Web services (sample application)

Hello,
we're trying to get the sample applications (including web services) working (using HTML DB 1.6.0.00.87).
First, we encountered "ORA-20001: The webservice was unreachable because either the URL you supplied was invalid, or your environment requires a valid proxy server address for HTTP requests.". After entering our proxy server's address, a new error occurs:
"ORA-31011: XML parsing failed ORA-19202: Error occurred in XML processing LPX-00104: Warning: element "HTML" is not declared in the DTD Error at line 2"
Same thing happens when trying to create a new web service reference based on the tutorial provided by Oracle: http://www.oracle.com/global/de/community/tipps/WebServices/index.html
Any ideas where our mistake lies?
Thanks in advance for your help!

I've run into the same issue. I thought it was because I was using version 1.6, so I upgraded to HTML DB 2.0 today (I am running 10.2 locally). However, I am getting the same error:
ORA-31011: XML parsing failed ORA-19202: Error occurred in XML processing LPX-00104: Warning: element "html" is not declared in the DTD Error at line 2
This happens when I select the IBM UDDI from the list and search for %xMethods% as indicated in the 2-Day Developers Guide.
I get the same error when selecting the Oracle UDDI.
The XMethods UDDI goes out and searches for something, but 30 minute waits have not resulted in any return, although I have gotten "no matches found" in the past. The IBM UDDI has resulted in the same error.
I've check my proxy settings (don't have any) and tried in both IE 6 and Firefox 1.5.
When I pull the search string down to "%", then every UDDI registry search goes off and spins. In the past, I got a huge number of matches from XMethods, but couldn't start paging through for the "xMethod Delayed Stock Quotes" example in the tutorial.
I would appreciate any enlightment anyone can shed on what's happening under the covers.
Many thanks,
Petie

Similar Messages

InstantiationException when trying to reference an external jar in my web service sample

Dear all,
I'm working with Weblogic 6.1 SP3 (on NT platform) and, starting from weather
weblogic web service sample, I'm trying to build my first web service sample.
I developed a simple EJB (called OrderManager) that exposes the following functionalities
in its remote:
import com.bosslab.abs.beb.sci.ServiceHeaderVO;
public interface OrderManager extends EJBObject {
public OrderManagerServiceResponseVO
submitOrder(
ServiceHeaderVO header,
OrderManagerServiceVO data) throws Throwable;
the ServiceHeaderVO interface is in another package and it is included in an external
Beb.jar.
This Beb.jar is located under serverclasses in mydomain directory and it is included
in the classpath set in startWeblogic.cmd.
Using wsgen weblogic task & ant I created my WSOrderManager.ear and I deployed
it.
Now no problem testing the EJB (OrderManager) with a simple client (in order to
verify that classpath is correct and also the EJB is running properly).
Also no problem pointing out to this URL "http://localhost:7011/ordermanager/com.bosslab.abs.mediator.OrderManager/com.bosslab.abs.mediator.OrderManager.wsdl"
to see the WSDL of my web service.
But when I run the web service client I got the following error:
Exception in thread "main" ------------- Remote Stack Trace ------------
Server side error:
java.lang.InstantiationException: com.bosslab.abs.beb.sci.ServiceHeaderVO
at weblogic.soap.codec.SimpleSoapEncodingCodec.newInstance(SimpleSoapEncodingCodec.java:198)
at weblogic.soap.codec.SimpleSoapEncodingCodec.decode(SimpleSoapEncodingCodec.java:178)
at weblogic.soap.codec.SimpleSoapEncodingCodec.decode(SimpleSoapEncodingCodec.java:151)
at weblogic.soap.codec.CodecFactory.decode(CodecFactory.java:96)
at weblogic.soap.codec.Operation.read(Operation.java:100)
at weblogic.soap.codec.SoapMessage.readOperation(SoapMessage.java:200)
at weblogic.soap.codec.SoapMessage.read(SoapMessage.java:130)
at weblogic.soap.server.servlet.StatelessBeanAdapter.getInputMessage(StatelessBeanAdapter.java:162)
at weblogic.soap.server.servlet.StatelessBeanAdapter.doPost(StatelessBeanAdapter.java:105)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:265)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:200)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:2546)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2260)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)
------------- Local Stack Trace ------------
weblogic.soap.SoapFault:
org.xml.sax.SAXException
at weblogic.soap.codec.FaultOperation.getException(FaultOperation.java:16)
at weblogic.soap.WebServiceProxy.processResult(WebServiceProxy.java:487)
at weblogic.soap.WebServiceProxy.invoke(WebServiceProxy.java:434)
at weblogic.soap.SoapMethod.invoke(SoapMethod.java:186)
at weblogic.soap.wsdl.WebServiceInvocationHandler.invoke(WebServiceInvocationHandler.java:27)
at $Proxy0.submitOrder(Unknown Source)
at StaticWSOrderManagerClient.main(StaticWSOrderManagerClient.java:30)
It seems that there is a problem to instantiate the com.bosslab.abs.beb.sci.ServiceHeaderVO
class included in the Beb.jar, so I thought the problem was related to the classpath
setting, maybe Beb.jar is not set properly in some place ...
To try solving this problem I did these steps:
-> exploded my WSOrderManager.ear
-> created a lib directory and put into it the Beb.jar
so now the ear structure is:
lib/Beb.jar
MediatorOrderManager.jar
META-INF
web-services.war
-> modified the application.xml, adding:
<module>
<java>lib/Beb.jar</java>
</module>
-> modified the Manifest.mf, adding:
Manifest-Version: 1.0
Created-By: 1.3.1_03 (Sun Microsystems Inc.)
Class-Path: lib/Beb.jar
-> regenerate the WSOrderManager.ear
jar cvf WSOrderManager.ear lib MediatorOrderManager.jar ...
-> and redeployed the ear
But after stopping/starting my instance, I got yet the same error when I run my
client.
Could you please help me to understand how solving this problem ?
I thank you in advance
Kind regards

