How to refer to J2EE library server component from a web service?

Hi,
I need help! I created a web service and it worked fine. However, I started having problems when I tried to use java classes from my deployable J2EE library server component. I got the NoClassDefFound error.
I tried to include the library DC in the Used DC list and put the reference of it in the web service deployment descriptor xml (application.xml and application-j2ee-engine.xml), but it did not work.
How do I refer and use java classes from my deployable J2EE library at run time from my web service application? What should I do?
Thanks,
Giavinh Pham

I would like to clarify more about the web service project. I created a Java DC project and converted it into a web service as the SAP manual instructions. It worked fine by itself, but I now want to use some of my classes that I deployed as a J2EE library server component.
It was compiled and built when I refer to my J2EE library server component DC in the UsedDC. It was deployed fine as well. However, it broke when I tested the web service calls. The class declarations and usage from the J2EE server component could not be found (NoClassDefFound error.)
I thought it was because I did not have an application-j2ee-engine.xml in my META-INF folder so I created one and referred to the library in xml as type library and reference 'strong'. I built and deployed again. It still did not work.
I examined the EAR and noticed that there were two parts of the EAR. One is the WSAR archive file that contains the META-INF folder from my project and other web service assemblies. The other part is the META-INF folder generated by the SAP NetWeaver IDE.
The strange thing was that SAP NetWeaver IDE generated an application-j2ee-engine.xml without any reference to my J2EE library server component. However, the nested application-j2ee-engine.xml in the WSAR archive file did contain the info.
Since I cannot control the application-j2ee-engine.xml generated by SAP NetWeaver IDE, what should I do? Is it the cause for my problem?
Please advice, anyone?
Giavinh

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<![CDATA[
import mx.collections.ArrayCollection;
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import mx.rpc.events.FaultEvent;
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http://www.flexcapacitor.com/examples/php/datagrid_xml.php
myDataGrid.dataProvider = event.result.row;
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server
http://localhost:1343/***/DataService.asmx?wsdl
public function handleFault(event:FaultEvent):void {
lastResultValue.text = "Fault: " + event.fault.faultDetail;
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// var myService:XML = XML(event.result);
//trace(myService.toXMLString());
]]>
</mx:Script>






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I haven't been able to see the results from my web service.
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David
- <s:element name="Get_xplan_msc">
<s:complexType />
</s:element>
- <s:element name="Get_xplan_mscResponse">
- <s:complexType>
- <s:sequence>
- <s:element minOccurs="0" maxOccurs="1"
name="Get_xplan_mscResult">
- <s:complexType>
- <s:sequence>
<s:element ref="s:schema" />
<s:any />
</s:sequence>
</s:complexType>
</s:element>
</s:sequence>
</s:complexType>
</s:element>
[WSDLError faultString="Element
http://tempuri.org/:Get_xplan_mscResponse
not resolvable" faultCode="WSDL.BadElement" faultDetail="null"]
at mx.rpc.soap::WSDLParser/
http://www.adobe.com/2006/flex/mx/internal::parseMessage()
at mx.rpc.soap::WSDLOperation/parseMessages()
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http://www.adobe.com/2006/flex/mx/internal::invokePendingCall()
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http://www.adobe.com/2006/flex/mx/internal::invokeAllPending()
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flash.events::EventDispatcher/flash.events:EventDispatcher::dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
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at mx.rpc.soap::WSDLParser/
http://www.adobe.com/2006/flex/mx/internal::httpResultHandler()
at
flash.events::EventDispatcher/flash.events:EventDispatcher::dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.rpc::AbstractInvoker/
http://www.adobe.com/2006/flex/mx/internal::dispatchRpcEvent()
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http://www.adobe.com/2006/flex/mx/internal::resultHandler()
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at ::DirectHTTPMessageResponder/completeHandler()
at
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<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="
http://www.adobe.com/2006/mxml"
layout="absolute"
backgroundColor="#f6f6f6"
backgroundGradientColors="[#f6f6f6, #bbbbbb]"
creationComplete="getXplan_MSC()">


