Help needed on web services assignement

Hello everyone!
I am a student and i have to build a web service in one of our courses, using java, xml, jaxp, soap...
I have taken an export of a library's database in XML format. The question is how to build a web service on this material in a way that as an application could be considered as a web service.
Sorry for my questions that may seem silly, but after studding for over a month now, i steel cannot recognize easily a web service and a service over the web.
Any suggestion would be highly appreciated.
Thanks for your time,
A.T.

Hey,
To develope webservice by using you have so many options.i.e In java so many SOAP engines are available like AXIS,XFIRE,CXF,by using weblogic api,by using websphere api.In intial stage just start with AXIS framework.To develope webservice follow the below steps .
Step1:Download AXIS framework the following URL
http://ws.apache.org/axis/
Step2:Write a java class and configure about the service in serverconfig.wsdd file and write one more wsdd for deploy.
Step3:Deploy that service in AXIS by running the following command
java org.apache.axis.client.AdminClient urdeploy.wsdd
Thanks&Regards,
M.Kumaraswamy.

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Help needed in web service example. Thank!!!

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Can any expert offers some explanation or advice? Need to
show my boss the cool thing. Any help is highly appreciated.
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David
The server-side message is:
Servlet failed with Exception
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at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
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at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestIm
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>
The client-side message:
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at weblogic.soap.WebServiceProxy.receive(WebServiceProxy.java:477)
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at weblogic.soap.SoapMethod.invoke(SoapMethod.java:186)
at ConsumerClient.main(ConsumerClient.java:52)

Hi,
I tested WebLogic 6.1 message-style web service example. For the
ProducerClient.java example, I tested successfully. But for
the ConsumerClient.java example, I kept getting error messages.
Can any expert offers some explanation or advice? Need to
show my boss the cool thing. Any help is highly appreciated.
Thanks.
David
The server-side message is:
Servlet failed with Exception
java.lang.NullPointerException
at weblogic.soap.server.servlet.QueueReceiveAdapter.doPost(QueueReceiveA
dapter.java:124)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:263)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubIm
pl.java:200)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppSe
rvletContext.java:2390)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestIm
pl.java:1959)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:137)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
>
The client-side message:
Server returned HTTP response code: 500 for URL: http://localhost:70
01/msg/receiveMsg
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLCon
nection.java:674)
at sun.net.www.protocol.http.HttpURLConnection.getHeaderFieldKey(HttpURL
Connection.java:1163)
at weblogic.soap.WebServiceProxy.getSessionCookie(WebServiceProxy.java:5
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at weblogic.soap.WebServiceProxy.receive(WebServiceProxy.java:477)
at weblogic.soap.WebServiceProxy.invoke(WebServiceProxy.java:431)
at weblogic.soap.SoapMethod.invoke(SoapMethod.java:186)
at ConsumerClient.main(ConsumerClient.java:52)

Help needed creating Web Service Proxy with SSL

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It seems awfully complex though. Couldn't one just
listen to incoming requests on a socket and use some
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Help needed on : Web-Services Error!

Hello,
I included all the web service modules to assemble my applications ear.
I verified the web.xml entries in my application web-inf folder.
I started the application on JBOSS server.
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 <soapenv:Body>
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 </web:getOrderStatus>
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</soapenv:Envelope>I get this response:
 JBoss Web/2.1.3.GA - Error report
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 <HR size="1" noshade="noshade">
 type Status report
 message
 /commerce/order/getOrderStatus/getOrderStatus
 description The requested resource
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 available.*
 JBoss Web/2.1.3.GA Please let mek now where i am going wrong?
Also i am not able to view ant webservice in the webservice registry.

