Just for those going through the examples of Oracle BPEL that are delivered with the SOA Suite 10.1.3.1: There is a minor issue with the supplied service ‘StockQuoteService’ which is in the ‘/samples/tools’ directory and is used in some of the supplied tutorials. If you run this service, it will always return ‘0.00′, for every symbol.
This is caused by the Java code that is used in the StockQuiteService.bpel file. If you view the source of this file you will see somewehere in the file the line:
String symbol = el.getNodeValue();
This always returns ‘null’ since the nodeValue of an element is ‘null’ by definition. See the javadoc of the w3c Element object. By modifying the code to:
String symbol = el.getFirstChild().getNodeValue();
you will get the expected result for an existing symbol.

For a web-application I once created a web service proxy to communicate with a web service. In this same application we also communicated with BPEL by using the HumanWorkflow API. Why this is important to know I will explain later.
Creating the proxy was a really simple thing to do with JDeveloper 10.1.3. Just run the wizard and select the corresponding WSDL and voila. I had done this many times with JDev 10.1.2. but this time the generated webservice proxy gave compile errors! And I had done nothing exotic whatsoever!
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For my last project we had to get access to the HumanWorkflow Tasklist that was created and maintained by Oracle BPEL 10.1.3.1. For this purpose BPEL comes with an API that should be used. However, for the latest release there isn’t very much documentation about it. After searching the internet I ended up in this thread of the BPEL forum.
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