I am using webservice in ejb but it is giving Naming exception in NetWeaver

hai
this Guru.
i am working as javadeveloper .
in my project i am using webservices in ejbs.
i am using netweaverdeveloper .
my problem is whlie accessing webservices in ejbs it is giving Namingexception .
please tell me the procedure for accesing WEBSERVICES IN EJB BY USING NETWEAVER DEVELOPER STUDIO.
                          THANQQQQQ
                   GURU FROM MOBILEONE PTV LIMITED
                          HYDERABAD
                          INDIA

Hi Guru,
Refer these links
Accessing the Web Services Context from a WS-EJB ->
http://help.sap.com/saphelp_webas630/helpdata/en/a6/835f3e1e7d7937e10000000a114084/content.htm
Accessing the web service from webdynpro ->
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/9fc0e990-0201-0010-199c-e38fc6dafb5d
Regards,
Uma

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Procedure for Accessing WebService in ejb By using NetWeaver,

hai,
This is Guru.
please tell me the procedure for accessing a webservice in ejb .
my mean is.
i have one Session Beab,And there is one webservice.
How can i call and using that webservice in netweaverdeveloperstudio tool.please send me code,if u have.
thanqq
Guru

Hi Guru,
the procedure to use a WS is as follow
1. Use the SAP xmltoolkit and generate client binding for your WS, which is the stub class, parameter and return type classes of the WS methods, if any.
2.Import the created WS client jar from step 1 to your EJB module project
3. In your session bean: instantiate the stub and call a WS method on this stub
That's all there is to it.
Best Regards
Gregor
Ps. The NWDS Help has also tutorial regarding WS usage.

