Problem invoking RPC web service (Unbalanced ELEMENT)

Hi folks!
I am trying to create an RPC web service for an existing (and working) EJB using
WebLogic 6.1 SP2, but I keep getting the following error message each time I invoke
any of the available methods from the stateless session bean using a (static)
test client:
Exception in thread "main" java.lang.reflect.UndeclaredThrowableException: Error
at Line:12, token:[SPACE]     (
)Unbalanced ELEMENT got:head expected:meta
     at weblogic.xml.babel.baseparser.SAXElementFactory.createSAXParseException(SAXElementFactory.java:67)
     at weblogic.xml.babel.parsers.StreamParser.streamParseSome(StreamParser.java:136)
     at weblogic.xml.babel.parsers.BabelXMLEventStream.parseSome(BabelXMLEventStream.java:46)
     at weblogicx.xml.stream.XMLEventStreamBase.hasNext(XMLEventStreamBase.java:135)
     at weblogicx.xml.stream.XMLEventStreamBase.hasStartElement(XMLEventStreamBase.java:241)
     at weblogicx.xml.stream.XMLEventStreamBase.hasStartElement(XMLEventStreamBase.java:171)
     at weblogicx.xml.stream.XMLEventStreamBase.startElement(XMLEventStreamBase.java:164)
     at weblogic.soap.codec.SoapMessage.read(SoapMessage.java:86)
     at weblogic.soap.WebServiceProxy.receive(WebServiceProxy.java:480)
     at weblogic.soap.WebServiceProxy.invoke(WebServiceProxy.java:431)
     at weblogic.soap.SoapMethod.invoke(SoapMethod.java:186)
     at weblogic.soap.wsdl.WebServiceInvocationHandler.invoke(WebServiceInvocationHandler.java:27)
     at $Proxy0.testmethod(Unknown Source)
     at Client.main(Client.java:58)
Does anybody have an idea what might be causing this problem? A search in the
newsgroup archive suggests that this problem might be related to the WSDL interface
file, although it is not clear to me how I can change that .wsdl file directly
as I am using the wsdl.jsp file created using the Remote2WSDL function. Any help
would be greatly appreciated!
regards,
Ekim

Sorry, have no solution for you, but I can agree we with your observations, that only document literal style services work in a predictable fashion. (In 10.1.3.1.0)
Message was edited by:
taylor_tails

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Problems invoking literal Web Services

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Problem invoking a web service

Hopefully this is an easy one for you gurus...
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Message was edited by:
snoCarver
Message was edited by:
snoCarver

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Problem invoking EJB web service from Java

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<runtimeFault xmlns="http://schemas.oracle.com/bpel/extension">
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Thanks.

Hi,
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Problem when invoking a web service multiple times

Hello,
I have a java client which invokes an apache axis web service (deployed on an Oracle Application Server on a remote machine) multiple times.
The client distributes the web service invokes among multiple threads, every thing goes well but after an average of 300 web service invokes (among all threads) ab exception is thrown from the client:
java.net.SocketException: Unable to establish connection
at org.apache.axis.AxisFault.makeFault(AxisFault.java:101)
at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:154)
at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)
at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:11
at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)
at org.apache.axis.client.AxisClient.invoke(AxisClient.java:165)
at org.apache.axis.client.Call.invokeEngine(Call.java:2784)
at org.apache.axis.client.Call.invoke(Call.java:2767)
at org.apache.axis.client.Call.invoke(Call.java:2443)
at org.apache.axis.client.Call.invoke(Call.java:2366)
at org.apache.axis.client.Call.invoke(Call.java:1812)
at standardwebservice.StandardWebserviceSoapBindingStub.getStandardWebserviceData(StandardWebserviceSoapBindingStub.java:225)
at standardwebservice.StandardWebserviceProxy.getStandardWebserviceData(StandardWebserviceProxy.java:50)
at main.VericalThread.run(VericalThread.java:65)
Caused by: java.net.SocketException: Unable to establish connection
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 sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.axis.components.net.DefaultSocketFactory.create(DefaultSocketFactory.java:153)
at org.apache.axis.components.net.DefaultSocketFactory.create(DefaultSocketFactory.java:120)
at org.apache.axis.transport.http.HTTPSender.getSocket(HTTPSender.java:191)
at org.apache.axis.transport.http.HTTPSender.writeToSocket(HTTPSender.java:404)
at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:13
... 12 more
Thread No. 1 Start for calling 1210ZD106MAT2AAxisFault
faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server.userException
faultSubcode:
faultString: java.net.SocketException: Unable to establish connection
faultActor:
faultNode:
faultDetail:
{http://xml.apache.org/axis/}stackTrace:java.net.SocketException: Unable to establish connection
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 sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.axis.components.net.DefaultSocketFactory.create(DefaultSocketFactory.java:153)
at org.apache.axis.components.net.DefaultSocketFactory.create(DefaultSocketFactory.java:120)
at org.apache.axis.transport.http.HTTPSender.getSocket(HTTPSender.java:191)
at org.apache.axis.transport.http.HTTPSender.writeToSocket(HTTPSender.java:404)
at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:13
at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)
at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:11
at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)
at org.apache.axis.client.AxisClient.invoke(AxisClient.java:165)
at org.apache.axis.client.Call.invokeEngine(Call.java:2784)
at org.apache.axis.client.Call.invoke(Call.java:2767)
at org.apache.axis.client.Call.invoke(Call.java:2443)
at org.apache.axis.client.Call.invoke(Call.java:2366)
at org.apache.axis.client.Call.invoke(Call.java:1812)
at standardwebservice.StandardWebserviceSoapBindingStub.getStandardWebserviceData(StandardWebserviceSoapBindingStub.java:225)
at standardwebservice.StandardWebserviceProxy.getStandardWebserviceData(StandardWebserviceProxy.java:50)
at main.VericalThread.run(VericalThread.java:65)
By the way, when I deploy the same web service on an oracle application server on a local machine (in same physical network), every thing goes well and this exception doesn't appear.
By the way, I also tried a JAX-RPC web service and the same exception is thrown.
So please can somebody give me a help.

