Consuming Web Services in 11.2 does not work ??

Hello,
Did anyone manage to call a Web Service from Oracle 11.2 database?
We wanted to call a web service from Oracle, so for example if I execute:
SELECT add_numbers(1, 5) FROM dual;
from my database, I get the result 6.
Cool thing is that the add_numbers function is not in my database, but in a database somewhere in the cloud, and I access the function as a web service.
Oracle provides step-by-step documentation how to do it, but we couldn't make it working by following the docs. It was done on a clean Oracle 11.2 database install.
We followed the instructions from: http://www.oracle.com/technology/sample_code/tech/java/jsp/callout_users_guide.htm
The main part of the job is to:
1) Load the java classes into the Oracle database by issuing the following command: % loadjava -u sys\<password> -r -v -f -genmissing dbwsclientws.jar dbwsclientdb11.jar
2) Install the UTL_DBWS package into the database (it is not installed by default in 11g):
SQL> @?/sqlj/lib/utl_dbws_decl.sql
SQL> @?/sqlj/lib/utl_dbws_body.sql
We loaded the classes into the SYS user and installed the UTL_DBWS package into the SYS user as well.
3) Create a function that uses UTL_DBWS package to call a web service: http://www.oracle-base.com/articles/10g/utl_dbws10g.php
However, when we tried to run the add_numbers function, it returned an error from the UTL_DBWS package, from the create_service function (line 190), the function returned that the java class that it calls does not exist:
ORA-29532: Java call terminated by uncaught Java exception: java.lang.IllegalAccessException: java.lang.NoClassDefFoundError
ORA-06512: at "SYS.UTL_DBWS", line 193
ORA-06512: at "SYS.UTL_DBWS", line 190
ORA-06512: at "SYS.ADD_NUMBERS", line 25
Line 193 in UTL_DBWS package goes like this:
function create_service_proxy(wsdl_Document_Location VARCHAR2, service_Name VARCHAR2) return SERVICE
as language java
name 'oracle.jpub.runtime.dbws.DbwsProxy.createService(java.lang.String,java.lang.String) return long';
However, this makes no sense because the class is loaded:
select dbms_java.longname(object_name), status, object_type from all_objects where
object_name like '%DbwsProxy%'
and object_type = 'JAVA CLASS'
Output:
oracle/jpub/runtime/dbws/DbwsProxy$1;VALID;JAVA CLASS
oracle/jpub/runtime/dbws/DbwsProxy$CallProxy;VALID;JAVA CLASS
oracle/jpub/runtime/dbws/DbwsProxy$ServiceProxy;VALID;JAVA CLASS
oracle/jpub/runtime/dbws/DbwsProxy;VALID;JAVA CLASS
Anyone knows the cause of the exception?
Edited by: user8938058 on Feb 1, 2011 2:08 AM

