Hi Ivan, could you raise a JIRA for this and if possible attach to it
the sca contribution you're trying to get to work, and I or someone
else will try to get it fixed for you.
...ant
On Thu, Dec 17, 2009 at 5:40 PM, Raymond Feng <enjoyj...@gmail.com> wrote:
> The property compatibility check we have in Tuscany seems to be too
> restrictive. In your case, the componentType property is declared in java
> and no XSD element can be inferred.
>
> The SCA assembly spec says:
>
> 1109 Two property types are compatible if they have the same XSD type (where
> declared as XSD types) or the
> 1110 same XSD global element (where declared as XSD global elements). For
> cases where the type of a
> 1111 property is declared using a different type system (eg Java), then the
> type of the property is mapped to
> 1112 XSD using the mapping rules defined by the appropriate implementation
> type specification
>
> If the mapped XSD type for the java property (componentType property) is the
> same as the one behind the XSD global element for the component property, we
> should take them as compatible.
>
> Thanks,
> Raymond
> --------------------------------------------------
> From: "keinmensch" <keinmen...@mailhaven.com>
> Sent: Thursday, December 17, 2009 6:46 AM
> To: <user@tuscany.apache.org>
> Subject: Re: Non-Simple Property Injected with XML Fails with NPE
>
>> Hi again!
>> So, I have become desperate :-) and started poking around in the Tuscany
>> source code.
>> The NullPointerException that I experienced earlier is caused by a
>> component type property having a null XSD element. I modified the code,
>> as below, to avoid the NullPointerException.
>> [code]
>> ...
>> // check that the types specified in the component type and
>> component property match
>> if (componentProperty.getXSDElement() != null
>> && !componentProperty.getXSDElement().equals(
>> componentTypeProperty.getXSDElement()))
>> {
>> // MY MODIFICATION HERE.
>> String theCompTypePropXSDElem = "[not available]";
>> if (componentTypeProperty
>> .getXSDElement() != null)
>> {
>> theCompTypePropXSDElem =
>> componentTypeProperty.getXSDElement().toString();
>> }
>> Monitor.error(monitor, this, Messages.ASSEMBLY_VALIDATION,
>> "PropertXSDElementsDontMatch", component.getName(),
>> componentProperty.getName(), componentProperty
>> .getXSDElement().toString(),
>> theCompTypePropXSDElem);
>> }
>> ...
>> [/code]
>>
>> With this modification in place, I now receive the following messages in
>> the log:
>>
>> Dec 17, 2009 10:28:54 PM
>> org.apache.tuscany.sca.builder.impl.ComponentBuilderImpl [Composite:
>> {http://docs.oasis-open.org/ns/opencsa/sca/200
>> 903}, Component: ServiceComponent1] (PropertXSDElementsDontMatch)
>> SEVERE: [ASM_5036] The property component ServiceComponent1 property
>> myComplexProp has XSD element {http://foo.com}fooElement while its comp
>> onent type property has the XSD element [not available]
>> java.lang.IllegalStateException:
>> org.oasisopen.sca.ServiceRuntimeException: [Composite:
>> {http://docs.oasis-open.org/ns/opencsa/sca/200903},
>> Component: ServiceComponent1] - [ASM_5036] The property component
>> ServiceComponent1 property myComplexProp has XSD element {http://foo.com}f
>> ooElement while its component type property has the XSD element [not
>> available]
>> at org.apache.tuscany.sca.node.impl.NodeImpl.start(NodeImpl.java:176)
>> at
>>
>> com.ivan.SmallPropertyTestMain.doStuffTuscany2(SmallPropertyTestMain.java:58)
>> at com.ivan.SmallPropertyTestMain.main(SmallPropertyTestMain.java:29)
>> Caused by: org.oasisopen.sca.ServiceRuntimeException: [Composite:
>> {http://docs.oasis-open.org/ns/opencsa/sca/200903}, Component: ServiceComp
>> onent1] - [ASM_5036] The property component ServiceComponent1 property
>> myComplexProp has XSD element {http://foo.com}fooElement while its co
>> mponent type property has the XSD element [not available]
>> at
>>
>> org.apache.tuscany.sca.node.impl.NodeFactoryImpl.analyzeProblems(NodeFactoryImpl.java:174)
>> at
>>
>> org.apache.tuscany.sca.node.impl.NodeFactoryImpl.configureNode(NodeFactoryImpl.java:275)
>> at org.apache.tuscany.sca.node.impl.NodeImpl.start(NodeImpl.java:135)
>> ... 2 more
>> Exception in thread "main" java.lang.NullPointerException
>> at com.ivan.SmallPropertyTestMain.main(SmallPropertyTestMain.java:31)
>>
>> The question is: Why is the component type property null?
>> Isn't the property type supposed to be inferred from the field annotated
>> by the @Property annotation or have I misunderstood?
>> Best wishes,
>> Ivan
>
>