The WSDL is generated from my web service. I made heavy revisions to my web service which, in turn, affected the resultant WSDL. The changes I made to my web service were almost exclusively related to object substitution. For example, prior to the change I was referencing object A from my web service; after the change, I was referencing object B. The objects that I'm referring to are XMLBeans, if that matters. I can't really describe it more than that without actually showing you the WSDL.
I would post the WSDL file here to allow you to try to create a types jar out of it, but the WSDL exceeds the 30000 character limit for this field. There is no way for me to attach the WSDL to this post.

Oracle9iAS Web servics sample

All,
Have a look at the new web services sample which demonstrates how to build different type of web services(stateless java,
stateful java, stateless EJB & PL/SQL) and consume it in a typical eBusiness application. Viewlets are also provided as how the
services need to be built, which are available both online and with the sample distribution.
http://otn.oracle.com/sample_code/tech/java/web_services/content.html
Enjoy,
--Rajesh

You should have no problem using Web Cache to accelerate a PL/SQL driven site. Any site that delivers content via HTTP is a good candidate for Web Cache. Try downloading the standalone Web Cache software from OTN, and be sure to read the manual to learn about how it works and how to configure it.

Deployment Error using the Web Services sample ?

All,
I am running the Web Services sample, the compile works fine, but the deployment fails with the following error -
Any suggestions on what needs to be fixed ?
Sameer.
C:\jdev9\jdk\jre\bin\javaw.exe -jar C:\ias\j2ee\home\admin.jar ormi://127.0.0.1/ admin **** -deploy -file C:\jdev9\jdev\mywork\WorkspaceStatelessJava\Project\WorkspaceStatelessJava-ProjectStatelessJava-WS.ear -deploymentName WorkspaceStatelessJava-ProjectStatelessJava-WS
Error: java.lang.NoSuchMethodError: java.net.URL: method getPath()Ljava/lang/String; not found
Exit status of OC4J admin tool (-deploy): 1

