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Posted to dev@tuscany.apache.org by "Fuhwei Lwo (JIRA)" <tu...@ws.apache.org> on 2007/05/09 02:52:15 UTC
[jira] Updated: (TUSCANY-1254) Codegen on a type inheriting from a
type in different namespace will result in mis-mapping the feature IDs
[ https://issues.apache.org/jira/browse/TUSCANY-1254?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Fuhwei Lwo updated TUSCANY-1254:
--------------------------------
Attachment: OpenTypeTest.java
open2.xsd
open.xsd
To reproduce the problem, you need to codegen open.xsd and open2.xsd before running OpenTypeTest.java. Below is the stack trace I got.
Exception in thread "main" java.lang.NullPointerException
at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eOpenGet(BasicEObjectImpl.java:641)
at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eGet(BasicEObjectImpl.java:599)
at org.apache.tuscany.sdo.impl.DataObjectImpl.get(DataObjectImpl.java:132)
at org.apache.tuscany.sdo.util.DataObjectUtil.getList(DataObjectUtil.java:173)
at org.apache.tuscany.sdo.impl.DataObjectImpl.getList(DataObjectImpl.java:995)
at org.apache.tuscany.sdo.test.OpenTypeTest.main(OpenTypeTest.java:28)
> Codegen on a type inheriting from a type in different namespace will result in mis-mapping the feature IDs
> ----------------------------------------------------------------------------------------------------------
>
> Key: TUSCANY-1254
> URL: https://issues.apache.org/jira/browse/TUSCANY-1254
> Project: Tuscany
> Issue Type: Bug
> Components: Java SDO Tools
> Affects Versions: Java-SDO-beta1
> Environment: WinXP
> Reporter: Fuhwei Lwo
> Attachments: open.xsd, open2.xsd, OpenTypeTest.java
>
>
> Based on my observation, there are two sets of feature ID were generated for the Type - 1) ID numbering from EMF 2) ID numbering for SDO. This problem occurs when the child type was codegened, its IDs for SDO were mapped to those from EMF. So when you tried to get the property using dynamic API, since the feature ID is wrong, unpredictable exception will occur. The exception can be NPE or ClassCastException depending on the characteristic of the wrong ID.
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