Hello,
I have a java client which invokes an apache axis web service (deployed on an Oracle Application Server on a remote machine) multiple times.
The client distributes the web service invokes among multiple threads, every thing goes well but after an average of 300 web service invokes (among all threads) ab exception is thrown from the client:
java.net.SocketException: Unable to establish connection
at org.apache.axis.AxisFault.makeFault(AxisFault.java:101)
at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:154)
at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)
at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:11
at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)
at org.apache.axis.client.AxisClient.invoke(AxisClient.java:165)
at org.apache.axis.client.Call.invokeEngine(Call.java:2784)
at org.apache.axis.client.Call.invoke(Call.java:2767)
at org.apache.axis.client.Call.invoke(Call.java:2443)
at org.apache.axis.client.Call.invoke(Call.java:2366)
at org.apache.axis.client.Call.invoke(Call.java:1812)
at standardwebservice.StandardWebserviceSoapBindingStub.getStandardWebserviceData(StandardWebserviceSoapBindingStub.java:225)
at standardwebservice.StandardWebserviceProxy.getStandardWebserviceData(StandardWebserviceProxy.java:50)
at main.VericalThread.run(VericalThread.java:65)
Caused by: java.net.SocketException: Unable to establish connection
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 sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.axis.components.net.DefaultSocketFactory.create(DefaultSocketFactory.java:153)
at org.apache.axis.components.net.DefaultSocketFactory.create(DefaultSocketFactory.java:120)
at org.apache.axis.transport.http.HTTPSender.getSocket(HTTPSender.java:191)
at org.apache.axis.transport.http.HTTPSender.writeToSocket(HTTPSender.java:404)
at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:13
... 12 more
Thread No. 1 Start for calling 1210ZD106MAT2AAxisFault
faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server.userException
faultSubcode:
faultString: java.net.SocketException: Unable to establish connection
faultActor:
faultNode:
faultDetail:
{http://xml.apache.org/axis/}stackTrace:java.net.SocketException: Unable to establish connection
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 sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.axis.components.net.DefaultSocketFactory.create(DefaultSocketFactory.java:153)
at org.apache.axis.components.net.DefaultSocketFactory.create(DefaultSocketFactory.java:120)
at org.apache.axis.transport.http.HTTPSender.getSocket(HTTPSender.java:191)
at org.apache.axis.transport.http.HTTPSender.writeToSocket(HTTPSender.java:404)
at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:13
at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)
at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:11
at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)
at org.apache.axis.client.AxisClient.invoke(AxisClient.java:165)
at org.apache.axis.client.Call.invokeEngine(Call.java:2784)
at org.apache.axis.client.Call.invoke(Call.java:2767)
at org.apache.axis.client.Call.invoke(Call.java:2443)
at org.apache.axis.client.Call.invoke(Call.java:2366)
at org.apache.axis.client.Call.invoke(Call.java:1812)
at standardwebservice.StandardWebserviceSoapBindingStub.getStandardWebserviceData(StandardWebserviceSoapBindingStub.java:225)
at standardwebservice.StandardWebserviceProxy.getStandardWebserviceData(StandardWebserviceProxy.java:50)
at main.VericalThread.run(VericalThread.java:65)
By the way, when I deploy the same web service on an oracle application server on a local machine (in same physical network), every thing goes well and this exception doesn't appear.
By the way, I also tried a JAX-RPC web service and the same exception is thrown.
So please can somebody give me a help.

Build soap client to invoke jax-rpc web services

Hi,
I would like realize a simple soap java client to invoke a web services starting from wdsl file configuration of my web services.
Thanks,
Enrico.