Thanks Mike, your guess was right on target.
I realize this sample was originally tested for Oracle9i Web Services
Quickstart Install (9.0.2) , but I have been able to get it running on
(9.0.3) as well.
1) I pointed to a jdk 1.3 directory and then was able to
create a password for oc4j.
C:\jdev9\j2ee\home>D:\jdk1.3.1\bin\java -jar oc4j.jar -install
Enter an admin password to use: admin
Confirm admin password: admin
Installation done
2) This time the deployment worked -
---- Deployment started. ---- Dec 6, 2002 10:57:42 AM
Wrote WAR file to
C:\jdev9\jdev\mywork\WorkspaceStatelessJava\Project\WebServices.war
Wrote EAR file to
C:\jdev9\jdev\mywork\WorkspaceStatelessJava\Project\WorkspaceStatelessJ
ava-ProjectStatelessJava-WS.ear
Invoking OC4J admin tool...
C:\jdev9\jdk\jre\bin\javaw.exe -jar C:\jdev9\j2ee\home\admin.jar
ormi://127.0.0.1/ admin **** -deploy -file
C:\jdev9\jdev\mywork\WorkspaceStatelessJava\Project\WorkspaceStatelessJ
ava-ProjectStatelessJava-WS.ear -deploymentName
WorkspaceStatelessJava-ProjectStatelessJava-WS
Auto-unpacking
C:\jdev9\j2ee\home\applications\WorkspaceStatelessJava-ProjectStateless
Java-WS.ear... done.
Auto-unpacking
C:\jdev9\j2ee\home\applications\WorkspaceStatelessJava-ProjectStateless
Java-WS\WebServices.war... done.
Copying default deployment descriptor from archive at
C:\jdev9\j2ee\home\applications\WorkspaceStatelessJava-ProjectStateless
Java-WS/META-INF/orion-application.xml to deployment directory
C:\jdev9\j2ee\home\application-deployments\WorkspaceStatelessJava-Proje
ctStatelessJava-WS...
Auto-deploying WorkspaceStatelessJava-ProjectStatelessJava-WS (New
server version detected)...
Exit status of OC4J admin tool (-deploy): 0
C:\jdev9\jdk\jre\bin\javaw.exe -jar C:\jdev9\j2ee\home\admin.jar
ormi://127.0.0.1/ admin **** -bindWebApp
WorkspaceStatelessJava-ProjectStatelessJava-WS WebServices
http-web-site /WorkspaceStatelessJava-ProjectStatelessJava-context-root
Exit status of OC4J admin tool (-bindWebApp): 0
Use the following context root(s) to test your web application(s):
http://127.0.0.1:8888/WorkspaceStatelessJava-ProjectStatelessJava-conte
xt-root
Elapsed time for deployment: 22 seconds
---- Deployment finished. ---- Dec 6, 2002 10:58:04 AM
3) Running the Client.java worked.
Project Message Window
C:\jdev9\jdk\bin\javaw.exe -ojvm -classpath
C:\jdev9\jdev\mywork\WorkspaceStatelessJava\Project\classes;C:\jdev9\jd
ev\lib\jdev-rt.jar;C:\jdev9\jdev\lib\jdev-rt.jar;C:\jdev9\soap\lib\soap
.jar;C:\jdev9\lib\xmlparserv2.jar;C:\jdev9\jlib\javax-ssl-1_2.jar;C:\jd
ev9\jlib\jssl-1_2.jar;C:\jdev9\j2ee\home\lib\activation.jar;C:\jdev9\j2
ee\home\lib\mail.jar;C:\jdev9\j2ee\home\lib\http_client.jar Client
Hello Mike! The current time is Fri Dec 06 11:08:36 EST 2002Process
exited with exit code 0.
4) TCP Tunnel Utility runs correctly
HTTP/1.1 100 ContinueServer: Oracle9iAS (9.0.3.0.0) Containers for
J2EEDate: Fri, 06 Dec 2002 16:14:59 GMTHTTP/1.1 200 OKDate: Fri, 06 Dec
2002 16:14:59 GMTServer: Oracle9iAS (9.0.3.0.0) Containers for
J2EEContent-Length: 517Connection: CloseContent-Type: text/xml;
charset=utf-8<?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:sayHel
loResponse xmlns:ns1="HelloImpl"
SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><ret
urn xsi:type="xsd:string">Hello Mike! The current time is Fri Dec 06
11:15:00 EST
2002</return></ns1:sayHelloResponse></SOAP-ENV:Body></SOAP-ENV:Envelope
>
POST
/WorkspaceStatelessJava-ProjectStatelessJava-context-root/HelloImpl
HTTP/1.1Host: 127.0.0.1:8900Connection: Keep-Alive, TETE: trailers,
deflate, gzip, compressUser-Agent: RPT-HTTPClient/0.3-3SOAPAction:
""Accept-Encoding: deflate, gzip, x-gzip, compress,
x-compressContent-type: text/xml; charset=utf-8Content-length: 441<?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:sayHel
lo xmlns:ns1="HelloImpl"
SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><par
am
xsi:type="xsd:string">Mike</param></ns1:sayHello></SOAP-ENV:Body></SOAP
-ENV:Envelope>
--------------------------