<mx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
// you import the event classes for strong typing
import mx.rpc.events.ResultEvent;
import mx.rpc.events.FaultEvent;
import mx.controls.dataGridClasses.DataGridColumn;
import mx.managers.CursorManager;
import mx.controls.Alert;
default xml namespace = "
http://localhost:1343";
//necessary to access the xml elements easily
[Bindable]private var _xmlResult:XML; //holds the result xml
[Bindable]private var _xlDayData:XMLList; //dataProvider for
the day weather dataGrid
[Bindable]private var _sPlace:String;
/** invokes the web service operation to get the weather */
private function getXplan_MSC():void
CursorManager.setBusyCursor();
WS.Get_xplan_msc.send();
//lastResultValue.text = "Result:\n" +
event.result.Get_xplan_msc;
/** called by the WebService result event. Sets the
dataProviders as necessary */
private function onResult(oEvent:ResultEvent):void
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//outputInfo.text = _xlDayData.text();
// outputInfo.text = _xmlResult.toXMLString();
// outputInfo.text = xmlResultNode.MSC.text();// + ", " +
xmlResultNode.StateCode.text();
// _xlDayData =
xmlDetailsNode.toXMLString();//Get_xplan_mscResult[0];
outputInfo.text = _xmlResult.text();
CursorManager.removeBusyCursor();
}//onResult
/** labelFunction for DataGrid. It seems that the namespace
on the xml makes
* using the DataGridColumn dataField not work. At least I
couldn't get it to work. */
public function handleResultXML(event:ResultEvent):void {
// the result object is your xml root
lastResultValue.text = "Result:\n" +
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public function handleFault(event:FaultEvent):void {
lastResultValue.text = "Fault: " + event.fault.faultDetail;
lastResultValue.text = "Fault: " + event.fault.faultDetail;
//trace(myServiceXML.toXMLString());
// var myService:XML = XML(event.result);
//trace(myService.toXMLString());
]]>
</mx:Script>





<mx:WebService id="WS" wsdl="
http://localhost:1343/***/DataService.asmx?wsdl">
<mx:operation name="Get_xplan_msc" resultFormat="e4x"
/>
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<mx:Label x="10" y="10" text="Populate Chart with XML"
fontSize="20" fontWeight="bold"/>
<mx:HRule x="10" y="49" width="80%"/>
<mx:Button id="submit0" x="139" y="199" label="Get XML"
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<mx:Label x="10" y="228" text="Result"/>
<mx:TextArea x="10" y="244" width="333" height="400"
id="lastResultValue"/>
<mx:TextArea x="377" width="354" height="400"
id="outputInfo" y="244"/>

</mx:Application>

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@EJB
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In the second step, you will want to do something will your EJB, but since mytestSSBLocal doesn't define any methods, there is nothing you can do with your ejb.
The Exception is telling you that weblogic couldn't find a complaint interface for your EJB.
best regards, Nicolas

How to access HTTP Header from within Web service?

Hello,
Is there a way to access HTTP header variables like CONTENT_TYPE, CONTENT_LENGTH from within Web Logic web service.
I was able to get the HTTP header variable from within Apache AXIS services by calling context.getProperty(HTTPConstants.MC_HTTP_SERVLETREQUEST
How can i do this from weblogic web service.
I need this to verify the client SSL_CLIENT_DN
In access I can get the header as follows.
HttpServletRequest req = (HttpServletRequest) context
.getProperty(HTTPConstants.MC_HTTP_SERVLETREQUEST);
clientID = req.getHeader("SSL_CLIENT_S_DN_Email");
Thanks
--Arun

hi
the following link may helpful to you
http://e-docs.bea.com/wls/docs81/webserv/anttasks.html#1111537
Regards
Prasanna Yalam

HTTP connection from OSB web service to external system via a Proxy Server

Dear experts,
May I know has anyone tried to use HTTP protocol to send a request from OSB web service to external system via a proxy server? Heard that we need to establish some sort of tunnel (socket) to talk to Proxy Server. Can you please any have sample code or configuration steps to share?
Thank you very much!!