Already had checked that the .war of the webservice is there in the final deployed .ear of my application.
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Help needed regarding web service

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Hi,
What is the version of the weblogic server and service pack you are using ?
Regards
Anilkumar kari

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Edited by: [email protected] on Jun 24, 2010 7:49 PM

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Hi,
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<property name="basicHeaders">credentials</property>
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ChandraMouli
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i saw that it is giving this below error but not sure why ??
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at org.apache.axis2.description.OutInAxisOperationCli ent.handleResponse(OutInAxisOperation.java:343)
at org.apache.axis2.description.OutInAxisOperationCli ent.send(OutInAxisOperation.java:389)
at org.apache.axis2.description.OutInAxisOperationCli ent.executeImpl(OutInAxisOperation.java:211)
at org.apache.axis2.client.OperationClient.execute(Op erationClient.java:163)
at webservice.EmployeeServiceStub.registerEmployee(Em ployeeServiceStub.java:488)
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Ok to Start off I havent used java for a while now, but was asked to create a small program that can enter and pull items from a database and send them to a web service. Trouble is I am not familiar with this type of operation. I cant seem to find a good tutorial out there that has helped me so here I go. My WSDL is http://wservicecrt.cerner.com/SRWeb/...SR_INVOKE.wsdl and I will need to take information gathered by the database portion of my program and send it to this web service. There is a class called ProSr that will contain all of the information I need to send to the service.
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System.out.println("create");
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 desktopapplication1.SR serviceRequest = new desktopapplication1.SR();
 javax.xml.ws.Holder<java.lang.String> serviceRequestNumber = new javax.xml.ws.Holder<java.lang.String>();
 javax.xml.ws.Holder<java.lang.String> serviceRequestId = new javax.xml.ws.Holder<java.lang.String>();
 javax.xml.ws.Holder<java.lang.String> serviceRequestIntegrationId = new javax.xml.ws.Holder<java.lang.String>();
 serviceRequest.setSummary("Testing SR Creation");
 serviceRequest.setStatus("Open");
 serviceRequest.setClientMnemonic("UNIV_MO");
 serviceRequest.setSeverity("3: Moderate Impact");
 serviceRequest.setContactLoginId("SW019489");
 serviceRequest.setSource("Proactive Intervention");
 serviceRequest.setSubstatus("Unassigned");
 serviceRequest.setOwner("SW019489");
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 serviceRequestId.value = "";
 serviceRequestIntegrationId.value = "";
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 port.upsert(serviceRequest, serviceRequestNumber, serviceRequestId, serviceRequestIntegrationId);
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 // TODO handle custom exceptions here
 }code}