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hi arvind,
i am giving some links pls see.
www.crosschecknet.com/web_services_testing_tools_sap_netweaver.php - 20k -
www.aivea.com/eshipinfo.htm - 107k
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/60046fb9-ac5b-2910-08a6-b7b04b463c62
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/5f3ee9d7-0901-0010-1096-f5b548ac1555
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Waiting for your expert responses.
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<uri>NewsService</uri>

<connection-factory-resource-ref>jms/newsQueueConnectionFactory</connection-factory-resource-ref>
<queue-resource-ref>jms/newsQueue</queue-resource-ref>

<reply-to-connection-factory-resource-ref>jms/newsTopicConnectionFactory</reply-to-connection-factory-resource-ref>
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<display-name>NewsQueue</display-name>
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<ejb-class>oracle.otnsamples.jmswebservice.ejb.NewsQueueEJB</ejb-class>
<transaction-type>Container</transaction-type>
<acknowledge-mode>Auto-acknowledge</acknowledge-mode>
<message-driven-destination>
<destination-type>javax.jms.Queue</destination-type>
</message-driven-destination>
<resource-ref>
<res-ref-name>jms/newsQueue</res-ref-name>
<res-type>javax.jms.Queue</res-type>
<res-auth>Container</res-auth>
</resource-ref>
orion-ejb-jar.xml
<message-driven-deployment name="NewsQueue" max-instances="-1" min-instances="1"
destination-location="jms/newsQueue"
connection-factory-location="jms/newsQueueConnectionFactory"
>
</message-driven-deployment>
hope this helps
Elango

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Hi,
We are getting the following error when trying to access a RESTful web service coming from Apex workspace 4.2.1 and Apex listener 2.1:
ORA-29273: HTTP request failed ORA-06512: at "SYS.UTL_HTTP", line 1130 ORA-29024: Certificate validation failure
In the Debug report, besides the above I also see:
error_backtrace: ORA-06512: at "SYS.UTL_HTTP", line 1130 ORA-06512: at "APEX_040200.WWV_FLOW_WEB_SERVICES", line 543 ORA-06512: at "APEX_040200.WWV_FLOW_WEB_SERVICES", line 1164 ORA-06512: at "APEX_040200.WWV_FLOW_PROCESS", line 396
We get that error whether we use https or http in the URI pointing to the web service. When I test the Web Service in Workspace RESTful service GUI, I get the data back. When I go build an application with a report calling the RESTful Web Service I get that error. Both the Application and the Workspace RESTful services are on the same Apex environment and even the same workspace.
What is odd is that I can actually put the URL of the web service into a browser and I get the data: (using the demo hr data in sample RESTful services.)
IN browser-- https://weblogic-dev.edu/apex/ace/hr/empinfo/
yields:
7839,KING,PRESIDENT,,1981-11-17T05:00:00Z,5000,,10 7698,BLAKE,MANAGER,7839,1981-05-01T04:00:00Z,2850,,30 7782,CLARK,MANAGER,7839,1981-06-09T04:00:00Z,2450,,10 7566,JONES,MANAGER,7839,1981-04-02T05:00:00Z,2975,,20 7788,SCOTT,ANALYST,7566,1982-12-09T05:00:00Z,3000,,20 7902,FORD,ANALYST,7566,1981-12-03T05:00:00Z,3000,,20 7369,SMITH,CLERK,7902,1980-12-17T05:00:00Z,800,,20 7499,ALLEN,SALESMAN,7698,1981-02-20T05:00:00Z,1600,300,30 7521,WARD,SALESMAN,7698,1981-02-22T05:00:00Z,1250,500,30 7654,MARTIN,SALESMAN,7698,1981-09-28T04:00:00Z,1250,1400,30 7844,TURNER,SALESMAN,7698,1981-09-08T04:00:00Z,1500,0,30 7876,ADAMS,CLERK,7788,1983-01-12T05:00:00Z,1100,,20 7900,JAMES,CLERK,7698,1981-12-03T05:00:00Z,950,,30 7934,MILLER,CLERK,7782,1982-01-23T05:00:00Z,1300,,10
Any ideas on what would be causing the Error above in our application?
Thanks,
Pat
Edited by: patfmnd on Mar 11, 2013 3:25 PM
In reviewing the above error, I think we are realizing that we have to have the Weblogic layer SSL cert (actually the CERT from our BigIP load balancer which also does our SSL termination) imported into the Oracle server wallet where Apex is installed. Am I correct?
PM