I had the same problem. For me below code works:
CREATE OR REPLACE FUNCTION SYS.add_numbers (p_int_1 IN NUMBER,
p_int_2 IN NUMBER)
RETURN NUMBER
AS
l_service UTL_DBWS.service;
l_call UTL_DBWS.call;
l_wsdl_url VARCHAR2(32767);
l_namespace VARCHAR2(32767);
l_service_qname UTL_DBWS.qname;
l_port_qname UTL_DBWS.qname;
l_operation_qname UTL_DBWS.qname;
l_xmltype_in SYS.XMLTYPE;
l_xmltype_out SYS.XMLTYPE;
l_return NUMBER;
BEGIN
l_wsdl_url := 'http://www.oracle-base.com/webservices/server.php?wsdl';
l_namespace := 'http://www.oracle-base.com/webservices/';
l_service_qname := UTL_DBWS.to_qname(l_namespace, 'Calculator');
l_port_qname := UTL_DBWS.to_qname(l_namespace, 'CalculatorPort');
l_operation_qname := UTL_DBWS.to_qname(l_namespace, 'ws_add');
l_service := UTL_DBWS.create_service (
service_name => l_service_qname);
l_call := UTL_DBWS.create_call (
service_handle => l_service);
utl_dbws.set_target_endpoint_address(l_call, 'http://www.oracle-base.com/webservices/server.php');
utl_dbws.set_property( l_call, 'OPERATION_STYLE', 'rpc');
l_xmltype_in := SYS.XMLTYPE('<?xml version="1.0" encoding="utf-8"?>
<ws_add xmlns="' || l_namespace || '">
<int1>' || p_int_1 || '</int1>
<int2>' || p_int_2 || '</int2>
</ws_add>');
l_xmltype_out := UTL_DBWS.invoke(call_Handle => l_call,
request => l_xmltype_in);
UTL_DBWS.release_call (call_handle => l_call);
UTL_DBWS.release_service (service_handle => l_service);
l_return := l_xmltype_out.extract('//return/text()').getNumberVal();
RETURN l_return;
END;
It seems that the problem is with class oracle.jpub.runtime.dbws.DbwsProxy.createService(java.lang.String,java.lang.String) return long
I rewrite your example that it uses oracle.jpub.runtime.dbws.DbwsProxy.createService(java.lang.String) return long
In the database log I get this stacktrace:
*** 2011-06-03 11:22:37.390
ServiceFacotory: oracle.j2ee.ws.client.ServiceFactoryImpl@3b689a27
WSDL: http://www.oracle-base.com/webservices/server.php?wsdl
ERROR: java.lang.ExceptionInInitializerError
java.lang.ExceptionInInitializerError
     at oracle.j2ee.ws.wsdl.xml.WSDLReaderImpl.readDocument(WSDLReaderImpl.java:309)
     at oracle.j2ee.ws.wsdl.xml.WSDLReaderImpl.readWSDL(WSDLReaderImpl.java:275)
     at oracle.j2ee.ws.wsdl.xml.WSDLReaderImpl.readWSDL(WSDLReaderImpl.java:462)
     at oracle.j2ee.ws.wsdl.xml.WSDLReaderImpl.readWSDL(WSDLReaderImpl.java:440)
     at oracle.j2ee.ws.common.processor.modeler.wsdl.WSDLModeler.buildModel(WSDLModeler.java:161)
     at oracle.j2ee.ws.common.processor.config.ModelInfo.buildModel(ModelInfo.java:167)
     at oracle.j2ee.ws.client.dii.ServiceInfoBuilder.getModel(ServiceInfoBuilder.java:196)
     at oracle.j2ee.ws.client.dii.ServiceInfoBuilder.getModel(ServiceInfoBuilder.java:181)
     at oracle.j2ee.ws.client.dii.ServiceInfoBuilder.buildServiceInfo(ServiceInfoBuilder.java:114)
     at oracle.j2ee.ws.client.dii.ConfiguredService.<init>(ConfiguredService.java:54)
     at oracle.j2ee.ws.client.ServiceFactoryImpl.createService(ServiceFactoryImpl.java:43)
     at oracle.jpub.runtime.dbws.DbwsProxy$ServiceProxy.<init>(Unknown Source)
     at oracle.jpub.runtime.dbws.DbwsProxy$ServiceProxy.<init>(Unknown Source)
     at oracle.jpub.runtime.dbws.DbwsProxy.createService(Unknown Source)
Caused by: java.util.MissingResourceException: Can't find oracle.j2ee.ws.wsdl.ORAWSDLMessageBundle bundle
     at java.util.logging.Logger.setupResourceInfo(Logger.java:1285)
     at java.util.logging.Logger.<init>(Logger.java:203)
     at java.util.logging.Logger.getLogger(Logger.java:271)
     at oracle.j2ee.ws.wsdl.ORAWSDLMessages.<clinit>(ORAWSDLMessages.java:14)
     ... 14 more
java.lang.IllegalAccessException: java.lang.ExceptionInInitializerError
     at oracle.jpub.runtime.dbws.DbwsProxy.createService(Unknown Source)
ServiceFacotory: oracle.j2ee.ws.client.ServiceFactoryImpl@3b689a27
WSDL: http://www.oracle-base.com/webservices/server.php?wsdl
ERROR: java.lang.NoClassDefFoundError
java.lang.NoClassDefFoundError
     at oracle.j2ee.ws.wsdl.xml.WSDLReaderImpl.readDocument(WSDLReaderImpl.java:309)
     at oracle.j2ee.ws.wsdl.xml.WSDLReaderImpl.readWSDL(WSDLReaderImpl.java:275)
     at oracle.j2ee.ws.wsdl.xml.WSDLReaderImpl.readWSDL(WSDLReaderImpl.java:462)
     at oracle.j2ee.ws.wsdl.xml.WSDLReaderImpl.readWSDL(WSDLReaderImpl.java:440)
     at oracle.j2ee.ws.common.processor.modeler.wsdl.WSDLModeler.buildModel(WSDLModeler.java:161)
     at oracle.j2ee.ws.common.processor.config.ModelInfo.buildModel(ModelInfo.java:167)
     at oracle.j2ee.ws.client.dii.ServiceInfoBuilder.getModel(ServiceInfoBuilder.java:196)
     at oracle.j2ee.ws.client.dii.ServiceInfoBuilder.getModel(ServiceInfoBuilder.java:181)
     at oracle.j2ee.ws.client.dii.ServiceInfoBuilder.buildServiceInfo(ServiceInfoBuilder.java:114)
     at oracle.j2ee.ws.client.dii.ConfiguredService.<init>(ConfiguredService.java:54)
     at oracle.j2ee.ws.client.ServiceFactoryImpl.createService(ServiceFactoryImpl.java:43)
     at oracle.jpub.runtime.dbws.DbwsProxy$ServiceProxy.<init>(Unknown Source)
     at oracle.jpub.runtime.dbws.DbwsProxy$ServiceProxy.<init>(Unknown Source)
     at oracle.jpub.runtime.dbws.DbwsProxy.createService(Unknown Source)
java.lang.IllegalAccessException: java.lang.NoClassDefFoundError
     at oracle.jpub.runtime.dbws.DbwsProxy.createService(Unknown Source)
Maybe somebody explain why if I use function create_service(wsdl_Document_Location URITYPE, service_Name QNAME)
RETURN SERVICE it throws ORA-29532: Java call terminated by uncaught Java exception: java.lang.IllegalAccessException: java.lang.NoClassDefFoundError
and when I use function create_service(service_Name QNAME) RETURN SERVICE it works ?
Please help
Edited by: user10200937 on 2011-06-03 03:14