Hi,
You can use jax-rpc to invoke the web services by creating stubs classes in your client side using wsdl. If you have ant ,then use wscompile command (in ant) or through dos command passing this wsdl file as parameter to create stubs classes automatically.And then set your classpaths accordingly when calling the web services from your client.
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Problem trying to invoke my web service

Hi there,
We have just been creating a very simple test web service here, basically to return the square root of the number passed to it.
I have created this as a PL/SQL web service using JDEVELOPER 9.0.3. Using JDEVELOPER entirely I have successfully created and depoloyed the service, generated the stub and called it without any problems.
I would now like to test calling the web service outside of Jdeveloper. So using internet explorer I generated the client stub using <url>?proxy_jar, which downloaded a .class file.
I have tried to write a small java program to use this class to call my web service. and am getting the following errors
C:\java>java -classpath c:\java class1 81
Exception in thread main
java.lang.NoClassDefFoundError: cddev.proxy.class1
java.lang.Class java.lang.ClassLoader.defineClass0(java.lang.String, byte[], int, int, java.
security.ProtectionDomain)
java.lang.Class java.lang.ClassLoader.defineClass(java.lang.String, byte[], int, int, java.s
ecurity.ProtectionDomain)
java.lang.Class java.security.SecureClassLoader.defineClass(java.lang.String, byte[], int, i
nt, java.security.CodeSource)
java.lang.Class java.net.URLClassLoader.defineClass(java.lang.String, sun.misc.Resource)
java.lang.Class java.net.URLClassLoader.access$100(java.net.URLClassLoader, java.lang.String
, sun.misc.Resource)
java.lang.Object java.net.URLClassLoader$1.run()
java.lang.Object java.security.AccessController.doPrivileged(java.security.PrivilegedExcepti
onAction, java.security.AccessControlContext)
java.lang.Class java.net.URLClassLoader.findClass(java.lang.String)
java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String, boolean)
java.lang.Class sun.misc.Launcher$AppClassLoader.loadClass(java.lang.String, boolean)
java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String)
java.lang.Class java.lang.ClassLoader.loadClassInternal(java.lang.String)
This is the java program I am trying to run to invoke the web service.
package cddev.proxy;
import java.math.BigDecimal;
public class class1 {
public static void main(String[] args)
try
Square_rootProxy proxy = new Square_rootProxy();
System.out.println(proxy.get_square_root(new BigDecimal(args[0])));
catch(Exception ex)
System.out.println(ex);
We are very new to Java here, so it may well be problem there.
Any help would really be appreciated.
Gary

because you have defined package in your class:
you should have your compiled class file in c:\java\cddev\proxy
then invoke java -cp c:\java xxxx.class

Problem constructing a web service request wich does not include namespace

Hi!
I'm evaluating Flex 3 for a web development.
I'm having problems with a web service invocation.
This is the soap request made with Soap UI:
<soapenv:Envelope xmlns:soapenv="
http://schemas.xmlsoap.org/soap/envelope/"
xmlns:open="
http://www.openuri.org/">
<soapenv:Header/>
<soapenv:Body>
<open:querySoftware>
<open:imei></open:imei>
<open:groupId></open:groupId>
</open:querySoftware>
</soapenv:Body>
</soapenv:Envelope
<mx:WebService id="giService" wsdl="
http://..." result="onResult(event)">
<mx:operation name="querySoftware">
<imei>1<imei>
</mx:request>
</mx:operation>
</mx:WebService>
When invoking operation I get this error:
[RPC Fault faultString="HTTP request error"
faultCode="Server.Error.Request" faultDetail="Error: [IOErrorEvent
type="ioError" bubbles=false cancelable=false eventPhase=2
text="Error #2032: Error de secuencia. URL: ]
at mx.rpc::AbstractInvoker/
http://www.adobe.com/2006/flex/mx/internal::faultHandler()[E:\dev\3.0.x\frameworks\project s\rpc\src\mx\rpc\AbstractInvoker.as:216
at
mx.rpc::Responder/fault()[E:\dev\3.0.x\frameworks\projects\rpc\src\mx\rpc\Responder.as:49 ]
at
mx.rpc::AsyncRequest/fault()[E:\dev\3.0.x\frameworks\projects\rpc\src\mx\rpc\AsyncRequest .as:103]
at
DirectHTTPMessageResponder/errorHandler()[E:\dev\3.0.x\frameworks\projects\rpc\src\mx\mes saging\channels\DirectHTTPChannel.as:343]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at flash.net::URLLoader/redirectEvent()
I see that Flex is making the request like the following
wichi is not correct according to Soap UI request:
<querySoftware>
<imei></imei>
<groupId></groupId>
<querySoftware>
How could I construct the request to include the open:
namespace?
Thanks a lot.