http://download.oracle.com/docs/cd/E13159_01/osb/docs10gr3/consolehelp/global_resources.html#wp1137294
Adding Proxy Servers
Use the Summary of Proxy Servers page to add and configure Proxy Server resources and make them available in Oracle Service Bus as a system resource. You must be in an active session to configure or reconfigure Proxy Server resources.
1. If you have not already done so, click Create to create a new session or click Edit to enter an existing session. See Using the Change Center.
2. Select System Administration > Proxy Servers.
3. Click Add.
4. In the Name field, enter a name for the Proxy Server resource. This is a required field.
5. In the Description field, enter a short description for the Proxy Server resource.
6. In the Host-Port Parameters section, enter the following information:
1. In the Server Host field, enter the host name or IP address of the Proxy Server. This is a required field.
The Server Host name for the Oracle Service Bus proxy server must be identical to the server host name of the actual proxy server.
2. In the Clear Text Port field, enter the Proxy Server clear-text port number.
3. In the SSL Port field, enter the Proxy Server SSL port number. You must enter either a clear text or SSL port number.
4. Click Add.
You can configure multiple Proxy Servers for each Proxy Server resource. This enables Oracle Service Bus to perform load balancing and offer fault tolerance features for the Proxy Server resource.
7. If the Proxy Server performs proxy authentication, enter a user name in the User Name field, and the associated password in the Password and Confirm Password fields.
These fields are optional, and required only if the Proxy Server is secured.
8. Click Save to create and save the Proxy Server resource in the current session.
9. To end the session and deploy the configuration to the run time, click Activate under Change Center.

How to delete a J2EE library from the WAS?

Hello,
I have uploaded a J2EE library to the WAS, it can be found at the Admin tool under: Server->Libraries.
Suppose I don't need these library anymore and I would like to delete it. How do I do it?

Hi Roy,
It depends on which server you are asking for, for Netweaver 2004 and 2004s the easiest way to deploy\undeploy components would be via the SDM UI - launch it from \usr\sap\<sid>\<id>\SDM\program\RemoteGui .
There from the undeployment tab you should see your library, then click the select button, start undeployment and follow the instructions.
You may check the SDM documentation as well - it should be in a doc directory
HTH
Peter

How to use own J2EE library withon WAR/EAR?

Hi,
I've written a servlet within a WAR that uses for example JCo-Conenction. For that. I've added com.sap.mw.jco as "Used DC" in the WAR-Metadata. Additionally, I've added the DC in the EARs application-j2ee-engine.xml
<reference reference-type="hard">
<reference-target provider-name="sap.com"
target-type="library">com.sap.mw.jco</reference-target>
</reference>
Everything is fine so far. But now, I want to use a self-created J2EE-Library DC that is deployed on the server.
I've added it to the WARs "Used DC"s as well and added it to the EARs application-j2ee-engine.xml. But the servlet is not loaded during deploy. It fails with the error "NoClassDefFound: <class i have in my J2EE-Library project>"
is there anything more to do for self-created J2EE-Libs?
kr, achim

Marc,
I've solved it already. I've added indeed the wrong DC ("libs/servicelibs" instead of "libs/servicelibs_j2ee"). Well, bad naming conventions, it was late and I have the flu...
Anyway, thanks for supporting me, that all what I did was correct
kr, achim

How can we disable the a ias-component from backend

Hi,
can any one tell how to disable the ias-component from backend? I don't want some components to start during the start of OPMN processes. My OEM page is not accessible to disable the start of the components.
Thanks and Regards,
Vijay.

The preferred way of disabling things is using ASC (application server control/enterprise manager).
ASC makes a modification to $ORACLE_HOME/opmn/conf/opmn.xml.
Every component has a tag named "status" which can be set to "disabled":
<ias-component id="DSA" status="enabled" id-matching="true">
If you use this method, do not forget to sync your modification with the dcm repository using:
$ORACLE_HOME/dcm/bin/dcmctl updateconfig

How to refer to J2EE library server component from a web service?

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