Problem calling WebService from Oracle Forms created by JDeveloper

Question

Hi All,
I am trying to call a Webservice from Oracle Form using JAVA Class created by Oracle JDeveloper.
The Java Function (in JDeveloper) is as follows:
public Vector GetPIValue(String TagName, String ReadingTime) throws Exception
URL endpointURL = new URL(endpoint);
Envelope requestEnv = new Envelope();
Body requestBody = new Body();
Vector requestBodyEntries = new Vector();
requestBodyEntries.addElement(TagName);
requestBodyEntries.addElement(ReadingTime);
requestBody.setBodyEntries(requestBodyEntries);
requestEnv.setBody(requestBody);
Message msg = new Message();
msg.send(endpointURL, "http://tempuri.org/GetPIValue", requestEnv);
Envelope responseEnv = msg.receiveEnvelope();
Body responseBody = responseEnv.getBody();
return responseBody.getBodyEntries();
When this Class is Imported into Oracle Forms the Function is converted into the following PL/SQL code:
FUNCTION GetPIValue(
obj ORA_JAVA.JOBJECT,
a0 VARCHAR2,
a1 VARCHAR2) RETURN ORA_JAVA.JOBJECT IS
BEGIN
Message('param passed: '||a0||' - '||a1);
cls := JNI.GET_CLASS('oracle/forms/demos/webservice/ConnectToPIStub');
mid := JNI.GET_METHOD(FALSE, cls, 'GetPIValue', '(Ljava/lang/String;Ljava/lang/String;)Ljava/util/Vector;');
args := JNI.CREATE_ARG_LIST(2);
JNI.ADD_STRING_ARG(args, a0);
JNI.ADD_STRING_ARG(args, a1);
Message('I am Here');
RETURN JNI.CALL_OBJECT_METHOD(obj, mid, args);
END;
When I am calling this Function from Within Forms and Passing into it the Parameters, I am displaying some Debugging Messages. When the Code reaches "JNI.CALL_OBJECT_METHOD" there is NO RESPONSE from the Webservice and nothing is moving forward after this Point...
A similar Webservice that can be Tested is:
http://www.webservicex.com/CurrencyConvertor.asmx
with WSDL file:
http://www.webservicex.com/CurrencyConvertor.asmx?wsdl
Kindly note that this Webservice is running properly from the Web Browser but the call from Oracle Forms is not Succeeding!!!! :-((
Any help is much appreciated.
Regards,
Baz

Answer 1

Hi,
Yes, you need to compile your source files with JDK 1.3 (since JInit 1.3.x.x uses JDK 1.3).
Other solution would be to use JRE 1.5 (instead of JInitiator).
Check out [this thread|http://forums.oracle.com/forums/thread.jspa?threadID=550563] on how to use JRE1.5
-Arun