Error while calling PI webservice from EJB

Hi Experts,
We are getting exception while calling PI webservice from EJB which is deployed in CE 7.2. Earlier we used to call the same webservice but from different PI system at that it worked fine. Now we have changed the consumer proxies required in CE and tried to call from CE and it is throwing error. We have checked usernames and passwords that we are using to call the service and that is working fine. PI team tested from their side and li is also fine. We have also restarted the CE system but invain. Can somebody help on this. The below is the trace that we got.
Location: com.sap.engine.services.webservices.espbase.client.bindings.impl.SOAPTransportBinding
Text: Connection IO Exception. Check nested exception for details. (Connection reset).
[EXCEPTION]
com.sap.engine.services.webservices.espbase.client.bindings.exceptions.TransportBindingException: Connection IO Exception. Check nested exception for details. (Connection reset).
at com.sap.engine.services.webservices.espbase.client.bindings.impl.SOAPTransportBinding.outputSOAPMessage(SOAPTransportBinding.java:419)
at com.sap.engine.services.webservices.espbase.client.bindings.impl.SOAPTransportBinding.call_SOAP(SOAPTransportBinding.java:1364)
at com.sap.engine.services.webservices.espbase.client.bindings.impl.SOAPTransportBinding.callWOLogging(SOAPTransportBinding.java:990)
at com.sap.engine.services.webservices.espbase.client.bindings.impl.SOAPTransportBinding.call(SOAPTransportBinding.java:944)
at com.sap.engine.services.webservices.espbase.client.jaxws.core.WSInvocationHandler.processTransportBindingCall(WSInvocationHandler.java:168)
at com.sap.engine.services.webservices.espbase.client.jaxws.core.WSInvocationHandler.invokeSEISyncMethod(WSInvocationHandler.java:121)
at com.sap.engine.services.webservices.espbase.client.jaxws.core.WSInvocationHandler.invokeSEIMethod(WSInvocationHandler.java:84)
at com.sap.engine.services.webservices.espbase.client.jaxws.core.WSInvocationHandler.invoke(WSInvocationHandler.java:65)
at $Proxy780.mioaRDMDataDistribution(Unknown Source)
at com.MDMEventListener.callToPIWS(MDMEventListener.java:100)
at com.MDMEventListener.ListenerMethod(MDMEventListener.java:173)
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 com.sap.engine.services.ejb3.runtime.impl.RequestInvocationContext.proceedFinal(RequestInvocationContext.java:47)
at com.sap.engine.services.ejb3.runtime.impl.AbstractInvocationContext.proceed(AbstractInvocationContext.java:166)
at com.sap.engine.services.ejb3.runtime.impl.Interceptors_WS.invoke(Interceptors_WS.java:31)
at com.sap.engine.services.ejb3.runtime.impl.AbstractInvocationContext.proceed(AbstractInvocationContext.java:177)
at com.sap.engine.services.ejb3.runtime.impl.Interceptors_StatesTransition.invoke(Interceptors_StatesTransition.java:19)
at com.sap.engine.services.ejb3.runtime.impl.AbstractInvocationContext.proceed(AbstractInvocationContext.java:177)
at com.sap.engine.services.ejb3.runtime.impl.Interceptors_Resource.invoke(Interceptors_Resource.java:71)
at com.sap.engine.services.ejb3.runtime.impl.AbstractInvocationContext.proceed(AbstractInvocationContext.java:177)
at com.sap.engine.services.ejb3.runtime.impl.Interceptors_Transaction.doWorkWithAttribute(Interceptors_Transaction.java:39)
at com.sap.engine.services.ejb3.runtime.impl.Interceptors_Transaction.invoke(Interceptors_Transaction.java:23)
at com.sap.engine.services.ejb3.runtime.impl.AbstractInvocationContext.proceed(AbstractInvocationContext.java:177)
at com.sap.engine.services.ejb3.runtime.impl.AbstractInvocationContext.proceed(AbstractInvocationContext.java:189)
at com.sap.engine.services.ejb3.runtime.impl.Interceptors_StatelessInstanceGetter.invoke(Interceptors_StatelessInstanceGetter.java:16)
at com.sap.engine.services.ejb3.runtime.impl.AbstractInvocationContext.proceed(AbstractInvocationContext.java:177)
at com.sap.engine.services.ejb3.runtime.impl.Interceptors_SecurityCheck.invoke(Interceptors_SecurityCheck.java:25)
at com.sap.engine.services.ejb3.runtime.impl.AbstractInvocationContext.proceed(AbstractInvocationContext.java:177)
at com.sap.engine.services.ejb3.runtime.impl.Interceptors_ExceptionTracer.invoke(Interceptors_ExceptionTracer.java:17)
at com.sap.engine.services.ejb3.runtime.impl.AbstractInvocationContext.proceed(AbstractInvocationContext.java:177)
at com.sap.engine.services.ejb3.runtime.impl.DefaultInvocationChainsManager.startChain(DefaultInvocationChainsManager.java:138)
at com.sap.engine.services.ejb3.webservice.impl.DefaultImplementationContainer.invokeMethod(DefaultImplementationContainer.java:203)
at com.sap.engine.services.webservices.espbase.server.runtime.RuntimeProcessingEnvironment.process0(RuntimeProcessingEnvironment.java:730)
at com.sap.engine.services.webservices.espbase.server.runtime.RuntimeProcessingEnvironment.preProcess(RuntimeProcessingEnvironment.java:682)
at com.sap.engine.services.webservices.espbase.server.runtime.RuntimeProcessingEnvironment.process(RuntimeProcessingEnvironment.java:324)
at com.sap.engine.services.webservices.runtime.servlet.ServletDispatcherImpl.doPostWOLogging(ServletDispatcherImpl.java:199)
at com.sap.engine.services.webservices.runtime.servlet.ServletDispatcherImpl.doPost(ServletDispatcherImpl.java:65)
at com.sap.engine.services.webservices.servlet.SoapServlet.doPost(SoapServlet.java:61)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at com.sap.engine.services.servlets_jsp.server.Invokable.invoke(Invokable.java:152)
at com.sap.engine.services.servlets_jsp.server.Invokable.invoke(Invokable.java:38)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:404)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:204)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:440)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:429)
at com.sap.engine.services.servlets_jsp.filters.DSRWebContainerFilter.process(DSRWebContainerFilter.java:38)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.servlets_jsp.filters.ServletSelector.process(ServletSelector.java:82)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.servlets_jsp.filters.ApplicationSelector.process(ApplicationSelector.java:268)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.WebContainerInvoker.process(WebContainerInvoker.java:81)
at com.sap.engine.services.httpserver.chain.HostFilter.process(HostFilter.java:9)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.ResponseLogWriter.process(ResponseLogWriter.java:60)
at com.sap.engine.services.httpserver.chain.HostFilter.process(HostFilter.java:9)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.DefineHostFilter.process(DefineHostFilter.java:27)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.MonitoringFilter.process(MonitoringFilter.java:29)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.MemoryStatisticFilter.process(MemoryStatisticFilter.java:54)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.DSRHttpFilter.process(DSRHttpFilter.java:42)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.server.Processor.chainedRequest(Processor.java:447)
at com.sap.engine.services.httpserver.server.Processor$FCAProcessorThread.process(Processor.java:264)
at com.sap.engine.services.httpserver.server.rcm.RequestProcessorThread.run(RequestProcessorThread.java:56)
at com.sap.engine.core.thread.execution.Executable.run(Executable.java:122)
at com.sap.engine.core.thread.execution.Executable.run(Executable.java:101)
at com.sap.engine.core.thread.execution.CentralExecutor$SingleThread.run(CentralExecutor.java:328)
Caused by: java.net.SocketException: Connection reset
at java.net.SocketInputStream.read(SocketInputStream.java:168)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
at com.sap.engine.services.webservices.jaxm.soap.HTTPSocket.readLine(HTTPSocket.java:950)
at com.sap.engine.services.webservices.jaxm.soap.HTTPSocket.getInputStream(HTTPSocket.java:414)
at com.sap.engine.services.webservices.jaxm.soap.HTTPSocket.getResponseCode(HTTPSocket.java:319)
at com.sap.engine.services.webservices.espbase.client.bindings.ClientHTTPTransport.getResponseCode(ClientHTTPTransport.java:209)
at com.sap.engine.services.webservices.espbase.client.bindings.impl.SOAPTransportBinding.outputSOAPMessage(SOAPTransportBinding.java:385)
... 78 more
Regards,
Pradeep