I actually worked through this problem yesterday. This thread
should help you:
http://www.adobe.com/cfusion/webforums/forum/messageview.cfm?forumid=60&catid=585&threadid =1377262&enterthread=y

Invoking a web service

Hello All,
I am trying to invoke a web service hosted on webMethods (our R/3 being an older version, can't expose function modules as web services). I am able to generate Java proxies from the wsdl provided by webMethods. But, I found by studying the generated Java proxies/stubs that its required to send both input (import) and output (export) parameters to invoke the function module.
To give you an example, lets say, my function module takes 3 input parameters and returns 120 output parameters. So, to invoke this function, I thought I just need 3 parameters to be supplied to make a call like invokeXYZ(param1, param2, param3). But, when I looked at the generated code, I saw that I need to supply a total of 3 + 120 parameters to invoke the web service. 120 of them are empty objects of type output parameter.
I think either SAP isn't generating the proxy classes correctly (You don't want to supply 120 arguments to make a call) or I am doing something wrong.
Any suggestions/comments appreciated.
Thanks,
Kiran

Valery,
Here's the wsdl. I removed most of the out parameters for brevity.
<?xml version="1.0" encoding="UTF-8"?>
     <wsdl:definitions name="Neal_test_package_Handlers" targetNamespace="http://hpgena2d/"
               xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
               xmlns:xsd="http://www.w3.org/2001/XMLSchema"
               xmlns:http="http://schemas.xmlsoap.org/wsdl/http/"
               xmlns:tns="http://hpgena2d/"
               xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/"
               xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/">
     <wsdl:types>
        <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" targetNamespace="http://localhost/Neal_test_package/Handlers/invokeZ_CCS_CUST_INFO" xmlns:tns="http://localhost/Neal_test_package/Handlers/invokeZ_CCS_CUST_INFO">
          <xsd:complexType name="__in">
            <xsd:sequence>
              <xsd:element name="wmAlias" nillable="true" type="xsd:string"/>
              <xsd:element name="SEL_CONTRACT_ACCOUNT" nillable="true" type="xsd:string" minOccurs="0"/>
              <xsd:element name="SEL_LEGACY_ACCOUNT" nillable="true" type="xsd:string" minOccurs="0"/>
            </xsd:sequence>
          </xsd:complexType>
          <xsd:complexType name="__out">
            <xsd:sequence>
              <xsd:element name="ACCOUNT_BALANCE" nillable="true" type="xsd:string"/>
              <xsd:element name="ACCOUNT_NAME" nillable="true" type="xsd:string"/>
              <xsd:element name="ACCOUNT_STATUS" nillable="true" type="xsd:string"/>
              <xsd:element name="ACCOUNT_STATUS_DESC" nillable="true" type="xsd:string"/>
              <xsd:element name="APP_CYCLING" nillable="true" type="xsd:string"/>
            </xsd:sequence>
          </xsd:complexType>
        </xsd:schema>
     </wsdl:types>
     <wsdl:message name="invokeZ_CCS_CUST_INFOInput">
          <wsdl:part name="wmAlias" type="xsd:string"/>
          <wsdl:part name="SEL_CONTRACT_ACCOUNT" type="xsd:string"/>
          <wsdl:part name="SEL_LEGACY_ACCOUNT" type="xsd:string"/>
     </wsdl:message>
     <wsdl:message name="invokeZ_CCS_CUST_INFOOutput">
          <wsdl:part name="ACCOUNT_BALANCE" type="xsd:string"/>
          <wsdl:part name="ACCOUNT_NAME" type="xsd:string"/>
          <wsdl:part name="ACCOUNT_STATUS" type="xsd:string"/>
          <wsdl:part name="ACCOUNT_STATUS_DESC" type="xsd:string"/>
     </wsdl:message>
     <wsdl:portType name="Neal_test_package_HandlersPortType">
          <wsdl:operation name="invokeZ_CCS_CUST_INFO">
               <wsdl:input message="tns:invokeZ_CCS_CUST_INFOInput"/>
               <wsdl:output message="tns:invokeZ_CCS_CUST_INFOOutput"/>
          </wsdl:operation>
     </wsdl:portType>
     <wsdl:binding name="Neal_test_package_HandlersBinding" type="tns:Neal_test_package_HandlersPortType">
          <soap:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http"/>
          <wsdl:operation name="invokeZ_CCS_CUST_INFO">
               <soap:operation soapAction=""/>
               <wsdl:input>
                    <soap:body encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="http://hpgena2d/Neal_test_package.Handlers" use="encoded"/>
               </wsdl:input>
               <wsdl:output>
                    <soap:body encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" namespace="http://hpgena2d/Neal_test_package.Handlers" use="encoded"/>
               </wsdl:output>
          </wsdl:operation>
     </wsdl:binding>
     <wsdl:service name="Neal_test_package_HandlersService">
          <wsdl:port name="Neal_test_package_HandlersPort0" binding="tns:Neal_test_package_HandlersBinding">
               <soap:address location="https://hpgena2d:5555/soap/FEWSController"/>
          </wsdl:port>
     </wsdl:service>
     </wsdl:definitions>
Thanks for your time,
Kiran

