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MQSeries.net Forum Index » WebSphere Process Server (WID/WPS/WAS+) » Error Implementing an interface from Library Module.

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venky
PostPosted: Mon Dec 17, 2007 11:14 am    Post subject: Error Implementing an interface from Library Module. Reply with quote

Master

Joined: 08 Jul 2003
Posts: 205
Hi All,

I've created a mediation library with an interface and few business objects in it. The interface has one input dataobject ( the input dataobject has a child of an array of dataobjects). The output for the interface also has a similar structure to the input.

I created a mediation module and implemented the above interface using a Java SCA component. When I tried to access the array of dataobjects inside the input dataobject using getList("BoName") - then I am getting the following error. (I added the library in this module's dependancy)

"Exception data: java.lang.ClassCastException: java.util.ArrayList."

The same works well if I don't have a library and declare the interface and BOs in the same mediation module where I have the implementation.

Any suggestions ?

Thanks, V.
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fjb_saper
PostPosted: Mon Dec 17, 2007 1:22 pm    Post subject: Reply with quote

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20696
Location: LI,NY
Quote:
"Exception data: java.lang.ClassCastException: java.util.ArrayList."
Maybe the object you're getting is not the one you expected?
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venky
PostPosted: Thu Dec 20, 2007 9:19 am    Post subject: Solved: Error Implementing an interface from Library Module. Reply with quote

Master

Joined: 08 Jul 2003
Posts: 205
The business object was supposed to be declared as an array, but since I didn't specify that it is an array and still was trying to access the BO in my code as an array by invoking the getList () method - I got this error.

Anyways, it is solved now.

Thanks, V.
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