Here is the error code i'm receiving
com.sun.xml.internal.ws.client.ClientTransportException: HTTP transport error: java.net.ConnectException: Connection refused: connect
 at com.sun.xml.internal.ws.transport.http.client.HttpClientTransport.getOutput(HttpClientTransport.java:121)
 at com.sun.xml.internal.ws.transport.http.client.HttpTransportPipe.process(HttpTransportPipe.java:142)
 at com.sun.xml.internal.ws.transport.http.client.HttpTransportPipe.processRequest(HttpTransportPipe.java:83)
 at com.sun.xml.internal.ws.transport.DeferredTransportPipe.processRequest(DeferredTransportPipe.java:105)
 at com.sun.xml.internal.ws.api.pipe.Fiber.__doRun(Fiber.java:587)
 at com.sun.xml.internal.ws.api.pipe.Fiber._doRun(Fiber.java:546)
 at com.sun.xml.internal.ws.api.pipe.Fiber.doRun(Fiber.java:531)
 at com.sun.xml.internal.ws.api.pipe.Fiber.runSync(Fiber.java:428)
 at com.sun.xml.internal.ws.client.Stub.process(Stub.java:211)
 at com.sun.xml.internal.ws.client.sei.SEIStub.doProcess(SEIStub.java:124)
 at com.sun.xml.internal.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:98)
 at com.sun.xml.internal.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:78)
 at com.sun.xml.internal.ws.client.sei.SEIStub.invoke(SEIStub.java:107)
 at $Proxy32.upsert(Unknown Source)
 at desktopapplication1.DesktopApplication1View.Create(DesktopApplication1View.java:772)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:597)
 at org.jdesktop.application.ApplicationAction.noProxyActionPerformed(ApplicationAction.java:662)
 at org.jdesktop.application.ApplicationAction.actionPerformed(ApplicationAction.java:698)
 at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
 at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
 at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
 at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
 at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
 at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
 at java.awt.Component.processMouseEvent(Component.java:6263)
 at javax.swing.JComponent.processMouseEvent(JComponent.java:3255)
 at java.awt.Component.processEvent(Component.java:6028)
 at java.awt.Container.processEvent(Container.java:2041)
 at java.awt.Component.dispatchEventImpl(Component.java:4630)
 at java.awt.Container.dispatchEventImpl(Container.java:2099)
 at java.awt.Component.dispatchEvent(Component.java:4460)
 at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
 at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
 at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
 at java.awt.Container.dispatchEventImpl(Container.java:2085)
 at java.awt.Window.dispatchEventImpl(Window.java:2475)
 at java.awt.Component.dispatchEvent(Component.java:4460)
 at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
 at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
 at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
 at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
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 at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
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 at java.net.PlainSocketImpl.socketConnect(Native Method)
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 at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
 at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
 at java.net.Socket.connect(Socket.java:525)
 at java.net.Socket.connect(Socket.java:475)
 at sun.net.NetworkClient.doConnect(NetworkClient.java:163)
 at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
 at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
 at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
 at sun.net.www.http.HttpClient.New(HttpClient.java:306)
 at sun.net.www.http.HttpClient.New(HttpClient.java:323)
 at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:860)
 at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:839)
 at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:726)
 at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:904)
 at com.sun.xml.internal.ws.transport.http.client.HttpClientTransport.getOutput(HttpClientTransport.java:109)
 ... 46 moreand here is my WSDL file
<?xml version="1.0" encoding="UTF-8" ?>
- <wsdl:definitions name="INVOKE_INVOKEHttp_Service" targetNamespace="http://SR_LIB/INVOKE/Binding" xmlns:Port_0="http://SR_LIB/INVOKE" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:this="http://SR_LIB/INVOKE/Binding" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/">
<wsdl:import location="INVOKE.wsdl" namespace="http://SR_LIB/INVOKE" />
- <wsdl:binding name="INVOKE_INVOKEHttpBinding" type="Port_0:INVOKE">
<soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http" />
- <wsdl:operation name="UPSERT">
<soap:operation soapAction="" />
- <wsdl:input name="UPSERTRequest">
<soap:body use="literal" />
</wsdl:input>
- <wsdl:output name="UPSERTResponse">
<soap:body use="literal" />
</wsdl:output>
- <wsdl:fault name="Fault">
<soap:fault name="Fault" use="literal" />
</wsdl:fault>
</wsdl:operation>
- <wsdl:operation name="Query">
<soap:operation soapAction="" />
- <wsdl:input name="QueryRequest">
<soap:body use="literal" />
</wsdl:input>
- <wsdl:output name="QueryResponse">
<soap:body use="literal" />
</wsdl:output>
- <wsdl:fault name="Fault">
<soap:fault name="Fault" use="literal" />
</wsdl:fault>
</wsdl:operation>
</wsdl:binding>
- <wsdl:service name="INVOKE_INVOKEHttpService">
- <wsdl:port binding="this:INVOKE_INVOKEHttpBinding" name="INVOKE_INVOKEHttpPort">
<soap:address location="http://wservicecrt.cerner.com:9080/SRWeb/sca/INVOKE" />
</wsdl:port>
</wsdl:service>
</wsdl:definitions>Can anyone help me out or give me some advice?

System processes needed for web service call

Hi experts,
one theoretical question: how about the system processes needed for a web service call? If have created a test service that does nothing except to wait for 10 seconds. When I call it from outside, no extra process is busy (as seen in trx SM50). Is it possible that one web service call (from outside -> SAP machine) does not need a DIA or BTC process on SAP machine?
Thanks in advance for your help!
Kind regards, Matthias

Hi,
Of course a web service needs a dialog workprocess to run.
But if you used the "wait" abap instruction, it may be that this instruction frees the work process ?
Regards,
Olivier

Need JDeveloper Web Service with HTTP POST method

Hello all,
I am creating a Web Service from a java class using JDeveloper. The wsdl created uses a SOAP binding. When I test the web service, either through JDeveloper or by deploying to OAS, the HTTP request created uses the HTTP GET protocol. I am assuming that this would be the same for anybody doing this.
I need to know how to change it to be an HTTP POST protocol instead.
The reason that I need to try and use the POST method is that the xml needed by the service holds a lot of data and the http server is giving me a "URI too long" error. I have read and been told that using POST instead of GET would help this, but I can't figure out what to change to make this happen. I am not sure if I have to make a change in the generated wsdl or somewhere else. Or if it just won't work that way.
Any help you can provide would be appreciated.
Thanks,
rob