Invoking a Web Service from a mobile application

Hi all,
I have installed Sun Wireless Toolkit 2.5.2 for CDLC and MTJ.
I want to invoke a web service from an MTJ Application and I have not a clue of how to start.
First let me say I am working with RSA (which is over Eclipse)
My first attempt was creating the web service client and then try to convert it into a mobile application (through the use of MTJ --> Convert to Midlet Project)
I found 4 errors when doing so:
First was solved changing the jre to 1.6.
I am still dealing with the following three:
* Error preverifying class mipaquete.MiServicioService
java/lang/NoClassDefFoundError: javax/xml/ws/Service
* Error preverifying class mipaquete.ObjectFactory
VERIFIER ERROR mipaquete/ObjectFactory.createMiOperacion(Lmipaquete/MiOperacion;)Ljavax/xml/bind/JAXBElement;:
Illegal type in constant pool
* Type mipaquete.MiServicioPortProxy$Descriptor Error preverifying class mipaquete.MiServicioPortProxy$Descriptor
VERIFIER ERROR mipaquete/MiServicioPortProxy$Descriptor.getDispatch()Ljavax/xml/ws/Dispatch;:
Illegal type in constant pool
I only started to solve the first one. I assumed that I have to add the right .jar to manifest file (please let me know if I am wrong). I tried to do by adding the textual classpath rt.jar, however I am not able to give it the right path:
C:\Archivos de programa\IBM\SDP\runtimes\base_v7_stub\java\jre\lib\rt.jar (even though I split the too long sentence into two and I include an space at the beginning of the second, I still get an error when saving)
I would appreciate any help
A) to solve the existing problems
or
B) To create a web service client in an EclipseME application through any other method.
Thank-you very much in advance,
Guadalupe
PS Any clue is welcomed!!

Hello rss,
If you want to invoke a web service from a JCD you will have to build the SOAP message using JAX-RPC or AXIS and then programmatically creat an HTTP connection.
Or you can leverage the HTTP(S) eWay and then you only have to build the SOAP message.
Or use eInsight. You can import a WSDL into eInsight and eInsight will offer you a business process Activity to invoke the web service operations defined in the WSDL.

How to invoke a web service asynchronously using ws-addressing model?