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http://www.oracle-base.com/articles/10g/utl_dbws10g.php
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Hi,
I'm usung SOA Suite 10.1.3.1 and Eclipse WTP 3.2.2.
The thing is that I developed a Web Service with Eclipse using the plugin for generating web services. Then I exported my project to a .war file from eclipse as well.
For deploy my web service in oc4j, I tried from the oc4j console in Applications --> Deploy and Next-Next wizard and using the .war file generated by Eclipse. I got the application deployed and I can check that the wsdl is working in http://localhost:8888/Hello_Web2/services/Hello?wsdl
But the main problem is when I try to deploy using the admin_client command tool running the command: java -jar admin_client.jar deployer:oc4j:opmn://localhost/home oc4jadmin welcome1 -deploy -file d:\TEMP\Hello_Web.war -deploymentName Web5 -contextRoot "/". Everything seems right, I can see the application created in the console, but when I try to access to the web service using "http://localhost:8888/Hello_Web2/services/Hello?wsdl" I get and Http 404.
What is wrong with the command method?
Many thanks in Advance,
Alberto

Hi,
As the custom web part works well in other browsers, the issue may be related to the IE itself.
Have you tried the methods below?
Use compatibility mode to check whether it works.
Open IE->Tools->Compatibility View Settings
Add the site into Trusted sites to check whether it works.
Open the IE->Internet Options->Security->Trusted Sites->add the site into the zone
What’s more, you can also switch the Document mode to IE 10 or lower to check whether it works.
Thanks & Regards,
Jason
Jason Guo
TechNet Community Support

RAR Web service violation limit setting does not seem to work

In RAR under config - preformance tuning one can configure the limit for violations of the webservice between RAR and CUP.
If I set this to 20000, 100000 or even 1.5 miillion I still get the message:
Risk analysis failed: EXCEPTION_FROM_THE_SERVICEViolations exceeds the threshold limit
Even though the CUP request only hold a very limited number of violations.
Does this setting require a server restart or a webservice restart before it works? Or is this a bug in AC 5.3 SP 11.2?
Edited by: S. Pados on Aug 12, 2010 10:45 AM

Thanks Sunny,
But info in the note is well known with us. We have set the parameter however it seems to be ignored as the user in CUP request has a low number of violations and we still get the error even though the threshold has a very high value.