Hi Pradeep,
this looks like if the server is not reachable. Have you checked if both server are able to communicate? Maybe firewall rules block the request.
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Image not displayed in html output used webservice to store in a location

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Client remote Authentication using JAAS and EJB Access

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        at com.sun.ejb.containers.BaseContainer.postInvoke(BaseContainer.java:853)
        at com.sun.ejb.containers.EJBObjectInvocationHandler.invoke(EJBObjectInvocationHandler.java:137)
...I have to mention that I do make a login via the LoginContext. My jaas.config File has a reference to the com.sun.enterprise.security.auth.login.ClientPasswordLoginModule module.
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Am I doing something wrong?
Need help! Thx,
Stephan

Hi.
I understand correctly that you call Subject.doAs on
the client to call the remote EJB. I guess It isn't
right way.I had also a bad feeling about this, so I forget it. But anyway it wasn't working with or without using that doAs().
>
>
Subject contextSubject =
Subject.getSubject(AccessController.getContext());
contextSubject.getPrincipals();This code throws exceptions in the Appserver. Unfortunately they are catched somewhere so I'm unable to find out what was going wrong. But I guess, that these exceptions where security exceptions. Never the less thanks for the hint!
But I don't think that doing the check on the server side is the way I want to go because that is programmatically security and I want to use the declarative security which can be used through the deployment descriptor. If used correctly - and supposed I do not completely misunderstand the specification - then it should be possible to create an EJB that is protected via it's deployment descriptor and access it through the client only if the client has been authenticated through JAAS mechanisms. After successful authentication the principal should be accessible through the EJB context but not for security check, that should allready been done at this time.
Unfortunately I don't find any resource on the internet describing the scenario in such a detail that I can reproduce it. There are only very high level documentations and hints in forums.
Again, thanks for your effort,
Stephan

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How to use Webservice in Webdynpro ABAP?

I tried searching option for importing WSDL file in WebDynpro ABAP. But I am unable to upload it in my component. In service call wizard I can see only one option i.e. to import Function module.
We cant use Webservice in ABAP webdynpro?
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Nitesh Shelar

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I strongly believe that in case of stand alone WAS I need to have at least backend dictionary structures to begin with my design. I cant use wizard, as I dont have function modules on this system. I have to code for that manually..
So that is why, I was looking for Webservice option..
Thanks,
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Example i have a method called Go() which takes string as argument.
Here , when i make use of it, Go is class, and when i try to call like this Go(Go parameters).
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It should ask for String arguments.
I am unable to understand how to make use of the methods present in webservice.
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But they are not in websserivce coding.
Any one is familiar working with webserivces in Jsp Dynpage, please guide me.
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San H.

You can definitely use JNDI outside of EJB's - in particular, it's a great interface for dealing with LDAP servers, even securely, and can also be used for DNS interfacing, COS, RMI registries, etc.
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http://java.sun.com/products/jndi/tutorial/
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James
James Manning | Principal Engineer
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http://www.porivo.com/
Measuring end-to-end Web performance.
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Do i have to use JMS with EJBS?

Hi
I want to use JMS as a messaging system (a queue) between my system and someone elses. I would like to have some java classes on Tomcat to do the job. But...whenever i hear about JMS i always hear it in relation to EJBs. Can i only use JMS with EJBS?
If i can use JMS is there anything important i need to know about.
Thanks in advance!
San H.

As far as I understand you are use JNDI and JMS is not bound with EJB's. These are java API's which are independent. Like JDBC you can use with Servlets, Applets, standalone applications, EJB, JMS etc etc.......
In the same way you can use JNDI and JMS with diferent API. And the important feature of Java is that all java API interact with each other when these are independent. I would appricate comments of everyone......................Thanks

Using webservices in forms 10g

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Hi Team,
i am Using Webservices in PDK.
I followed all the steps to use the webservice in the portal.
i can able to read the the methods, which are there in webservice.
But when i try to call the methods,
they are behaving differently.
Example i have a method called Go() which takes string as argument.
Here , when i make use of it, Go is class, and when i try to call like this Go(Go parameters).
It is asking Go parameters, what is that mean?
It should ask for String arguments.
I am unable to understand how to make use of the methods present in webservice.
Additionally it is having some other methods, which have come automatically with webserivce.
But they are not in websserivce coding.
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refer this thread
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Message was edited by:
Anant

I am using webservice in ejb but it is giving Naming exception in NetWeaver

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