Hi Gurus,
We are invoking an external web service asynchronously using Oracle Work Flow Business events using the following mechanism -
1)Created a web service invoker event to invoke the web service.
2)Created a subscription that invokes the web service (provided the wsdl address, operation info).
3)Defined a subscription parameter WFBES_CALLBACK_EVENT with value pointing to a recieve event.
4)Created a receive event(parameter value for WFBES_CALLBACK_EVENT) and a subscription that directs the response to a custom PL/SQL function to process response.
so far so good. We were able to invoke the web service and get and process the response.
Problem: The external web service can take upto 10 hrs to process the request. A time out of 2 hrs is set on the server hosting the external web service. So when the external web service takes more than 2 hrs to process the request and it times out and we get the following error on EBS side -
'l_error_message:oracle.apps.fnd.wf.bes.InvokerException: HTTP transport error: javax.xml.soap.SOAPException: java.security.PrivilegedActionException: oracle.j2ee.ws.saaj.ContentTypeException: Not a valid SOAP Content-Type: text/html; charset=iso-8859-1'
Now the external web service providers are suggesting that we are not calling their web service asynchronously and we should use ws-addressing model to do so.
Is there a way to invoke this web service using ws-addressing model using business events or from PL/SQL or OA middle-tier?
Regards,
Sunil
CMRO Development.
I am providing here the WSDL of the external web service -
<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions targetNamespace="http://service.sdk.webservices.enigma.com" xmlns:soap12="http://schemas.xmlsoap.org/wsdl/soap12/" xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/" xmlns:http="http://schemas.xmlsoap.org/wsdl/http/" xmlns:ns1="http://org.apache.axis2/xsd" xmlns:wsaw="http://www.w3.org/2006/05/addressing/wsdl" xmlns:ax21="http://service.sdk.webservices.enigma.com/xsd" xmlns:ns="http://service.sdk.webservices.enigma.com" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/">
<wsdl:types>
<xs:schema attributeFormDefault="qualified" elementFormDefault="qualified" targetNamespace="http://service.sdk.webservices.enigma.com/xsd" xmlns:ax22="http://service.sdk.webservices.enigma.com">
<xs:import namespace="http://service.sdk.webservices.enigma.com"/>
<xs:complexType name="JCGWebServicesException">
<xs:complexContent>
<xs:extension base="ax22:Exception">
<xs:sequence>
<xs:element minOccurs="0" name="id" nillable="true" type="xs:string"/>
<xs:element minOccurs="0" name="message" nillable="true" type="xs:string"/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="JCGServiceReply">
<xs:sequence>
<xs:element maxOccurs="unbounded" minOccurs="0" name="pdfStatus" nillable="true" type="ax21:PdfStatus"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="PdfStatus">
<xs:sequence>
<xs:element minOccurs="0" name="jobCardID" nillable="true" type="xs:string"/>
<xs:element minOccurs="0" name="pdfPath" nillable="true" type="xs:string"/>
<xs:element minOccurs="0" name="status" nillable="true" type="xs:string"/>
</xs:sequence>
</xs:complexType>
</xs:schema>
<xs:schema attributeFormDefault="qualified" elementFormDefault="qualified" targetNamespace="http://service.sdk.webservices.enigma.com" xmlns:ax23="http://service.sdk.webservices.enigma.com/xsd">
<xs:import namespace="http://service.sdk.webservices.enigma.com/xsd"/>
<xs:complexType name="Exception">
<xs:sequence>
<xs:element minOccurs="0" name="Exception" nillable="true" type="xs:anyType"/>
</xs:sequence>
</xs:complexType>
<xs:element name="JCGWebServicesException">
<xs:complexType>
<xs:sequence>
<xs:element minOccurs="0" name="JCGWebServicesException" nillable="true" type="ax21:JCGWebServicesException"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="runJobCard">
<xs:complexType>
<xs:sequence>
<xs:element minOccurs="0" name="a_WorkpackageFilePath" nillable="true" type="xs:string"/>
<xs:element minOccurs="0" name="a_userName" nillable="true" type="xs:string"/>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:element name="runJobCardResponse">
<xs:complexType>
<xs:sequence>
<xs:element minOccurs="0" name="return" nillable="true" type="ax21:JCGServiceReply"/>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:schema>
</wsdl:types>
<wsdl:message name="JCGWebServicesException">
<wsdl:part name="parameters" element="ns:JCGWebServicesException">
</wsdl:part>
</wsdl:message>
<wsdl:message name="runJobCardResponse">
<wsdl:part name="parameters" element="ns:runJobCardResponse">
</wsdl:part>
</wsdl:message>
<wsdl:message name="runJobCardRequest">
<wsdl:part name="parameters" element="ns:runJobCard">
</wsdl:part>
</wsdl:message>
<wsdl:portType name="JCGServicePortType">
<wsdl:operation name="runJobCard">
<wsdl:input message="ns:runJobCardRequest" wsaw:Action="urn:runJobCard">
</wsdl:input>
<wsdl:output message="ns:runJobCardResponse" wsaw:Action="urn:runJobCardResponse">
</wsdl:output>
<wsdl:fault name="JCGWebServicesException" message="ns:JCGWebServicesException" wsaw:Action="urn:runJobCardJCGWebServicesException">
</wsdl:fault>
</wsdl:operation>
</wsdl:portType>
<wsdl:binding name="JCGServiceSoap11Binding" type="ns:JCGServicePortType">
<soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
<wsdl:operation name="runJobCard">
<soap:operation soapAction="urn:runJobCard" style="document"/>
<wsdl:input>
<soap:body use="literal"/>
</wsdl:input>
<wsdl:output>
<soap:body use="literal"/>
</wsdl:output>
<wsdl:fault name="JCGWebServicesException">
<soap:fault name="JCGWebServicesException" use="literal"/>
</wsdl:fault>
</wsdl:operation>
</wsdl:binding>
<wsdl:binding name="JCGServiceSoap12Binding" type="ns:JCGServicePortType">
<soap12:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
<wsdl:operation name="runJobCard">
<soap12:operation soapAction="urn:runJobCard" style="document"/>
<wsdl:input>
<soap12:body use="literal"/>
</wsdl:input>
<wsdl:output>
<soap12:body use="literal"/>
</wsdl:output>
<wsdl:fault name="JCGWebServicesException">
<soap12:fault name="JCGWebServicesException" use="literal"/>
</wsdl:fault>
</wsdl:operation>
</wsdl:binding>
<wsdl:service name="JCGService">
<wsdl:port name="JCGServiceHttpSoap12Endpoint" binding="ns:JCGServiceSoap12Binding">
<soap12:address location="http://localhost:8080/JCG/services/JCGService"/>
</wsdl:port>
<wsdl:port name="JCGServiceHttpSoap11Endpoint" binding="ns:JCGServiceSoap11Binding">
<soap:address location="http://localhost:8080/JCG/services/JCGService"/>
</wsdl:port>
</wsdl:service>
</wsdl:definitions>
Edited by: sikumar on Jun 22, 2010 1:50 PM

Bharat,
You dont need a Business Event setup to invoke a BPEL process from PL/SQL unless you have a special case and you need to process the response from the BPEL process in a separate thread (or in background)..
For a straight call to BPEL process from PL/SQL, here is a sample script -
function "MYTEST0" return varchar2 AS
soap_request varchar2(30000);
soap_respond varchar2(30000);
http_req utl_http.req;
http_resp utl_http.resp;
resp XMLType;
i integer;
helpStr varchar2(30000);
BEGIN
soap_request:= '<?xml version = ''1.0'' encoding = ''UTF-8''?>
<env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:ns0="
http://xmlns.oracle.com/TestWS">
<env:Body>
<ns0:TestWSProcessRequest>
<ns0:input>abc</ns0:input>
</ns0:TestWSProcessRequest>
</env:Body>
</env:Envelope>
/* the BPEL process name is TestWS */
http_req:= utl_http.begin_request
( 'http://hostname:7777/orabpel/default/TestWS/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', 'process');
utl_http.write_text(http_req, soap_request);
http_resp:= utl_http.get_response(http_req);
utl_http.read_text(http_resp, soap_respond);
utl_http.end_response(http_resp);
resp:= XMLType.createXML(soap_respond);
resp:= resp.extract('/soap:Envelope/soap:Body/child::node()',
'xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"');
helpStr := '';
i:=0;
loop
helpStr := helpStr || substr(soap_respond,1+ i*255,250);
i:= i+1;
if i*250> length(soap_respond)
then
exit;
end if;
end loop;
return helpStr;
END;

