Web Services Parameters that are Arrays

I am evaluating HTML DB to see if it would be possible to create a simple application that calls a web service.
The web service was generated using JDeveloper and wraps up a PL/SQL function that takes an object type with several fields as an input parameter and a table of object types as the output parameter.
The Web service therefore has an input parameter that is an single object containing several input fields and an output parameter that is an array of objects containing several result fields.
The HTML DB 'test web service' or 'Create a form from a Web Service' does not recognise these input or output parameters, although the 'Web Service Reference' does list all the input and output parameters.
I am assumming that there is a coding solution when using these kind of parameters but I cannot find any obvious guidence for this.
Can anyone help or point me in the right direction?
Thanks

I have this same problem...
Is it a bug?
It's strange because other web services work fine
is it because we are using the wrong format or version wsdl?
anyone have any ideas?

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    java.lang.NullPointerException
    at com.bea.xml.marshal.AtomicValueMPlan.marshal(AtomicValueMPlan.java:90)
    at com.bea.xml.marshal.BaseMPlan.marshal(BaseMPlan.java:337)
    at com.bea.xml.marshal.MarshalContext.writeElementObjectOrHref(MarshalContext.java:426)
    at com.bea.xml.marshal.BaseMPlan.writeValueUsingStrategy(BaseMPlan.java:307)
    at com.bea.xml.marshal.BaseMPlan.marshal(BaseMPlan.java:349)
    at com.bea.xml.marshal.MarshalContext.writeElementObjectOrHref(MarshalContext.java:426)
    at com.bea.xml.marshal.BaseMPlan.writeValueUsingStrategy(BaseMPlan.java:307)
    at com.bea.xml.marshal.BaseMPlan.marshal(BaseMPlan.java:349)
    at com.bea.xml.marshal.MethodMPlan.marshal(MethodMPlan.java:260)
    at com.bea.wlw.runtime.core.dispatcher.DispMessage.marshalXml(DispMessage.java:386)
    at com.bea.wlw.runtime.jws.call.SoapCall.<init>(SoapCall.java:150)
    at com.bea.wlw.runtime.jws.call.SoapHttpCall.<init>(SoapHttpCall.java:61)
    at com.bea.wlw.runtime.core.control.ServiceControlImpl.invoke(ServiceControlImpl.jcs:559)
    at com.bea.wlw.runtime.core.dispatcher.DispMethod.invoke(DispMethod.java:359)
    at com.bea.wlw.runtime.core.container.Invocable.invoke(Invocable.java:420)
    at com.bea.wlw.runtime.core.container.Invocable.invoke(Invocable.java:393)
    at com.bea.wlw.runtime.jcs.container.JcsProxy.invoke(JcsProxy.java:387)
    at $Proxy8.DocLitQueryByExample(Unknown Source)
    at doc_lit_bs.bs_doc_litControlTest.DocLitQueryByExample(bs_doc_litControlTest.jws:31)
    i checked the line of code in the jws file and it looks like this:
    public doc_lit_bs.bs_doc_litControl.ListOfSampleAccount DocLitQueryByExample(java.lang.String
    AccountName)
    doc_lit_bs.bs_doc_litControl.ListOfSampleAccount response;
    doc_lit_bs.bs_doc_litControl.ListOfSampleAccount ListOfSampleAccount =
    new doc_lit_bs.bs_doc_litControl.ListOfSampleAccount();
    doc_lit_bs.bs_doc_litControl.Account account = new doc_lit_bs.bs_doc_litControl.Account
    account.Name = AccountName;
    ListOfSampleAccount.Account = account;
    response = bs_doc_litControl.DocLitQueryByExample (ListOfSampleAccount);
    /* line 31 */
    return (response);
    what could be the problem? and how may i resolve this? any help is greatly appreciated.

    Hello,
    There was an NPE problem reported and resolved (CR117566) concerning
    using "mixed" ComplexType, something like:
    <?xml version="1.0"?>
    <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";>
    <xs:complexType name="fooType" mixed="true"/>
    <xs:element name="root" type="fooType"/>
    </xs:schema>
    Generally speaking, an NPE will be a bug. Can you provide an small
    example that generated the NPE to the support team, it would be very
    helpful in resolving this issue.
    Thanks,
    Bruce
    Bolei wrote:
    >
    i took some wsdl file and generated a web service control in BEA Workshop 8.1.
    from the jcx file, i generated the jws test file.
    now, the webservice takes in a complex argument as an input. as a result, i added
    specialized code in the jws test file to construct the complex type to pass into
    the web service control. it compiled/built fine. but when i do the actual testing,
    i get the following error:
    java.lang.NullPointerException
    at com.bea.xml.marshal.AtomicValueMPlan.marshal(AtomicValueMPlan.java:90)
    at com.bea.xml.marshal.BaseMPlan.marshal(BaseMPlan.java:337)
    at com.bea.xml.marshal.MarshalContext.writeElementObjectOrHref(MarshalContext.java:426)
    at com.bea.xml.marshal.BaseMPlan.writeValueUsingStrategy(BaseMPlan.java:307)
    at com.bea.xml.marshal.BaseMPlan.marshal(BaseMPlan.java:349)
    at com.bea.xml.marshal.MarshalContext.writeElementObjectOrHref(MarshalContext.java:426)
    at com.bea.xml.marshal.BaseMPlan.writeValueUsingStrategy(BaseMPlan.java:307)
    at com.bea.xml.marshal.BaseMPlan.marshal(BaseMPlan.java:349)
    at com.bea.xml.marshal.MethodMPlan.marshal(MethodMPlan.java:260)
    at com.bea.wlw.runtime.core.dispatcher.DispMessage.marshalXml(DispMessage.java:386)
    at com.bea.wlw.runtime.jws.call.SoapCall.<init>(SoapCall.java:150)
    at com.bea.wlw.runtime.jws.call.SoapHttpCall.<init>(SoapHttpCall.java:61)
    at com.bea.wlw.runtime.core.control.ServiceControlImpl.invoke(ServiceControlImpl.jcs:559)
    at com.bea.wlw.runtime.core.dispatcher.DispMethod.invoke(DispMethod.java:359)
    at com.bea.wlw.runtime.core.container.Invocable.invoke(Invocable.java:420)
    at com.bea.wlw.runtime.core.container.Invocable.invoke(Invocable.java:393)
    at com.bea.wlw.runtime.jcs.container.JcsProxy.invoke(JcsProxy.java:387)
    at $Proxy8.DocLitQueryByExample(Unknown Source)
    at doc_lit_bs.bs_doc_litControlTest.DocLitQueryByExample(bs_doc_litControlTest.jws:31)
    i checked the line of code in the jws file and it looks like this:
    public doc_lit_bs.bs_doc_litControl.ListOfSampleAccount DocLitQueryByExample(java.lang.String
    AccountName)
    doc_lit_bs.bs_doc_litControl.ListOfSampleAccount response;
    doc_lit_bs.bs_doc_litControl.ListOfSampleAccount ListOfSampleAccount =
    new doc_lit_bs.bs_doc_litControl.ListOfSampleAccount();
    doc_lit_bs.bs_doc_litControl.Account account = new doc_lit_bs.bs_doc_litControl.Account
    account.Name = AccountName;
    ListOfSampleAccount.Account = account;
    response = bs_doc_litControl.DocLitQueryByExample (ListOfSampleAccount);
    /* line 31 */
    return (response);
    what could be the problem? and how may i resolve this? any help is greatly appreciated.

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