00:01:00</string>
</constant>
</argument>
</classmember>
</function>
<function>
<vocabularylink uri="95dced57-5e9b-4dbe-9cd8-4b166853dd8a" element="54624479-caea-4228-86b9-fbe188a8c64d" />
<classmember member="set_TargetNamespace" sideeffects="true">
<classref ref="Resolution" />
<argument>
<constant>
<string>http://www.mycompany.com/webservices</string>
</constant>
</argument>
</classmember>
</function>
</then>

Call web service using Java code

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