Error invoking SSL web service using pl sql UTL_HTTP

Web Services Gurus,
I am invoking a secure web service based on the following WSDL file from a pl/sql program using UTL_HTTP package.
The web service is secure and prompts for authentication.
The web services certificate is imported in Oracle Wallet on Database Server.
I am listing the WSDL file, the pl/sql code and error message as follows -
1. The WSDL file -
<definitions
name="Webservice"
targetNamespace="http://webservice.airclic.com/"
xmlns="http://schemas.xmlsoap.org/wsdl/"
xmlns:tns="http://webservice.airclic.com/"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
>
<types>
<xs:schema targetNamespace="http://webservice.airclic.com/" version="1.0" xmlns:tns="http://webservice.airclic.com/"
xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:element name="Exception" type="tns:Exception"/>
<xs:element name="sendAuthenticationResponse" type="tns:sendAuthenticationResponse"/>
<xs:element name="sendAuthenticationResponseResponse" type="tns:sendAuthenticationResponseResponse"/>
<xs:complexType name="AuthenticationResponse">
<xs:complexContent>
<xs:extension base="tns:Response">
<xs:sequence>
<xs:element name="success" type="xs:boolean"/>
<xs:element name="username" type="xs:string"/>
<xs:element minOccurs="0" name="password" type="xs:string"/>
<xs:element minOccurs="0" name="firstName" type="xs:string"/>
<xs:element minOccurs="0" name="lastName" type="xs:string"/>
<xs:element minOccurs="0" name="email" type="xs:string"/>
<xs:element minOccurs="0" name="active" type="xs:boolean"/>
<xs:element minOccurs="0" name="timeZone" type="xs:string"/>
<xs:element minOccurs="0" name="group" type="xs:string"/>
<xs:element minOccurs="0" name="role" type="xs:string"/>
<xs:element minOccurs="0" name="errorCode" type="xs:string"/>
<xs:element minOccurs="0" name="errorMessage" type="xs:string"/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="DispatchEvent"></xs:complexType>
<xs:complexType name="sendAuthenticationResponse">
<xs:sequence>
<xs:element minOccurs="0" name="authenticationResponse" type="tns:AuthenticationResponse"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="sendAuthenticationResponseResponse">
<xs:sequence/>
</xs:complexType>
<xs:simpleType name="status"></xs:simpleType>
<xs:simpleType name="source"></xs:simpleType>
<xs:simpleType name="eventType"></xs:simpleType>
</xs:schema>
</types>
<message name="Webservice_sendAuthenticationResponse">
<part name="sendAuthenticationResponse" element="tns:sendAuthenticationResponse"/>
</message>
<message name="Webservice_sendAuthenticationResponseResponse">
<part name="sendAuthenticationResponseResponse" element="tns:sendAuthenticationResponseResponse"/>
</message>
<portType name="Webservice">
<operation name="sendAuthenticationResponse" parameterOrder="sendAuthenticationResponse">
<input message="tns:Webservice_sendAuthenticationResponse"/>
<output message="tns:Webservice_sendAuthenticationResponseResponse"/>
<fault name="Exception" message="tns:Exception"/>
</operation>
</portType>
<binding name="WebserviceBinding" type="tns:Webservice">
<soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
<operation name="sendAuthenticationResponse">
<soap:operation soapAction=""/>
<input>
<soap:body use="literal"/>
</input>
<output>
<soap:body use="literal"/>
</output>
<fault name="Exception">
<soap:fault name="Exception" use="literal"/>
</fault>
</operation>
</binding>
<service name="Webservice">
<port name="WebservicePort" binding="tns:WebserviceBinding">
<soap:address location="https://host.airclic.com:443/webservice/product/fieldservice/v1/Webservice"/>
</port>
</service>
</definitions>
2. The pl/sql code that calls the web service operation sendAuthenticationResponse
procedure send_auth_response
as
soap_request varchar2(30000);
soap_respond varchar2(30000);
http_req utl_http.req;
http_resp utl_http.resp;
resp XMLType;
i integer;
begin
-- initiate wallet for AirClic certificate
dbms_output.put_line ('1');
utl_http.set_wallet('file:/etc/oracle/wallet','<wallet password>');
-- create soap request
dbms_output.put_line ('2');
soap_request:= '<?xml version = "1.0" encoding = "UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<SOAP-ENV:Body>
<ns1:sendAuthenticationResponse xmlns="https://host.airclic.com:443/webservice/product/fieldservice/v1/Webservice" SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<success xsi:type="xsd:boolean">true</success>
<username xsi:type="xsd:string">changlanih</username>
<password xsi:type="xsd:string">abcd1234</password>
<firstName xsi:type="xsd:string">hero</firstName>
<lastName xsi:type="xsd:string">changlani</lastName>
<email xsi:type="xsd:string">[email protected]</email>