Hi Ayush,
Please refer -
http://biemond.blogspot.com/2010/08/http-basic-authentication-with-soa.html
Regards,
Anuj

Help calling a web service from pl/sql

Hi, i have a web service that is called from a php, i needed to do this but from pl sql:
this is the call of web service from php:
<?PHP
//Variables de prueba - Se tienen que tomar los valores de la base de datos, de la compra y el usuario
$p_id_emec=urlencode("33355555"); //Identificador del sitio dentro de Pago Fácil
$p_id_operacion=urlencode("151"); //Identificador unívoco de la compra en el sitio
$p_id_mone_ecom=urlencode("01"); //Identificador de moneda - '01'=pesos - '02=dolares
//Inicializa Variables de URL
$serviceName="Pago XX";
$protocol="http://";
// DESARROLLO
$ipUrl="desa.e-pagoxx.com";
$port=80;
//Llamada
$call="/2130/index.php";
//Abro la conexion al port
$URLsola = $protocol.$ipUrl;
//Concatenacion del string
$txtURL = $protocol.$ipUrl.$call;
$txtURL .="?p_id_emec=".$p_id_emec;
$txtURL .="&p_id_operacion=".$p_id_operacion;
$txtURL .="&p_id_mone_ecom=".$p_id_mone_ecom;
$txtURL = $txtURL;
//* Se comunica con el servidor, pasa los datos y recibe el HTML con el comprobante *//
$fp = fsockopen($ipUrl, $port, &$errno, &$errstr, 30);
if(!$fp)
echo "No me puedo comunicar con $serviceName";
exit;
else
$file=@fopen($URLsola,"r");
$pageData=file($txtURL);
for($i=0;$i<count($pageData);$i++)
 $sText.=$pageData[$i];
@fclose($file);
@fclose($fp);
echo($sText);
?>
I need to call this webservice from pl sql
any ideas?
thanks!!

Madhu BR wrote:
You might want to try the webservice call using utl_http specified here : http://orclpps.blogspot.com/2007/12/invoking-webservices-from-oracle-9i-or.html
Or even to expand on that to deal with responses larger than 32K...
-- skeleton code
PROCEDURE p_soap_request(p_username IN VARCHAR2, p_password IN VARCHAR2, p_proxy IN VARCHAR2) IS
 soap_request VARCHAR2(30000);
 soap_respond CLOB;
 http_req utl_http.req;
 http_resp utl_http.resp;
 resp XMLType;
 soap_err exception;
 v_code VARCHAR2(200);
 v_msg VARCHAR2(1800);
 v_len number;
 v_txt Varchar2(32767);
BEGIN
 IF p_proxy IS NOT NULL THEN
 UTL_HTTP.SET_PROXY(p_proxy);
 END IF;
 -- Define the SOAP request according the the definition of the web service being called
 soap_request:= '<?xml version = "1.0" encoding = "UTF-8"?>'||
 '<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">'||
 ' <SOAP-ENV:Body>'||
 ' <m:DownloadRequest xmlns:m="http://www.website.net/messages/GetDetails">'||
 ' <m:UserName>'||p_username||'</m:UserName>'||
 ' <m:Password>'||p_password||'</m:Password>'||
 ' </m:DownloadRequest>'||
 ' </SOAP-ENV:Body>'||
 '</SOAP-ENV:Envelope>';
 http_req:= utl_http.begin_request
 ( 'http://www.website.net/webservices/GetDetailsService.asmx'
 , '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, 'Download', ''); -- header requirements of particular web service
 utl_http.write_text(http_req, soap_request);
 http_resp:= utl_http.get_response(http_req);
 utl_http.get_header_by_name(http_resp, 'Content-Length', v_len, 1); -- Obtain the length of the response
 FOR i in 1..CEIL(v_len/32767) -- obtain response in 32K blocks just in case it is greater than 32K
 LOOP
 utl_http.read_text(http_resp, v_txt, case when i < CEIL(v_len/32767) then 32767 else mod(v_len,32767) end);
 soap_respond := soap_respond || v_txt; -- build up CLOB
 END LOOP;
 utl_http.end_response(http_resp);
 resp:= XMLType.createXML(soap_respond); -- Convert CLOB to XMLTYPE
END;

Help needed on web services assignement

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