We resolved our problem. The Apex Administrative Guide made us realize that we had to set up Wallet path in the Instance. This required working with DBAs to follow the Advanced networking guide to get the wallet set up on our server. We then added that path to the Instance configuration. (Manager Instance --> Instance settings). We ran into another other issue related to our implementation of CAS but were able to resolve that, and 'voila' were able to get the sample RESTful service consumed by our application!!
Now to the task of figuring out how to get Basic Auth working between client application and RESTful web service. If anyone has that working, let us know!!
It would be helpful if in the documentation of the Apex 2.x listener or Apex install/configuration there was clear reference to the above steps required for HTTPS access to RESTful web services.
Pat

HOW TO: Connect web service (remote application module) to existing model

Hello.
I have J2EE application which displays some data in an applet, which reads them by a web service. I'd like to use persistence and connect with a web service called by applet to my current model set within a session. I tried to pass a session id to web service (to a function of an application module implementation). I wanted to create a new SessionCookie instance with such a session id and application id which are used for web application session (by ApplicationPoolImpl.createSessionCookie() or with custom session cookie factory). But I don't know how to pass a session and application ids to a sessioncookie creation process (ApplicationPool environment). I tried to use custom EnvInfoProvider, which set my properties, but it passes the params after a SessionCookie instance is created.
Samples ... AppModuleServer - file generated to provide ws functionality. I changed code to use EnvInfoProvider:
public class AppModuleServer extends Object{
public AppModuleServer(){}
public SomeObject[] myCustomFunction(String sessionId){
    AppModuleImpl _am = null;
    String appId="someValue";
    CustomEnvInfoProvider envProvider=new CustomEnvInfoProvider(appId, sessionId);
    try{
      _am=(AppModuleImpl)Configuration.createRootApplicationModule("data.AppModule", "AppModuleLocal", envProvider);
      return _am.myCustomFunction(sSessionId);
    finally{
      if (_am != null)Configuration.releaseRootApplicationModule(_am, false);
}CustomEnvInfoProvider:
public class CustomEnvInfoProvider implements EnvInfoProvider{
private String applicationId;
private String sessionId;
public CustomEnvInfoProvider(String applicationId, String sessionId){
    this.applicationId=applicationId;
    this.sessionId=aessionId;
public Object getInfo(String info, Object environment){
    if(info==null)return null;
    return ((Hashtable)environment).get(info);
public void modifyInitialContext(Object environment){
    if(applicationId!=null)((Hashtable)environment).put("CookieApplicationId", applicationId);
    if(sessionId!=null)((Hashtable)environment).put("SessionId", sessionId);
public int getNumOfRetries(){
    return 2;
}Does anybody knows how to pass information from custom EnvInfoProvider just before a SessionCookie is created (e.g. how to run modifyInitialContext() function). Or another way how to pass these information from a web service base function into ApplicationPoolImpl instance. E.g., there is parameter "properties" whithin a createSessionCookie method of ApplicationPoolImpl, which is null during calling. Is it possible to pass there some additional information?
Thanks for any suggestions.

Use the Web Service Proxy wizard in JDeveloper to create a class that calls your Web service, and then call this class from code in your AM.
http://docs.oracle.com/cd/E16340_01/web.1111/b31974/web_services.htm#CJAHGIEF

Web services (sample application)

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