<active xsi:type="xsd:boolean">true</active>
<timeZone xsi:type="xsd:string">eastern</timeZone>
<group xsi:type="xsd:string">Northeast</group>
<role xsi:type="xsd:string">Service Manager</role>
<errorCode xsi:type="xsd:string"></errorCode>
<errorMessage xsi:type="xsd:string"></errorMessage>
</ns1:sendAuthenticationResponse>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>';
-- request that exceptions are raised for error Status Codes
dbms_output.put_line ('3');
utl_http.set_response_error_check (true);
-- allow testing for exceptions like UTL_HTTP.http_server_error
dbms_output.put_line ('4');
utl_http.set_detailed_excp_support (true);
--utl_http.set_transfer_timeout (ln_time_out);
dbms_output.put_line ('5');
utl_http.set_body_charset ('UTF-8');
-- begin request
dbms_output.put_line ('5.5');
http_req:= utl_http.begin_request
('https://host.airclic.com:443/webservice/product/fieldservice/v1/Webservice/sendAuthenticationResponse', ------ is the url correct here ?
'POST',
'HTTP/1.1'
dbms_output.put_line ('6');
utl_http.set_authentication(http_req, '<username for webservice>', '<password for webservice user>');
dbms_output.put_line ('7');
utl_http.set_persistent_conn_support (http_req, false);
dbms_output.put_line ('8');
utl_http.set_header(http_req, 'Content-Type', 'text/xml'); -- since we are dealing with plain text in XML documents
dbms_output.put_line ('9');
utl_http.set_header(http_req, 'Content-Length', length(soap_request));
dbms_output.put_line ('10');
utl_http.set_header(http_req, 'SOAPAction', ''); -- required to specify this is a SOAP communication
dbms_output.put_line ('11');
utl_http.write_text(http_req, soap_request);
dbms_output.put_line ('12');
http_resp := utl_http.get_response(http_req);
-- debug messages
DBMS_OUTPUT.PUT_LINE('-------utl_http.get_response---------------------');
DBMS_OUTPUT.PUT_LINE('http_resp.status_code is :'||http_resp.status_code );
DBMS_OUTPUT.PUT_LINE('http_resp.reason_phrase is :'||http_resp.reason_phrase);
DBMS_OUTPUT.PUT_LINE('http_resp.http_version is :'||http_resp.http_version);
DBMS_OUTPUT.PUT_LINE('http_resp.private_hndl is :'||http_resp.private_hndl);
DBMS_OUTPUT.PUT_LINE('-------utl_http.get_response----------------------');
utl_http.read_text(http_resp, soap_respond);
dbms_output.put_line ('13');
utl_http.end_response(http_resp);
dbms_output.put_line ('14');
resp := XMLType.createXML(soap_respond);
dbms_output.put_line ('15');
resp := resp.extract('/soap:Envelop/soap:Body/child::node()',
'xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"');
i:=0;
dbms_output.put_line ('16');
loop
dbms_output.put_line(substr(soap_respond, 1 + i * 255, 250));
i := i + 1;
if (i * 250) > length(soap_respond) then
exit;
end if;
end loop;
exception
when utl_http.request_failed then
dbms_output.put_line('request failed: ' || utl_http.get_detailed_sqlerrm);
when utl_http.http_server_error then
dbms_output.put_line('server error: ' || utl_http.get_detailed_sqlerrm);
when utl_http.http_client_error then
dbms_output.put_line('client error: ' || utl_http.get_detailed_sqlerrm);
when others then
dbms_output.put_line(sqlerrm);
end send_auth_response;
3. Output when I run the send_auth_response procedure
Connecting to the database cpdev.
1
2
3
4
5
5.5
ORA-12560: TNS:protocol adapter error
Process exited.
Disconnecting from the database cpdev.
Comments -
The web service operation only has input message. The input message consists of a complex type as seen in WSDL.
Questions -
1. This is my first attempt in invoking a web service from pl/sql program. Is the code in SOAP body correct as mapped to the complex type in WSDL ?
2. As seen from the dbms_out - the last message before ORA-12560 is 5.5, that means the call is erroring at following code line -
http_req:= utl_http.begin_request ------ what am I doing wrong here ?
3. The web service is SSL as seen from WSDLand needs a username/password for access - which is being performed by following code line -
utl_http.set_authentication(http_req, '<username for webservice>', '<password for webservice user>'); ------- is that correct ?
4. I am not using any proxy server - should I be using it ? When is it necessary to use proxy ?
Appreciate any help.
Thanx.

Oracle is hosted by HOST A - this is where the pl/sql program resides.
The Web Service being accessed by pl/sql program is hosted by HOST B and there are 4 firewalls in between.
Oracle was not even able to establish connection to web services host.
Escalated the issue with networking folks and they resolved the connectivity problem.
Hope that helps.

Problem invoking RPC web service (Unbalanced ELEMENT)

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