Thanks for your prompt reply Simon! :)
I am trying your suggestions.

On Fri, Jul 2, 2010 at 10:57 PM, Simon Nash <n...@apache.org> wrote:

> Some suggestions:
>
> 1. The code that creates the contribution isn't correct.  The second
>   argument shouldn't be a null string.  It should be the location of
>   the contents of the contribution.
>
> 2. It looks like the NPE happens because the custom classloader hasn't
>   been set as the thread context classloader before calling the
>   createSCANode() method.
>
>  Simon
>
>
> Blue Diamond wrote:
>
>> Thanks a lot Simon.
>>
>> Now I am trying to start my SCA based app module using a different
>> classloader which is based on a URLClassloader. All my jars & tuscany
>> jars & its depedent jars are in one separated folder.
>>
>> When I am trying to create an SCANode, I get the following exception:
>>
>> Caused by: org.osoa.sca.ServiceRuntimeException:
>> java.lang.NullPointerException
>>        at
>> org.apache.tuscany.sca.node.impl.NodeImpl.<init>(NodeImpl.java:452)
>>        at
>> org.apache.tuscany.sca.node.impl.NodeFactoryImpl.createSCANode(NodeFactoryImpl.java:52)
>>        at
>> com.ca.ucf.remote.sca.bind.tuscany.TuscanySCANodeWrapperFactory.getSCANodeWrapper(TuscanySCANodeWrapperFactory.java:49)
>>        at
>> com.ca.ucf.remote.sca.util.SCANodeUtil.buildClientSCANode(SCANodeUtil.java:147)
>>        ... 7 more
>> Caused by: java.lang.NullPointerException
>>        at
>> org.apache.tuscany.sca.node.impl.RuntimeBootStrapper.start(RuntimeBootStrapper.java:116)
>>        at
>> org.apache.tuscany.sca.node.impl.NodeImpl.initRuntime(NodeImpl.java:473)
>>        at
>> org.apache.tuscany.sca.node.impl.NodeImpl.<init>(NodeImpl.java:412)
>>        ... 10 more
>>
>>
>> There a NPE @ line 116 in RuntimeBootStrapper [[[ code shown below ]]]]:
>> [[[[[[[[[[[[
>>        // Get work scheduler
>>        workScheduler = utilities.getUtility(WorkScheduler.class);
>> ]]]]]]]]]]]]
>>
>>
>> my SCANode creation logic is as follows:
>>
>>                String contribName = "myservice-contribution.xml";
>>                SCAContribution contrib = new SCAContribution(contribName,
>> "");
>>
>>                // create SCA Node
>>                SCANode node =
>> SCANodeFactory.newInstance().createSCANode(compositeName,
>> compositeXml,
>>                                contrib);
>>
>>
>> Any guesses what the problem could be? I am badly in need of this
>> solution. I just need an SCANode to create successfully & everything
>> else will work for me. Please help.
>>
>> Thanks & Regards,
>> Anil
>>
>> On 7/2/10, Simon Nash <n...@apache.org> wrote:
>>
>>> Blue Diamond wrote:
>>>
>>>> Hi,
>>>>
>>>> I have a doubt regarding the way it works with NodeLauncher.
>>>>
>>>> Say I have got all tuscany jars & my services loaded using a different
>>>> classloader thru NodeLauncher. But I have a requirement that I need to
>>>> inject my application objects into these SCA services. Will this work?
>>>>
>>>> My objects are loaded by my classloader & when I inject it into SCA
>>>> services which are loaded by a different classloader, the assignment
>>>> will fail with a ClassCastException I think.
>>>>
>>>> Or is there something Tuscany does to make this work? Any work arounds?
>>>>
>>>> Thanks & Regards,
>>>> Anil
>>>>
>>>>  I think this injection would work OK because the application
>>> classloader
>>> would be the parent of the Tuscany runtime classloader, making the
>>> application classes visible to the Tuscany runtime but not vice versa.
>>> Do you have a test case that shows a problem when you try to do this?
>>>
>>>   Simon
>>>
>>>>
>>>> On Mon, Jun 14, 2010 at 7:57 PM, Malisetti, Ramanjaneyulu
>>>> <ramanjaneyulu.malise...@ca.com <mailto:ramanjaneyulu.malise...@ca.com
>>>> >>
>>>> wrote:
>>>>
>>>>    Mike,
>>>>           We are using Tuscany 1.6. we could not use Tuscany 2.0 as it
>>>>    doesn't have all features we are looking  for.
>>>>
>>>>    Regards
>>>>    Raman
>>>>
>>>>    -----Original Message-----
>>>>    From: Mike Edwards [mailto:mike.edwards.inglen...@gmail.com
>>>>    <mailto:mike.edwards.inglen...@gmail.com>]
>>>>    Sent: Saturday, June 12, 2010 11:48 AM
>>>>    To: user@tuscany.apache.org <mailto:user@tuscany.apache.org>
>>>>    Subject: Re: Does SCA 1.6 supports Axis 1.5
>>>>
>>>>    Malisetti, Ramanjaneyulu wrote:
>>>>     > Thanks for the information.
>>>>     >
>>>>     >
>>>>     > We are not using Axis-1.5.1 directly.  But, one of the component
>>>> that
>>>>    is going to run along with the modules developed on SCA is using.
>>>> They
>>>>    don't have any proper reason other than they can't change it now from
>>>>    1.5.1 to 1.4.1 because that component is already shipped to
>>>> customers.
>>>>     >
>>>>     > So, it is a circular dependency for us.
>>>>     >
>>>>     >
>>>>     > Do you have any suggestion to come out this flux.
>>>>     >
>>>>     > Regards
>>>>     > Raman
>>>>    Raman,
>>>>
>>>>    Have you considered using Tuscany running under OSGi?
>>>>
>>>>    OSGi is able to handle the use of different versions of the same
>>>>    packages in one application.
>>>>
>>>>    I routinely do my work under OSGi, using the node-launcher-equinox
>>>>    module to start Tuscany, although
>>>>    this is all done on Tuscany 2.x rather than 1.6.
>>>>
>>>>
>>>>    Yours,  Mike.
>>>>
>>>>
>>>>
>>>
>>
>>
>

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