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I have followed the instructions in this article, including the last step about web start, but it still does not work, neither applets or web start. When I try to launch a JWS application by double clicking it I get the dreaded warning dialog:
To open this Web Start application, you need to download the Java Runtime Environment.
Click “More Info…” to visit the website for the Java Runtime Environment.
I do have a JRE installed, 1.6, since I for compatibility reasons can't upgrade.
Trying to launch a web start application from the commandline looks like this:
$ javaws /tmp/airview.jnlp
Java Web Start splash screen process exiting ...
Can not find message file: No such file or directory
Regular Java-programs work fine.
$ java -version
java version "1.6.0_37"
Java(TM) SE Runtime Environment (build 1.6.0_37-b06-434-11M3909)
Java HotSpot(TM) 64-Bit Server VM (build 20.12-b01-434, mixed mode)

Read this thread https://discussions.apple.com/thread/4789691?tstart=0
This fixed the issue for me:
sudo /usr/libexec/PlistBuddy -c "Delete :JavaWebComponentVersionMinimum" /System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/XProtect.meta. plist
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INSTALLED BUT DOES NOT WORK

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What is your operating system & version?
What is your web browser?
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I wrote a Hello web service with a method and with a parameter, and import WSDL in delphi, All works very well. But when I add two parameters I receive the error below:
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at org.jboss.axis.description.ServiceDesc.syncOperationToClass(ServiceDesc.java:710)
at org.jboss.axis.description.ServiceDesc.getSyncedOperationsForName(ServiceDesc.java:1187)
at org.jboss.axis.description.ServiceDesc.loadServiceDescByIntrospectionRecursive(ServiceDesc.java:1045)
at org.jboss.axis.description.ServiceDesc.loadServiceDescByIntrospection(ServiceDesc.java:972)
Using the google I discovery this tutorial.
http://www.javapassion.com/planning/handsonbyol/netbeanswebservices
I wrote a calculator web service with Netbeans and deploy it on jboss-4.0.3.
So I was change my project parameters to change wscompile parameters: rpcliteral, strict
When I execute the code: x = calc.add(a, b)
I receive another error:
faultDetail:
{http://xml.apache.org/axis/}stackTrace: javax.xml.rpc.JAXRPCException: No such operation 'int_1'
at org.jboss.axis.providers.java.RPCInvocation.prepareFromRequestEnvelope(RPCInvocation.java:273)
at org.jboss.axis.providers.java.RPCProvider.processMessage(RPCProvider.java:103)
at org.jboss.axis.providers.java.JavaProvider.invoke(JavaProvider.java:358)
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[]s, Welington B. Souza

Welington,
Could you post the source of the web service that gives you the error?

Consuming Web Service In Visual Studio

Hi there:
I'm using the sneak preview of SAP NetWeaver 2004s ABAP Server and am able to consume in Visual Studio 2005 (C#) all the 'delivered' Web Services without any problems. However, when I create a Web Service through SE37 or SE80 (Wizard WS_WZD_START) using a BAPI or Remote enabled RFC (ie RFC_READ_TABLE) I am getting a error when I try to call it in Visual Studio. In Visual Studio, I am able to add the reference (http://localhost:8000/sap/bc/srt/rfc/sap/ZRFC_READ_TABLE?WSDL) no problem. When I call it though, I get {"Unable to connect to the remote server"}, with inner exception {"No connection could be made because the target machine actively refused it"}.
I am providing the credentials (username and password) in the code which are the same as when I go to retrieve the reference.
Any help would be greatly appreciated.
Thanks
Russ

Hi Russ,
I had similar problems. You should download the WSDL file to the local file system. Then you can add the downloaded WSDL file as a Web reference rather than using a URL.
Please note the following issue:
You have to provide the full qualified path <b>including</b> the file name in the text box for the URL and then press Go.
For example:
<i>
C:\Documents and Settings\USERID\My Documents\downloads\SAP\WebServices
Z_BAPI_CUSTOMER_FIND_VI.wsdl
</i>
If you just provide the path and try to select the WSDL file this probably does not work. At least it was not working for me.
Best regards,
Andre

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